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links/links.h

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/* links.h
* (c) 2002 Mikulas Patocka, Karel 'Clock' Kulhavy, Petr 'Brain' Kulhavy,
* Martin 'PerM' Pergel
* This file is a part of the Links program, released under GPL.
*/
/*
* WARNING: this file MUST be C++ compatible. this means:
* no implicit conversions from void *:
* BAD: unsigned char *c = mem_alloc(4);
* GOOD: unsigned char *c = (unsigned char *)mem_alloc(4);
* no implicit char * -> unsigned char * conversions:
* BAD: unsigned char *c = stracpy("A");
* GOOD: unsigned char *c = stracpy((unsigned char *)"A");
* no implicit unsigned char * -> char * conversions:
* BAD: unsigned char *x, *y, *z; z = strcpy(x, y);
* BAD: l = strlen(x);
* GOOD: unsigned char *x, *y; z = (unsigned char *)strcpy((char *)x, (char *)y);
* GOOD: l = strlen((char *)x);
* don't use C++ keywords (like template)
* if there is struct X, you cannot use variable X or typedef X
* (this applies to typedef ip as well -- don't use it!)
*
* IF YOU WRITE ANYTHING NEW TO THIS FILE, try compiling this file in c++
* to make sure that you didn't break anything:
* g++ -DHAVE_CONFIG_H -x c++ links.h
*/
#ifndef LINKS_H
#define LINKS_H
#include "cfg.h"
#include "com-defs.h"
#define LINKS_COPYRIGHT "(C) 1999 - 2021 Mikulas Patocka\n(C) 2000 - 2021 Petr Kulhavy, Karel Kulhavy, Martin Pergel"
#define LINKS_COPYRIGHT_8859_1 "(C) 1999 - 2021 Mikul\341s Patocka\n(C) 2000 - 2021 Petr Kulhav\375, Karel Kulhav\375, Martin Pergel"
#define LINKS_COPYRIGHT_8859_2 "(C) 1999 - 2021 Mikul\341\271 Pato\350ka\n(C) 2000 - 2021 Petr Kulhav\375, Karel Kulhav\375, Martin Pergel"
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
#if ((__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))) && \
!(defined(__clang__) || defined(__llvm__) || defined(__ICC) || defined(__OPEN64__) || defined(__PATHSCALE__) || defined(__PGI) || defined(__PGIC__)) && \
defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__) && \
!(defined(__arm__) && defined(__thumb__) && !defined(__thumb2__)) /* avoid gcc bug */
#pragma GCC optimize ("-ftree-vectorize", "-ffast-math")
#endif
#endif
#include "os_dep.h"
#include <stdio.h>
#ifdef HAVE_STDLIB_H_X
#include <stdlib.h>
#endif
#include <stdarg.h>
#include <stddef.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_BSD_STRING_H
#include <bsd/string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <errno.h>
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#include <sys/types.h>
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifndef __USE_XOPEN
#define U_X
#define __USE_XOPEN
#endif
#ifndef _XOPEN_SOURCE
#define X_S
#define _XOPEN_SOURCE 5 /* The 5 is a kludge to get a strptime() prototype in NetBSD */
#endif
#ifdef TIME_WITH_SYS_TIME
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#else
#if defined(TM_IN_SYS_TIME) && defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#elif defined(HAVE_TIME_H)
#include <time.h>
#endif
#endif
#ifdef X_S
#undef _XOPEN_SOURCE
#endif
#ifdef U_X
#undef __USE_XOPEN
#endif
#include <sys/stat.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if defined(HAVE_LINUX_FALLOC_H) && !defined(FALLOC_FL_KEEP_SIZE)
#include <linux/falloc.h>
#endif
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#if defined(HAVE_DIRENT_H) || defined(__CYGWIN__)
#if defined(__CYGWIN__) && !defined(NAME_MAX)
#define NAME_MAX 255
#endif
#include <dirent.h>
#elif defined(HAVE_SYS_NDIR_H)
#include <sys/ndir.h>
#elif defined(HAVE_SYS_DIR_H)
#include <sys/dir.h>
#ifndef dirent
#define dirent direct
#endif
#elif defined(HAVE_NDIR_H)
#include <ndir.h>
#endif
#include <signal.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#ifdef HAVE_SYS_CYGWIN_H
#include <sys/cygwin.h>
#endif
#ifdef HAVE_UWIN_H
#include <uwin.h>
#endif
#ifdef HAVE_INTERIX_INTERIX_H
#include <interix/interix.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
#ifdef HAVE_PROCESS_H
#include <process.h>
#endif
#ifdef HAVE_CYGWIN_PROCESS_H
#include <cygwin/process.h>
#endif
#ifdef HAVE_CYGWIN_VERSION_H
#include <cygwin/version.h>
#endif
#ifdef HAVE_UNIXLIB_H
#include <unixlib.h>
#endif
#ifdef HAVE_SYS_UTSNAME_H
#include <sys/utsname.h>
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_GRP_H
#include <grp.h>
#endif
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
#ifdef HAVE_SEARCH_H
#include <search.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#else
#ifdef HAVE_NETINET_IN_SYSTEM_H
#include <netinet/in_system.h>
#endif
#endif
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_UTIME_H
#include <utime.h>
#endif
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#ifdef HAVE_SSL
#ifdef HAVE_OPENSSL
#if !defined(NO_SSL_CERTIFICATES) && defined(HAVE_OPENSSL_X509V3_H) && defined(HAVE_ASN1_STRING_TO_UTF8)
#define HAVE_SSL_CERTIFICATES
#endif
#if defined(OPENVMS) && defined(__VAX)
#define OPENSSL_NO_SHA512
#endif
#include <openssl/ssl.h>
#include <openssl/rand.h>
#ifdef HAVE_SSL_CERTIFICATES
#include <openssl/x509v3.h>
#endif
#include <openssl/err.h>
#include <openssl/crypto.h>
#ifdef HAVE_SSL_GET1_SESSION
#define SSL_SESSION_RESUME
#endif
#if defined(HAVE_CONFIG_VMS_H) && defined(OPENSSL_VERSION_NUMBER)
#if OPENSSL_VERSION_NUMBER >= 0x10100002L
#define HAVE_CRYPTO_SET_MEM_FUNCTIONS_2
#endif
#define HAVE_CRYPTO_SET_MEM_FUNCTIONS_1
#endif
#endif
#ifdef HAVE_NSS
#include <nss_compat_ossl/nss_compat_ossl.h>
#endif
#endif
#if defined(HAVE_CRYPTO_SET_MEM_FUNCTIONS_1) && defined(HAVE_CRYPTO_SET_MEM_FUNCTIONS_2)
#undef HAVE_CRYPTO_SET_MEM_FUNCTIONS_1
#undef HAVE_CRYPTO_SET_MEM_FUNCTIONS_2
#endif
#if defined(HAVE_CRYPTO_SET_MEM_FUNCTIONS_1) || defined(HAVE_CRYPTO_SET_MEM_FUNCTIONS_2)
#define HAVE_CRYPTO_SET_MEM_FUNCTIONS
#endif
#if defined(G)
#if defined(HAVE_PNG_H)
#define PNG_THREAD_UNSAFE_OK
#include <png.h>
#elif defined(HAVE_LIBPNG_PNG_H)
#define PNG_THREAD_UNSAFE_OK
#include <libpng/png.h>
#endif /* #if defined(HAVE_PNG_H) */
#ifndef png_jmpbuf
#define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#endif
#endif /* #if defined(G) */
#ifdef HAVE_SETJMP_H
#ifndef _SETJMP_H
#include <setjmp.h>
#endif /* _SETJMP_H */
#endif
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#elif defined(HAVE_SGTTY_H)
#include <sgtty.h>
#endif
#if defined(HAVE_POLL_H) && defined(HAVE_POLL) && !defined(INTERIX) && !defined(__HOS_AIX__)
#define USE_POLL
#include <poll.h>
#endif
#if (defined(HAVE_EVENT_H) || defined(HAVE_EV_EVENT_H)) && (defined(HAVE_LIBEVENT) || defined(HAVE_LIBEV)) && !defined(OPENVMS) && !defined(BEOS) && !defined(OPENVMS) && !defined(DOS)
#if defined(HAVE_EVENT_H)
#include <event.h>
#else
#include <ev-event.h>
#endif
#define USE_LIBEVENT
#endif
#ifdef HAVE_OPENMP
#include <omp.h>
#define SMP_ALIGN 256
#else
#define omp_get_num_threads() 1
#define omp_get_thread_num() 0
#define SMP_ALIGN 1
#endif
#if (defined(__alpha__) || defined(__alpha)) && !defined(__alpha_bwx__)
#define OPENMP_NONATOMIC 1
#else
#define OPENMP_NONATOMIC 0
#endif
#ifdef HAVE_LONG_LONG
#define longlong long long
#define ulonglong unsigned long long
#else
#define longlong double
#define ulonglong double
#endif
#if defined(__INTERIX) && defined(HAVE_STRTOQ)
extern quad_t
#if defined(__cdecl) || defined(_MSC_VER)
__cdecl
#endif
strtoq(const char *, char **, int);
#endif
#define stringify_internal_error(arg) #arg
#define stringify(arg) stringify_internal_error(arg)
#define array_elements(a) (sizeof(a) / sizeof(*a))
#include "os_depx.h"
#include "setup.h"
#define LINKS_2
#ifdef HAVE_POINTER_COMPARISON_BUG
#define DUMMY ((void *)1L)
#else
#define DUMMY ((void *)-1L)
#endif
#define cast_const_char (const char *)
#define cast_char (char *)
#define cast_uchar (unsigned char *)
/* avoid unreachable code warnings */
static inline int value_0(void)
{
return 0;
}
static inline int value_1(void)
{
return 1;
}
#if defined(C_LITTLE_ENDIAN)
#define big_endian (value_0())
#elif defined(C_BIG_ENDIAN)
#define big_endian (value_1())
#else
#define big_endian (htons(0x1234) == 0x1234)
#endif
#ifdef OPENVMS
#define RET_OK 1 /* SS$_NORMAL */
#define RET_ERROR 3586 /* SS$_LINEABRT */
#define RET_SIGNAL 2096 /* SS$_CANCEL */
#define RET_SYNTAX 20 /* SS$_BADPARAM */
#define RET_FATAL 44 /* SS$_ABORT */
#define RET_INTERNAL 44 /* SS$_ABORT */
#else
#define RET_OK 0
#define RET_ERROR 1
#define RET_SIGNAL 2
#define RET_SYNTAX 3
#define RET_FATAL 4
#define RET_INTERNAL 127
#endif
#ifndef HAVE_SNPRINTF
int my_snprintf(char *, int n, char *format, ...) PRINTF_FORMAT(3, 4);
#define snprintf my_snprintf
#endif
#ifndef HAVE_RAISE
int raise(int);
#endif
#ifndef HAVE_GETTIMEOFDAY
struct timeval {
long tv_sec;
long tv_usec;
};
struct timezone {
int tz_minuteswest;
int tz_dsttime;
};
int gettimeofday(struct timeval *tv, struct timezone *tz);
#endif
#ifndef HAVE_TEMPNAM
char *tempnam(const char *dir, const char *pfx);
#endif
#ifndef HAVE_STRDUP
char *strdup(const char *s);
#endif
#ifndef HAVE_STRTOL
long strtol(const char *, char **, int);
#endif
#ifndef HAVE_STRTOUL
unsigned long strtoul(const char *, char **, int);
#endif
#ifndef HAVE_STRTOD
double strtod(const char *nptr, char **endptr);
#endif
#ifndef HAVE_STRLEN
size_t strlen(const char *s);
#endif
#ifndef HAVE_STRCPY
char *strcpy(char *dst, const char *src);
#endif
#ifndef HAVE_STRNLEN
size_t strnlen(const char *s, size_t max);
#endif
#ifndef HAVE_STRNCPY
char *strncpy(char *dst, const char *src, size_t len);
#endif
#ifndef HAVE_STRCHR
char *strchr(const char *s, int c);
#endif
#ifndef HAVE_STRRCHR
char *strrchr(const char *s, int c);
#endif
#ifndef HAVE_STRCMP
int strcmp(const char *s1, const char *s2);
#endif
#ifndef HAVE_STRNCMP
int strncmp(const char *s1, const char *s2, size_t n);
#endif
#ifndef HAVE_STRCSPN
size_t strcspn(const char *s, const char *reject);
#endif
#ifndef HAVE_STRSPN
size_t strspn(const char *s, const char *accept);
#endif
#ifndef HAVE_STRSTR
char *strstr(const char *haystack, const char *needle);
#endif
#ifndef HAVE_MEMCHR
void *memchr(const void *s, int c, size_t length);
#endif
#ifndef HAVE_MEMRCHR
void *memrchr(const void *s, int c, size_t length);
#endif
#ifndef HAVE_MEMCMP
int memcmp(const void *, const void *, size_t);
#endif
#ifndef HAVE_MEMCPY
void *memcpy(void *, const void *, size_t);
#endif
#ifndef HAVE_MEMMOVE
void *memmove(void *, const void *, size_t);
#endif
#ifndef HAVE_MEMSET
void *memset(void *, int, size_t);
#endif
#ifndef HAVE_MEMMEM
void *memmem(const void *haystack, size_t hs, const void *needle, size_t ns);
#endif
#ifndef HAVE_STRERROR
char *strerror(int);
#endif
#define EINTRLOOPX(ret_, call_, x_) \
do { \
(ret_) = (call_); \
} while ((ret_) == (x_) && errno == EINTR)
#define EINTRLOOP(ret_, call_) EINTRLOOPX(ret_, call_, -1)
#define ENULLLOOP(ret_, call_) \
do { \
errno = 0; \
(ret_) = (call_); \
} while (!(ret_) && errno == EINTR)
#if defined(HAVE_PTHREAD_SIGMASK) && !defined(__BIONIC__)
static inline int do_sigprocmask(int how, const sigset_t *set, sigset_t *oset)
{
int r;
r = pthread_sigmask(how, set, oset);
if (r) {
errno = r;
return -1;
}
return 0;
}
#elif defined(HAVE_SIGPROCMASK)
#define do_sigprocmask sigprocmask
#else
#ifdef sigset_t
#undef sigset_t
#endif
#define sigset_t int
#ifndef SIG_BLOCK
#define SIG_BLOCK 0
#endif
#ifndef SIG_SETMASK
#define SIG_SETMASK 2
#endif
static inline int do_sigprocmask(int how, const sigset_t *set, sigset_t *oset)
{
sigset_t old = 0;
#if defined(HAVE_SIGBLOCK) && defined(HAVE_SIGSETMASK)
switch (how) {
case SIG_BLOCK:
old = sigblock(*set);
break;
case SIG_SETMASK:
old = sigsetmask(*set);
break;
}
#endif
if (oset) *oset = old;
return 0;
}
#ifdef sigdelset
#undef sigdelset
#endif
#define sigdelset(x, s) (*(x) &= ~(1 << (s)), 0)
#ifndef HAVE_SIGDELSET
#define HAVE_SIGDELSET 1
#endif
#ifdef HAVE_SIGFILLSET
#undef HAVE_SIGFILLSET
#endif
#endif
#ifdef HAVE_SIGFILLSET
static inline void sig_fill_set(sigset_t *set)
{
sigfillset(set);
}
#else
static inline void sig_fill_set(sigset_t *set)
{
memset(set, -1, sizeof(sigset_t));
}
#endif
#define option option_dirty_workaround_for_name_clash_with_include_on_cygwin
#define table table_dirty_workaround_for_name_clash_with_libraries_on_macos
#define scroll scroll_dirty_workaround_for_name_clash_with_libraries_on_macos
#define list list_dirty_workaround_for_name_clash_in_stl_with_class_list
#ifndef G
#define F 0
#else
extern int F;
#endif
#if defined(DEBUG)
#if defined(G)
#define NO_GFX do {if (F) internal_error("call to text-only function");} while (0)
#define NO_TXT do {if (!F) internal_error("call to graphics-only function");} while (0)
#else
#define NO_GFX do {} while (0)
#define NO_TXT this_should_not_be_compiled
#endif
#else
#define NO_GFX do {} while (0)
#define NO_TXT do {} while (0)
#endif
#ifndef G
#define gf_val(x, y) (x)
#define GF(x)
#else
#define gf_val(x, y) (F ? (y) : (x))
#define GF(x) if (F) {x;}
#endif
#define MAX_STR_LEN 1024
#define BIN_SEARCH(entries, eq, ab, key, result) \
{ \
int s_ = 0, e_ = (entries) - 1; \
(result) = -1; \
while (s_ <= e_) { \
int m_ = (int)(((unsigned)s_ + (unsigned)e_) / 2); \
if (eq((m_), (key))) { \
(result) = m_; \
break; \
} \
if (ab((m_), (key))) e_ = m_ - 1; \
else s_ = m_ + 1; \
} \
} \
/* error.c */
#if defined(DOS)
#define ANSI_BELL "\007"
#define ANSI_SET_BOLD ""
#define ANSI_CLEAR_BOLD ""
#else
#define ANSI_BELL "\007"
#define ANSI_SET_BOLD "\033[1m"
#define ANSI_CLEAR_BOLD "\033[0m"
#endif
#ifdef LEAK_DEBUG
extern unsigned alloc_overhead;
#else
#define alloc_overhead 0
#endif
void *do_not_optimize_here(void *p);
void init_heap(void);
void check_memory_leaks(void);
void error(const char *, ...) PRINTF_FORMAT(1, 2);
void fatal_exit(const char *, ...) PRINTF_FORMAT(1, 2) ATTR_NORETURN;
void debug_msg(const char *, ...) PRINTF_FORMAT(1, 2);
void int_error(const char *, ...) PRINTF_FORMAT(1, 2)
#ifndef NO_IE
ATTR_NORETURN
#endif
;
extern int errline;
extern unsigned char *errfile;
#define internal_error errfile = cast_uchar __FILE__, errline = __LINE__, int_error
#define debug errfile = cast_uchar __FILE__, errline = __LINE__, debug_msg
void fatal_tty_exit(void);
#ifdef __ICC
/* ICC OpenMP bug */
#define overalloc_condition 0
#else
#define overalloc_condition 1
#endif
#define overalloc_at(f, l) \
do { \
fatal_exit("ERROR: attempting to allocate too large block at %s:%d", f, l);\
} while (overalloc_condition) /* while (1) is not a typo --- it's here to allow the compiler
that doesn't know that fatal_exit doesn't return to do better
optimizations */
#define overalloc() overalloc_at(__FILE__, __LINE__)
#define overflow() \
do { \
fatal_exit("ERROR: arithmetic overflow at %s:%d", __FILE__, __LINE__);\
} while (1)
static inline int test_int_overflow(int x, int y, int *result)
{
#ifdef HAVE___BUILTIN_ADD_OVERFLOW
return __builtin_add_overflow(x, y, result);
#else
int z = *result = (int)((unsigned)(x) + (unsigned)(y));
return ~((unsigned)(x) ^ (unsigned)(y)) & ((unsigned)(x) ^ ((unsigned)(z))) & (1U << (sizeof(unsigned) * 8 - 1));
#endif
}
static inline int safe_add_function(int x, int y, unsigned char *file, int line)
{
int result;
#if !defined(HAVE___BUILTIN_ADD_OVERFLOW) && defined(HAVE_GCC_ASSEMBLER) && (defined(__i386__) || defined(__x86_64__))
unsigned char ovf;
__asm__ ("addl %2, %0; seto %1":"=r"(result),
#if defined(__PATHSCALE__) || defined(__OPEN64__)
"=q" /* a bug in the PathScale and Open64 compiler */
#else
"=qm"
#endif
(ovf):"g"(y),"0"(x));
if (ovf)
fatal_exit("ERROR: arithmetic overflow at %s:%d: %d + %d", file, line, (x), (y));
return result;
#endif
if (test_int_overflow(x, y, &result))
fatal_exit("ERROR: arithmetic overflow at %s:%d: %d + %d", file, line, (x), (y));
return result;
}
#define safe_add(x, y) safe_add_function(x, y, (unsigned char *)__FILE__, __LINE__)
#ifdef HAVE_GCC_ASSEMBLER
static inline void *memory_barrier(void *p)
{
void *o;
__asm__ volatile("" : "=r"(o) : "0"(p) : "memory");
return o;
}
#else
#define memory_barrier(p) do_not_optimize_here(p)
#endif
#ifdef LEAK_DEBUG
extern my_uintptr_t mem_amount;
extern my_uintptr_t mem_blocks;
#endif
#ifdef LEAK_DEBUG
void *debug_mem_alloc(unsigned char *, int, size_t, int);
void *debug_mem_calloc(unsigned char *, int, size_t, int);
void debug_mem_free(unsigned char *, int, void *);
void *debug_mem_realloc(unsigned char *, int, void *, size_t, int);
void set_mem_comment(void *, unsigned char *, int);
unsigned char *get_mem_comment(void *);
#define mem_alloc(x) debug_mem_alloc((unsigned char *)__FILE__, __LINE__, x, 0)
#define mem_calloc(x) debug_mem_calloc((unsigned char *)__FILE__, __LINE__, x, 0)
#define mem_free(x) debug_mem_free((unsigned char *)__FILE__, __LINE__, x)
#define mem_realloc(x, y) debug_mem_realloc((unsigned char *)__FILE__, __LINE__, x, y, 0)
#define mem_alloc_mayfail(x) debug_mem_alloc((unsigned char *)__FILE__, __LINE__, x, 1)
#define mem_calloc_mayfail(x) debug_mem_calloc((unsigned char *)__FILE__, __LINE__, x, 1)
#define mem_realloc_mayfail(x, y) debug_mem_realloc((unsigned char *)__FILE__, __LINE__, x, y, 1)
#else
void *mem_alloc_(size_t size, int mayfail);
void *mem_calloc_(size_t size, int mayfail);
void mem_free(void *p);
void *mem_realloc_(void *p, size_t size, int mayfail);
#define mem_alloc(x) mem_alloc_(x, 0)
#define mem_calloc(x) mem_calloc_(x, 0)
#define mem_realloc(x, y) mem_realloc_(x, y, 0)
#define mem_alloc_mayfail(x) mem_alloc_(x, 1)
#define mem_calloc_mayfail(x) mem_calloc_(x, 1)
#define mem_realloc_mayfail(x, y) mem_realloc_(x, y, 1)
static inline void *debug_mem_alloc(unsigned char *f, int l, size_t s, int mayfail) { return mem_alloc_(s, mayfail); }
static inline void *debug_mem_calloc(unsigned char *f, int l, size_t s, int mayfail) { return mem_calloc_(s, mayfail); }
static inline void debug_mem_free(unsigned char *f, int l, void *p) { mem_free(p); }
static inline void *debug_mem_realloc(unsigned char *f, int l, void *p, size_t s, int mayfail) { return mem_realloc_(p, s, mayfail); }
static inline void set_mem_comment(void *p, unsigned char *c, int l) {}
static inline unsigned char *get_mem_comment(void *p){return (unsigned char *)"";}
#endif
#if !(defined(LEAK_DEBUG) && defined(LEAK_DEBUG_LIST))
unsigned char *memacpy(const unsigned char *src, size_t len);
unsigned char *stracpy(const unsigned char *src);
#else
unsigned char *debug_memacpy(unsigned char *f, int l, const unsigned char *src, size_t len);
#define memacpy(s, l) debug_memacpy((unsigned char *)__FILE__, __LINE__, s, l)
unsigned char *debug_stracpy(unsigned char *f, int l, const unsigned char *src);
#define stracpy(s) debug_stracpy((unsigned char *)__FILE__, __LINE__, s)
#endif
#if defined(LEAK_DEBUG) && defined(LEAK_DEBUG_LIST)
#define GTM_MOST_ALLOCATED 0
#define GTM_LARGEST_BLOCKS 1
unsigned char *get_top_memory(int mode, unsigned n);
#endif
#if !defined(HAVE_SIGSETJMP) || !defined(HAVE_SETJMP_H)
#ifdef OOPS
#undef OOPS
#endif
#endif
#ifndef OOPS
#define pr(code) if (1) {code;} else
static inline void nopr(void) {}
static inline void xpr(void) {}
#else
sigjmp_buf *new_stack_frame(void);
void xpr(void);
#define pr(code) if (!sigsetjmp(*new_stack_frame(), 1)) {do {code;} while (0); xpr();} else
void nopr(void);
#endif
/* inline */
#define ALLOC_GR 0x040 /* must be power of 2 */
#define get_struct_(ptr, struc, entry) ((struc *)((char *)(ptr) - offsetof(struc, entry)))
#define get_struct(ptr, struc, entry) ((void)(&get_struct_(ptr, struc, entry)->entry == (ptr)), get_struct_(ptr, struc, entry))
struct list_head {
struct list_head *next;
struct list_head *prev;
};
#ifdef DEBUG
static inline void corrupted_list_entry(unsigned char *file, int line, const char *msg, struct list_head *l, struct list_head *a)
{
errfile = file;
errline = line;
int_error("%s %p, %p, %p, %p, %p, %p", msg, l, l->next, l->prev, l->next->prev, l->prev->next, a);
}
#define verify_list_entry(e) ((e)->next->prev != (e) || (e)->prev->next != (e) ? corrupted_list_entry(cast_uchar __FILE__, __LINE__, "corrupted link pointers", e, NULL) : (void)0)
#define verify_double_add(l, e) ((l) == (e) || (l)->next == (e) || (l)->prev == (e) ? corrupted_list_entry(cast_uchar __FILE__, __LINE__, "double add", l, e) : (void)0)
#else
#define verify_list_entry(e) ((void)0)
#define verify_double_add(l, e) ((void)0)
#endif
#define list_struct(ptr, struc) get_struct(ptr, struc, list_entry)
#define init_list(x) do { (x).next = &(x); (x).prev = &(x); } while (0)
#define list_empty(x) (verify_list_entry(&x), (x).next == &(x))
#define del_list_entry(x) do { verify_list_entry(x); (x)->next->prev = (x)->prev; (x)->prev->next = (x)->next; (x)->prev = (x)->next = NULL; } while (0)
#define del_from_list(x) del_list_entry(&(x)->list_entry)
#define add_after_list_entry(p, x) do { verify_double_add(p, x); verify_list_entry(p); (x)->next = (p)->next; (x)->prev = (p); (p)->next = (x); (x)->next->prev = (x); } while (0)
#define add_before_list_entry(p, x) do { verify_double_add(p, x); verify_list_entry(p); (x)->prev = (p)->prev; (x)->next = (p); (p)->prev = (x); (x)->prev->next = (x); } while (0)
#define add_to_list(l, x) add_after_list_entry(&(l), &(x)->list_entry)
#define add_to_list_end(l, x) add_before_list_entry(&(l), &(x)->list_entry)
#define add_after_pos(p, x) add_after_list_entry(&(p)->list_entry, &(x)->list_entry)
#define add_before_pos(p, x) add_before_list_entry(&(p)->list_entry, &(x)->list_entry)
#define fix_list_after_realloc(x) do { (x)->list_entry.prev->next = &(x)->list_entry; (x)->list_entry.next->prev = &(x)->list_entry; } while (0)
#define foreachfrom(struc, e, h, l, s) for ((h) = (s); verify_list_entry(h), (h) == &(l) ? 0 : ((e) = list_struct(h, struc), 1); (h) = (h)->next)
#define foreach(struc, e, h, l) foreachfrom(struc, e, h, l, (l).next)
#define foreachbackfrom(struc, e, h, l, s) for ((h) = (s); verify_list_entry(h), (h) == &(l) ? 0 : ((e) = list_struct(h, struc), 1); (h) = (h)->prev)
#define foreachback(struc, e, h, l) foreachbackfrom(struc, e, h, l, (l).prev)
#define free_list(struc, l) do { while (!list_empty(l)) { struc *a__ = list_struct((l).next, struc); del_from_list(a__); mem_free(a__); } } while (0)
static inline unsigned long list_size(struct list_head *l)
{
struct list_head *e;
unsigned long n = 0;
for (e = l->next; e != l; e = e->next) n++;
return n;
}
#ifdef DEBUG
#define REORDER_LIST_ENTRIES
#endif
#ifndef REORDER_LIST_ENTRIES
#define list_entry_1st struct list_head list_entry;
#define list_entry_last
#define init_list_1st(x) { (x), (x) },
#define init_list_last(x)
#else
#define list_entry_1st
#define list_entry_last struct list_head list_entry;
#define init_list_1st(x)
#define init_list_last(x) { (x), (x) },
#endif
#define WHITECHAR(x) ((x) == 9 || (x) == 10 || (x) == 12 || (x) == 13 || (x) == ' ')
#define U(x) ((x) == '"' || (x) == '\'')
#define CI_BYTES 1
#define CI_FILES 2
#define CI_LOCKED 3
#define CI_LOADING 4
#define CI_TIMERS 5
#define CI_TRANSFER 6
#define CI_CONNECTING 7
#define CI_KEEP 8
/* string.c */
int snprint(unsigned char *s, int n, my_uintptr_t num);
int snzprint(unsigned char *s, int n, off_t num);
void add_to_strn(unsigned char **s, unsigned char *a);
void extend_str(unsigned char **s, int n);
#define init_str() init_str_x((unsigned char *)__FILE__, __LINE__)
static inline unsigned char *init_str_x(unsigned char *file, int line)
{
unsigned char *p;
p=(unsigned char *)debug_mem_calloc(file, line, 1L, 0);
return p;
}
void add_bytes_to_str(unsigned char **s, int *l, unsigned char *a, size_t ll);
void add_to_str(unsigned char **s, int *l, unsigned char *a);
void add_chr_to_str(unsigned char **s, int *l, unsigned char a);
void add_unsigned_num_to_str(unsigned char **s, int *l, off_t n);
void add_unsigned_long_num_to_str(unsigned char **s, int *l, my_uintptr_t n);
void add_num_to_str(unsigned char **s, int *l, off_t n);
void add_knum_to_str(unsigned char **s, int *l, off_t n);
long strtolx(unsigned char *c, unsigned char **end);
#if defined(HAVE_STRTOLL) || defined(HAVE_STRTOQ) || defined(HAVE_STRTOIMAX)
#define my_strtoll_t longlong
#else
#define my_strtoll_t long
#endif
my_strtoll_t my_strtoll(unsigned char *string, unsigned char **end);
void safe_strncpy(unsigned char *dst, const unsigned char *src, size_t dst_size);
#ifdef JS
void skip_nonprintable(unsigned char *txt);
#endif
/* case insensitive compare of 2 strings */
/* comparison ends after len (or less) characters */
/* return value: 1=strings differ, 0=strings are same */
static inline unsigned upcase(unsigned a)
{
if (a >= 'a' && a <= 'z') a -= 0x20;
return a;
}
static inline unsigned locase(unsigned a)
{
if (a >= 'A' && a <= 'Z') a += 0x20;
return a;
}
static inline int srch_cmp(unsigned char c1, unsigned char c2)
{
return upcase(c1) != upcase(c2);
}
int casestrcmp(const unsigned char *s1, const unsigned char *s2);
int casecmp(const unsigned char *c1, const unsigned char *c2, size_t len);
int casestrstr(const unsigned char *h, const unsigned char *n);
unsigned hash_string(unsigned char *s);
static inline int xstrcmp(const unsigned char *s1, const unsigned char *s2)
{
if (!s1 && !s2) return 0;
if (!s1) return -1;
if (!s2) return 1;
return strcmp(cast_const_char s1, cast_const_char s2);
}
static inline int cmpbeg(const unsigned char *str, const unsigned char *b)
{
while (*str && upcase(*str) == upcase(*b)) str++, b++;
return !!*b;
}
/* os_dep.c */
#ifdef HAVE_LONG_LONG
typedef unsigned long long uttime;
typedef unsigned long long tcount;
#else
typedef unsigned long uttime;
typedef unsigned long tcount;
#endif
extern int page_size;
#if defined(HAVE_GPM_H) && defined(HAVE_LIBGPM)
#define USE_GPM
#endif
#if defined(OS2) && defined(HAVE_UMALLOC_H) && defined(HAVE__MSIZE) && defined(HAVE__UCREATE) && defined(HAVE__UOPEN) && defined(HAVE__UDEFAULT) && defined(HAVE_BEGINTHREAD)
#define OS2_ADVANCED_HEAP
void *virtual_alloc(size_t len);
void virtual_free(void *ptr, size_t len);
void *os2_orig_malloc(size_t len);
#define MEMORY_BIGALLOC
extern unsigned long mem_bigalloc;
extern unsigned long blocks_bigalloc;
#define MEMORY_REQUESTED
extern unsigned long mem_requested;
extern unsigned long blocks_requested;
#endif
#ifdef OPENVMS
#define VMS_ADVANCED_HEAP
void *virtual_alloc(size_t len);
void virtual_free(void *ptr, size_t len);
#define MEMORY_BIGALLOC
extern unsigned long mem_bigalloc;
extern unsigned long blocks_bigalloc;
#endif
struct terminal;
struct open_in_new {
unsigned char *text;
unsigned char *hk;
int (* const *open_window_fn)(struct terminal *, unsigned char *, unsigned char *);
};
void close_fork_tty(void);
int get_system_env(void);
int is_twterm(void);
int is_screen(void);
int is_xterm(void);
void get_terminal_size(int *, int *);
void handle_terminal_resize(void (*)(int, int), int *x, int *y);
void unhandle_terminal_resize(void);
void set_nonblock(int);
int c_pipe(int [2]);
int c_dup(int oh);
int c_socket(int, int, int);
int c_accept(int, struct sockaddr *, socklen_t *);
int c_open(unsigned char *, int);
int c_open3(unsigned char *, int, int);
DIR *c_opendir(unsigned char *);
#ifdef HAVE_OPEN_PREALLOC
int open_prealloc(unsigned char *, int, int, off_t);
#endif
int get_input_handle(void);
int get_output_handle(void);
int get_ctl_handle(void);
#ifdef OS_SETRAW
int setraw(int ctl, int save);
void setcooked(int ctl);
#endif
void want_draw(void);
void done_draw(void);
void terminate_osdep(void);
void save_gpm_signals(void);
void restore_gpm_signals(void);
void *handle_mouse(int, void (*)(void *, unsigned char *, int), void *);
void unhandle_mouse(void *);
void add_gpm_version(unsigned char **s, int *l);
#ifdef OPENVMS
extern int vms_thread_high_priority;
#endif
int start_thread(void (*)(void *, int), void *, int, int);
unsigned char *get_clipboard_text(struct terminal *);
void set_clipboard_text(struct terminal *, unsigned char *);
int clipboard_support(struct terminal *);
int is_winnt(void);
int get_windows_cp(int cons);
void set_window_title(unsigned char *);
unsigned char *get_window_title(void);
int is_safe_in_shell(unsigned char);
unsigned char *escape_path(unsigned char *);
void check_shell_security(unsigned char **);
void check_filename(unsigned char **);
int check_shell_url(unsigned char *);
void do_signal(int sig, void (*handler)(int));
uttime get_time(void);
time_t get_absolute_seconds(void);
uttime get_absolute_time(void);
void ignore_signals(void);
void block_stdin(void);
void unblock_stdin(void);
void init_page_size(void);
void init_os(void);
void init_os_terminal(void);
void get_path_to_exe(void);
int os_get_system_name(unsigned char *buffer);
#ifdef WIN
void translate_win32_to_unix(unsigned char **str);
#endif
unsigned char *os_conv_to_external_path(unsigned char *, unsigned char *);
unsigned char *os_fixup_external_program(unsigned char *);
int exe(unsigned char *, int);
#ifdef WIN
int exe_on_background(unsigned char *, unsigned char *, int);
int windows_charset(void);
#define HAVE_EXE_ON_BACKGROUND
#endif
int resize_window(int, int);
int can_resize_window(struct terminal *);
int can_open_os_shell(int);
unsigned char *links_xterm(void);
struct open_in_new *get_open_in_new(int);
void set_highpri(void);
#if defined(OPENVMS) && defined(GRDRV_X)
int vms_x11_fd(int ef);
#endif
void os_free_clipboard(void);
void os_seed_random(unsigned char **pool, int *pool_size);
int os_send_fg_cookie(int);
int os_receive_fg_cookie(int);
extern int need_detach_console;
void os_detach_console(void);
static inline void test_detach_console(void)
{
if (need_detach_console) {
need_detach_console = 0;
os_detach_console();
}
}
int os_default_language(void);
int os_default_charset(void);
void save_terminal(void);
void restore_terminal(void);
#ifdef WIN
#define OS_REPORT_ERROR_BUFFER 8192
#else
#define OS_REPORT_ERROR_BUFFER 4096
#endif
void os_report_error_va(const char *caption, const char *msg, va_list l);
void os_report_error(const char *caption, const char *msg, ...);
/* memory.c */
#define SH_CHECK_QUOTA 0
#define SH_FREE_SOMETHING 1
#define SH_FREE_ALL 2
#define ST_SOMETHING_FREED 1
#define ST_CACHE_EMPTY 2
#define MF_GPI 1
void heap_trim(void);
int shrink_memory(int, int);
void register_cache_upcall(int (*)(int), int, unsigned char *);
void free_all_caches(void);
extern int malloc_try_hard;
int out_of_memory_fl(int flags, unsigned char *msg, size_t size, unsigned char *file, int line);
#define out_of_memory(flags, msg, size) out_of_memory_fl(flags, msg, size, (unsigned char *)__FILE__, __LINE__)
#ifndef DEBUG_TEST_FREE
#define debug_test_free(file, line)
#else
void debug_test_free(unsigned char *file, int line);
#endif
/* select.c */
#ifndef FD_SETSIZE
#define FD_SETSIZE (sizeof(fd_set) * 8)
#endif
#define NBIT(p) (sizeof((p)->fds_bits[0]) * 8)
#ifndef FD_SET
#define FD_SET(n, p) ((p)->fds_bits[(n)/NBIT(p)] |= (1 << ((n) % NBIT(p))))
#endif
#ifndef FD_CLR
#define FD_CLR(n, p) ((p)->fds_bits[(n)/NBIT(p)] &= ~(1 << ((n) % NBIT(p))))
#endif
#ifndef FD_ISSET
#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NBIT(p)] & (1 << ((n) % NBIT(p))))
#endif
#ifndef FD_ZERO
#define FD_ZERO(p) memset((void *)(p), 0, sizeof(*(p)))
#endif
extern int terminate_loop;
void portable_sleep(unsigned msec);
int can_write(int fd);
int can_read(int fd);
int can_read_timeout(int fd, int sec);
int close_std_handle(int);
void restore_std_handle(int, int);
unsigned long select_info(int);
void reinit_child(void);
void select_loop(void (*)(void));
void terminate_select(void);
void register_bottom_half(void (*)(void *), void *);
void unregister_bottom_half(void (*)(void *), void *);
void check_bottom_halves(void);
void add_event_string(unsigned char **, int *, struct terminal *);
struct timer;
struct timer *install_timer(uttime, void (*)(void *), void *);
void kill_timer(struct timer *);
int verify_handle(int);
#define H_READ 0
#define H_WRITE 1
void (*get_handler(int, int))(void *);
void *get_handler_data(int);
extern unsigned char *sh_file;
extern int sh_line;
void set_handlers_file_line(int, void (*)(void *), void (*)(void *), void *);
#define set_handlers(a, b, c, d) (sh_file = (unsigned char *)__FILE__, sh_line = __LINE__, set_handlers_file_line(a, b, c, d))
void clear_events(int, int);
extern int signal_pipe[2];
void install_signal_handler(int, void (*)(void *), void *, int);
void interruptible_signal(int sig, int in);
void block_signals(int except1, int except2);
void unblock_signals(void);
void set_sigcld(void);
#ifdef HAVE_OPENMP
int omp_start(void);
void omp_end(void);
#else
#define omp_start() 1
#define omp_end() do { } while (0)
#endif
/* dns.c */
#define MAX_ADDRESSES 64
struct host_address {
int af;
unsigned char addr[16];
unsigned scope_id;
};
struct lookup_result {
int n;
struct host_address a[MAX_ADDRESSES];
};
struct lookup_state {
struct lookup_result addr;
int addr_index;
int dont_try_more_servers;
int socks_port;
int target_port;
};
struct dnsquery_doh;
struct dnsquery {
#ifndef THREAD_SAFE_LOOKUP
struct dnsquery *next_in_queue;
#endif
void (*fn)(void *, int);
void *data;
int h;
void **s;
struct dnsquery_doh *doh;
struct lookup_result *addr;
int addr_preference;
unsigned char name[1];
};
#ifdef SUPPORT_IPV6
extern int support_ipv6;
#else
#define support_ipv6 0
#endif
int numeric_ip_address(unsigned char *name, unsigned char address[4]);
#ifdef SUPPORT_IPV6
int numeric_ipv6_address(unsigned char *name, unsigned char address[16], unsigned *scope_id);
#endif
void add_address(struct lookup_result *host, int af, unsigned char *address, unsigned scope_id, int preference);
void rotate_addresses(struct lookup_result *);
void do_real_lookup(unsigned char *, int, struct lookup_result *);
void end_dns_lookup(struct dnsquery *, int, uttime);
void find_host_no_cache(unsigned char *, int, struct lookup_result *, void **, void (*)(void *, int), void *);
int find_host_in_cache(unsigned char *, struct lookup_result *, void **, void (*)(void *, int), void *);
void kill_dns_request(void **);
void dns_prefetch(unsigned char *);
void dns_set_priority(unsigned char *, struct host_address *, int);
void dns_clear_host(unsigned char *);
unsigned long dns_info(int type);
unsigned char *print_address(struct host_address *);
int ipv6_full_access(void);
void init_dns(void);
/* doh.c */
void do_doh_lookup(struct dnsquery *);
/* cache.c */
struct cache_entry {
list_entry_1st
unsigned char *head;
int http_code;
unsigned char *redirect;
off_t length;
off_t max_length;
int incomplete;
int tgc;
unsigned char *last_modified;
time_t expire_time; /* 0 never, 1 always */
off_t data_size;
struct list_head frag; /* struct fragment */
tcount count;
tcount count2;
int refcount;
unsigned char *decompressed;
size_t decompressed_len;
unsigned char *ip_address;
#ifdef HAVE_SSL
unsigned char *ssl_info;
unsigned char *ssl_authority;
#endif
list_entry_last
unsigned char url[1];
};
struct fragment {
list_entry_1st
off_t offset;
off_t length;
off_t real_length;
list_entry_last
unsigned char data[1];
};
struct connection;
void init_cache(void);
my_uintptr_t cache_info(int);
my_uintptr_t decompress_info(int);
int find_in_cache(unsigned char *, struct cache_entry **);
int get_connection_cache_entry(struct connection *);
int new_cache_entry(unsigned char *, struct cache_entry **);
void detach_cache_entry(struct cache_entry *);
int add_fragment(struct cache_entry *, off_t, const unsigned char *, off_t);
int defrag_entry(struct cache_entry *);
void truncate_entry(struct cache_entry *, off_t, int);
void free_entry_to(struct cache_entry *, off_t);
void delete_entry_content(struct cache_entry *);
void trim_cache_entry(struct cache_entry *e);
void delete_cache_entry(struct cache_entry *e);
void finish_cache_entry(struct cache_entry *e);
/* sched.c */
#ifdef HAVE_SSL
typedef struct {
SSL *ssl;
SSL_CTX *ctx;
tcount bytes_read;
tcount bytes_written;
int session_set;
int session_retrieved;
unsigned char *ca;
} links_ssl;
#endif
#define PRI_DOH 0
#define PRI_MAIN 0
#define PRI_DOWNLOAD 0
#define PRI_FRAME 1
#define PRI_NEED_IMG 2
#define PRI_IMG 3
#define PRI_PRELOAD 4
#define PRI_CANCEL 5
#define N_PRI 6
struct remaining_info {
int valid;
off_t size, loaded, last_loaded, cur_loaded;
off_t pos;
uttime elapsed;
uttime last_time;
uttime dis_b;
off_t data_in_secs[CURRENT_SPD_SEC];
struct timer *timer;
};
struct conn_info;
struct connection {
list_entry_1st
tcount count;
unsigned char *url;
unsigned char *prev_url; /* allocated string with referrer or NULL */
int running;
int state;
int prev_error;
off_t from;
int pri[N_PRI];
int no_cache;
int sock1;
int sock2;
void *dnsquery;
pid_t pid;
int tries;
int keepalive;
tcount netcfg_stamp;
struct list_head statuss;
void *info;
void *buffer;
struct conn_info *newconn;
void (*conn_func)(void *);
struct cache_entry *cache;
off_t received;
off_t est_length;
int unrestartable;
int no_compress;
int doh;
struct remaining_info prg;
struct timer *timer;
int detached;
unsigned char socks_proxy[MAX_STR_LEN];
unsigned char dns_append[MAX_STR_LEN];
struct lookup_state last_lookup_state;
#ifdef HAVE_SSL
links_ssl *ssl;
int no_ssl_session;
int no_tls;
#endif
list_entry_last
};
extern tcount netcfg_stamp;
extern struct list_head queue;
struct k_conn {
list_entry_1st
void (*protocol)(struct connection *);
unsigned char *host;
int port;
int conn;
uttime timeout;
uttime add_time;
int protocol_data;
#ifdef HAVE_SSL
links_ssl *ssl;
#endif
struct lookup_state last_lookup_state;
list_entry_last
};
extern struct list_head keepalive_connections;
#define NC_ALWAYS_CACHE 0
#define NC_CACHE 1
#define NC_IF_MOD 2
#define NC_RELOAD 3
#define NC_PR_NO_CACHE 4
#define S_WAIT 0
#define S_DNS 1
#define S_CONN 2
#define S_CONN_ANOTHER 3
#define S_SOCKS_NEG 4
#define S_SSL_NEG 5
#define S_SENT 6
#define S_LOGIN 7
#define S_GETH 8
#define S_PROC 9
#define S_TRANS 10
#define S__OK (-2000000000)
#define S_INTERRUPTED (-2000000001)
#define S_INTERNAL (-2000000002)
#define S_OUT_OF_MEM (-2000000003)
#define S_NO_DNS (-2000000004)
#define S_NO_PROXY_DNS (-2000000005)
#define S_CANT_WRITE (-2000000006)
#define S_CANT_READ (-2000000007)
#define S_MODIFIED (-2000000008)
#define S_BAD_URL (-2000000009)
#define S_BAD_PROXY (-2000000010)
#define S_TIMEOUT (-2000000011)
#define S_RESTART (-2000000012)
#define S_STATE (-2000000013)
#define S_CYCLIC_REDIRECT (-2000000014)
#define S_LARGE_FILE (-2000000015)
#define S_BLOCKED_URL (-2000000016)
#define S_SMB_NOT_ALLOWED (-2000000017)
#define S_FILE_NOT_ALLOWED (-2000000018)
#define S_NO_PROXY (-2000000019)
#define S_HTTP_ERROR (-2000000100)
#define S_HTTP_100 (-2000000101)
#define S_HTTP_204 (-2000000102)
#define S_HTTPS_FWD_ERROR (-2000000103)
#define S_INVALID_CERTIFICATE (-2000000104)
#define S_DOWNGRADED_METHOD (-2000000105)
#define S_INSECURE_CIPHER (-2000000106)
#define S_FILE_TYPE (-2000000200)
#define S_FILE_ERROR (-2000000201)
#define S_FTP_ERROR (-2000000300)
#define S_FTP_UNAVAIL (-2000000301)
#define S_FTP_LOGIN (-2000000302)
#define S_FTP_PORT (-2000000303)
#define S_FTP_NO_FILE (-2000000304)
#define S_FTP_FILE_ERROR (-2000000305)
#define S_SSL_ERROR (-2000000400)
#define S_NO_SSL (-2000000401)
#define S_BAD_SOCKS_VERSION (-2000000500)
#define S_SOCKS_REJECTED (-2000000501)
#define S_SOCKS_NO_IDENTD (-2000000502)
#define S_SOCKS_BAD_USERID (-2000000503)
#define S_SOCKS_UNKNOWN_ERROR (-2000000504)
#define S_NO_SMB_CLIENT (-2000000600)
#define S_WAIT_REDIR (-2000000700)
#define S_UNKNOWN_ERROR (-2000000800)
#define S_MAX (-2000000900)
struct status {
list_entry_1st
struct connection *c;
struct cache_entry *ce;
int state;
int prev_error;
int pri;
void (*end)(struct status *, void *);
void *data;
struct remaining_info *prg;
list_entry_last
};
int is_noproxy_host(unsigned char *host);
int is_noproxy_url(unsigned char *url);
unsigned char *get_proxy_string(unsigned char *url);
unsigned char *get_proxy(unsigned char *url);
int is_proxy_url(unsigned char *url);
unsigned char *remove_proxy_prefix(unsigned char *url);
int get_allow_flags(unsigned char *url);
int disallow_url(unsigned char *url, int allow_flags);
void check_queue(void *dummy);
unsigned long connect_info(int);
void setcstate(struct connection *c, int);
int get_keepalive_socket(struct connection *c, int *protocol_data);
void add_keepalive_socket(struct connection *c, uttime timeout, int protocol_data);
int is_connection_restartable(struct connection *c);
int is_last_try(struct connection *c);
void retry_connection(struct connection *c);
void abort_connection(struct connection *c);
#define ALLOW_SMB 1
#define ALLOW_FILE 2
#define ALLOW_ALL (ALLOW_SMB | ALLOW_FILE)
void load_url(unsigned char *, unsigned char *, struct status *, int, int, int, int, int, off_t);
void change_connection(struct status *, struct status *, int);
void detach_connection(struct status *, off_t, int, int);
void abort_all_connections(void);
int abort_background_connections(void);
int is_entry_used(struct cache_entry *);
void clear_connection_timeout(struct connection *);
void set_connection_timeout(struct connection *);
void set_connection_timeout_keepal(struct connection *);
void add_blacklist_entry(unsigned char *, int);
void del_blacklist_entry(unsigned char *, int);
int get_blacklist_flags(unsigned char *);
void free_blacklist(void);
#define BL_HTTP10 0x001
#define BL_NO_ACCEPT_LANGUAGE 0x002
#define BL_NO_CHARSET 0x004
#define BL_NO_RANGE 0x008
#define BL_NO_COMPRESSION 0x010
#define BL_NO_BZIP2 0x020
#define BL_IGNORE_CERTIFICATE 0x040
#define BL_IGNORE_DOWNGRADE 0x080
#define BL_IGNORE_CIPHER 0x100
#define BL_AVOID_INSECURE 0x200
/* suffix.c */
int is_tld(unsigned char *name);
int allow_cookie_domain(unsigned char *server, unsigned char *domain);
/* url.c */
struct session;
#define POST_CHAR 1
#define POST_CHAR_STRING "\001"
static inline int end_of_dir(unsigned char *url, unsigned char c)
{
return c == POST_CHAR || c == '#' || ((c == ';' || c == '?') && (!url || !casecmp(url, (unsigned char *)"http", 4)));
}
int parse_url(unsigned char *, int *, unsigned char **, int *, unsigned char **, int *, unsigned char **, int *, unsigned char **, int *, unsigned char **, int *, unsigned char **);
unsigned char *get_protocol_name(unsigned char *);
unsigned char *get_host_name(unsigned char *);
unsigned char *get_keepalive_id(unsigned char *);
unsigned char *get_user_name(unsigned char *);
unsigned char *get_pass(unsigned char *);
int get_port(unsigned char *);
unsigned char *get_port_str(unsigned char *);
void (*get_protocol_handle(unsigned char *))(struct connection *);
void (*get_external_protocol_function(unsigned char *))(struct session *, unsigned char *);
int url_bypasses_socks(unsigned char *);
unsigned char *get_url_data(unsigned char *);
int url_non_ascii(unsigned char *url);
unsigned char *join_urls(unsigned char *, unsigned char *);
unsigned char *translate_url(unsigned char *, unsigned char *);
unsigned char *extract_position(unsigned char *);
int url_not_saveable(unsigned char *);
void add_conv_str(unsigned char **s, int *l, unsigned char *b, int ll, int encode_special);
void convert_file_charset(unsigned char **s, int *l, int start_l);
unsigned char *idn_encode_host(unsigned char *host, int len, unsigned char *separator, int decode);
unsigned char *idn_encode_url(unsigned char *url, int decode);
unsigned char *display_url(struct terminal *term, unsigned char *url, int warn_idn);
unsigned char *display_host(struct terminal *term, unsigned char *host);
unsigned char *display_host_list(struct terminal *term, unsigned char *host);
/* connect.c */
struct read_buffer {
int sock;
int len;
int close;
void (*done)(struct connection *, struct read_buffer *);
unsigned char data[1];
};
#ifdef HAVE_SSL
void clear_ssl_errors(int line);
#endif
int socket_and_bind(int pf, unsigned char *address);
void close_socket(int *);
void make_connection(struct connection *, int, int *, void (*)(struct connection *));
void retry_connect(struct connection *, int, int);
void continue_connection(struct connection *, int *, void (*)(struct connection *));
int is_ipv6(int);
int get_pasv_socket(struct connection *, int, int *, unsigned char *);
#ifdef SUPPORT_IPV6
int get_pasv_socket_ipv6(struct connection *, int, int *, unsigned char *);
#endif
void write_to_socket(struct connection *, int, unsigned char *, int, void (*)(struct connection *));
struct read_buffer *alloc_read_buffer(struct connection *c);
void read_from_socket(struct connection *, int, struct read_buffer *, void (*)(struct connection *, struct read_buffer *));
void kill_buffer_data(struct read_buffer *, int);
/* cookies.c */
struct cookie {
list_entry_1st
unsigned char *name, *value;
unsigned char *server;
unsigned char *path, *domain;
time_t created;
time_t expires; /* zero means undefined */
int secure;
int saved_cookie;
list_entry_last
};
struct c_domain {
list_entry_1st
#ifdef REORDER_LIST_ENTRIES
unsigned char pad;
#endif
list_entry_last
unsigned char domain[1];
};
extern struct list_head all_cookies;
extern struct list_head c_domains;
void set_cookie(unsigned char *, unsigned char *);
void add_cookies(unsigned char **, int *, unsigned char *);
void clear_cookies_file(void);
void do_save_cookies(void);
void init_cookies(void);
unsigned long free_cookies(void);
int is_in_domain(unsigned char *d, unsigned char *s);
int is_path_prefix(unsigned char *d, unsigned char *s);
int cookie_expired(struct cookie *c, time_t now);
void free_cookie(struct cookie *c);
/* auth.c */
unsigned char *base64_encode(unsigned char *in, int inlen, unsigned char *prefix, unsigned char *suffix, int line_bits);
unsigned char *get_auth_realm(unsigned char *url, unsigned char *head, int proxy);
unsigned char *get_auth_string(unsigned char *url, int proxy);
void free_auth(void);
void add_auth(unsigned char *url, unsigned char *realm, unsigned char *user, unsigned char *password, int proxy);
int find_auth(unsigned char *url, unsigned char *realm);
/* http.c */
int get_http_code(unsigned char *head, int *code, int *version);
unsigned char *parse_http_header(unsigned char *, unsigned char *, unsigned char **);
unsigned char *parse_header_param(unsigned char *, unsigned char *, int);
time_t parse_http_date(unsigned char *);
unsigned char *print_http_date(time_t);
void http_func(struct connection *);
void proxy_func(struct connection *);
/* https.c */
void https_func(struct connection *c);
#ifdef HAVE_SSL
extern int ssl_asked_for_password;
void ssl_finish(void);
links_ssl *getSSL(void);
void freeSSL(links_ssl *);
#ifdef HAVE_SSL_CERTIFICATES
int verify_ssl_certificate(links_ssl *ssl, unsigned char *host);
int verify_ssl_cipher(links_ssl *ssl);
#define HAVE_BUILTIN_SSL_CERTIFICATES
#endif
int ssl_not_reusable(links_ssl *ssl);
unsigned char *get_cipher_string(links_ssl *ssl);
#endif
#if defined(HAVE_SSL) && defined(SSL_SESSION_RESUME)
SSL_SESSION *get_session_cache_entry(SSL_CTX *ctx, unsigned char *host, int port);
void retrieve_ssl_session(struct connection *c);
unsigned long session_info(int type);
void init_session_cache(void);
#else
#define init_session_cache() do { } while (0)
#define retrieve_ssl_session(c) do { } while (0)
#endif
/* data.c */
void data_func(struct connection *);
/* file.c */
void file_func(struct connection *);
/* finger.c */
void finger_func(struct connection *);
/* ftp.c */
#if defined(IP_TOS) && defined(IPTOS_THROUGHPUT)
#define HAVE_IPTOS
#endif
void ftp_func(struct connection *);
/* smb.c */
void smb_func(struct connection *);
/* mailto.c */
void mailto_func(struct session *, unsigned char *);
void telnet_func(struct session *, unsigned char *);
void tn3270_func(struct session *, unsigned char *);
void mms_func(struct session *, unsigned char *);
void magnet_func(struct session *, unsigned char *);
void gopher_func(struct session *, unsigned char *);
/* kbd.c */
#define BM_BUTT 15
#define B_LEFT 0
#define B_MIDDLE 1
#define B_RIGHT 2
#define B_FOURTH 3
#define B_FIFTH 4
#define B_SIXTH 5
#define B_WHEELUP 8
#define B_WHEELDOWN 9
#define B_WHEELUP1 10
#define B_WHEELDOWN1 11
#define B_WHEELLEFT 12
#define B_WHEELRIGHT 13
#define B_WHEELLEFT1 14
#define B_WHEELRIGHT1 15
#define BM_IS_WHEEL(b) ((b) & 8)
#define BM_ACT 48
#define B_DOWN 0
#define B_UP 16
#define B_DRAG 32
#define B_MOVE 48
#define KBD_ENTER -0x100
#define KBD_BS -0x101
#define KBD_TAB -0x102
#define KBD_ESC -0x103
#define KBD_LEFT -0x104
#define KBD_RIGHT -0x105
#define KBD_UP -0x106
#define KBD_DOWN -0x107
#define KBD_INS -0x108
#define KBD_DEL -0x109
#define KBD_HOME -0x10a
#define KBD_END -0x10b
#define KBD_PAGE_UP -0x10c
#define KBD_PAGE_DOWN -0x10d
#define KBD_MENU -0x10e
#define KBD_STOP -0x10f
#define KBD_F1 -0x120
#define KBD_F2 -0x121
#define KBD_F3 -0x122
#define KBD_F4 -0x123
#define KBD_F5 -0x124
#define KBD_F6 -0x125
#define KBD_F7 -0x126
#define KBD_F8 -0x127
#define KBD_F9 -0x128
#define KBD_F10 -0x129
#define KBD_F11 -0x12a
#define KBD_F12 -0x12b
#define KBD_UNDO -0x140
#define KBD_REDO -0x141
#define KBD_FIND -0x142
#define KBD_HELP -0x143
#define KBD_COPY -0x144
#define KBD_PASTE -0x145
#define KBD_CUT -0x146
#define KBD_PROPS -0x147
#define KBD_FRONT -0x148
#define KBD_OPEN -0x149
#define KBD_BACK -0x14a
#define KBD_FORWARD -0x14b
#define KBD_RELOAD -0x14c
#define KBD_BOOKMARKS -0x14d
#define KBD_SELECT -0x14e
#define KBD_ESCAPE_MENU(x) ((x) <= KBD_F1 && (x) > KBD_CTRL_C)
#define KBD_CTRL_C -0x200
#define KBD_CLOSE -0x201
#define KBD_SHIFT 1
#define KBD_CTRL 2
#define KBD_ALT 4
#define KBD_PASTING 8
void handle_trm(int, int, int, int, int, void *, int);
void free_all_itrms(void);
void dispatch_special(unsigned char *);
void kbd_ctrl_c(void);
int is_blocked(void);
struct os2_key {
int x, y;
};
#if defined(OS2) || defined(DOS)
extern struct os2_key os2xtd[256];
#endif
struct itrm;
extern unsigned char init_seq[];
extern unsigned char init_seq_x_mouse[];
extern unsigned char init_seq_tw_mouse[];
extern unsigned char init_set_xterm[];
extern unsigned char term_seq[];
extern unsigned char term_seq_x_mouse[];
extern unsigned char term_seq_tw_mouse[];
extern unsigned char term_seq_xterm[];
#if defined(GRDRV_SVGALIB) || defined(GRDRV_FB) || defined(GRDRV_GRX)
#define GRDRV_VIRTUAL_DEVICES
#endif
#ifdef GRDRV_VIRTUAL_DEVICES
extern int kbd_set_raw;
struct itrm *handle_svgalib_keyboard(void (*)(struct itrm *, unsigned char *, int));
void svgalib_free_trm(struct itrm *);
void svgalib_block_itrm(struct itrm *);
int svgalib_unblock_itrm(struct itrm *);
#endif
struct rgb {
unsigned char r, g, b; /* This is 3*8 bits with sRGB gamma (in sRGB space)
* This is not rounded. */
unsigned char pad;
};
#ifdef G
/* lru.c */
struct lru_entry {
struct lru_entry *above, *below, *next;
struct lru_entry **previous;
void *data;
unsigned bytes_consumed;
};
struct lru {
int (*compare_function)(void *, void *);
struct lru_entry *top, *bottom;
my_uintptr_t bytes, items;
};
void lru_insert(struct lru *cache, void *entry, struct lru_entry **row, unsigned bytes_consumed);
void *lru_get_bottom(struct lru *cache);
void lru_destroy_bottom(struct lru *cache);
void lru_init(struct lru *cache, int (*compare_function)(void *entry, void *templ));
void *lru_lookup(struct lru *cache, void *templ, struct lru_entry **row);
/* drivers.c */
/* Bitmap is allowed to pass only to that driver from which was obtained.
* It is forbidden to get bitmap from svga driver and pass it to X driver.
* It is impossible to get an error when registering a bitmap
*/
struct bitmap {
int x, y; /* Dimensions */
ssize_t skip; /* Byte distance between vertically consecutive pixels */
void *data; /* Pointer to room for topleft pixel */
void *flags; /* Allocation flags for the driver */
};
struct rect {
int x1, x2, y1, y2;
};
struct rect_set {
int rl;
int m;
struct rect r[1];
};
struct graphics_device {
/* Only graphics driver is allowed to write to this */
struct rect size; /* Size of the window */
/*int left, right, top, bottom;*/
struct rect clip;
/* right, bottom are coords of the first point that are outside the clipping area */
void *driver_data;
/* Only user is allowed to write here, driver inits to zero's */
void *user_data;
void (*redraw_handler)(struct graphics_device *dev, struct rect *r);
void (*resize_handler)(struct graphics_device *dev);
void (*keyboard_handler)(struct graphics_device *dev, int key, int flags);
void (*mouse_handler)(struct graphics_device *dev, int x, int y, int buttons);
void (*extra_handler)(struct graphics_device *dev, int type, unsigned char *string);
};
struct driver_param;
struct graphics_driver {
unsigned char *name;
unsigned char *(*init_driver)(unsigned char *param, unsigned char *display); /* param is get from get_driver_param and saved into configure file */
/* Creates new device and returns pointer to it */
struct graphics_device *(*init_device)(void);
/* Destroys the device */
void (*shutdown_device)(struct graphics_device *dev);
void (*shutdown_driver)(void);
void (*emergency_shutdown)(void);
void (*after_fork)(void);
unsigned char *(*get_driver_param)(void); /* returns allocated string with parameter given to init_driver function */
unsigned char *(*get_af_unix_name)(void);
void (*get_margin)(int *left, int *right, int *top, int *bottom);
int (*set_margin)(int left, int right, int top, int bottom);
/* dest must have x and y filled in when get_empty_bitmap is called */
int (*get_empty_bitmap)(struct bitmap *dest);
void (*register_bitmap)(struct bitmap *bmp);
void *(*prepare_strip)(struct bitmap *bmp, int top, int lines);
void (*commit_strip)(struct bitmap *bmp, int top, int lines);
/* Must not touch x and y. Suitable for re-registering. */
void (*unregister_bitmap)(struct bitmap *bmp);
void (*draw_bitmap)(struct graphics_device *dev, struct bitmap *hndl, int x, int y);
/* Input into get_color has gamma 1/display_gamma.
* Input of 255 means exactly the largest sample the display is able to produce.
* Thus, if we have 3 bits for red, we will perform this code:
* red=((red*7)+127)/255;
*/
long (*get_color)(int rgb);
void (*fill_area)(struct graphics_device *dev, int x1, int y1, int x2, int y2, long color);
void (*draw_hline)(struct graphics_device *dev, int left, int y, int right, long color);
void (*draw_vline)(struct graphics_device *dev, int x, int top, int bottom, long color);
int (*scroll)(struct graphics_device *dev, struct rect_set **set, int scx, int scy);
/* When scrolling, the empty spaces will have undefined contents. */
/* returns:
0 - the caller should not care about redrawing, redraw will be sent
1 - the caller should redraw uncovered area */
/* when set is not NULL rectangles in the set (uncovered area) should be redrawn */
void (*set_clip_area)(struct graphics_device *dev);
void (*flush)(struct graphics_device *dev);
int (*block)(struct graphics_device *dev); /* restore old videomode and disable drawing on terminal */
int (*unblock)(struct graphics_device *dev); /* reenable the terminal (return -1 if failed) */
void (*set_palette)(void);
unsigned short *(*get_real_colors)(void);
void (*set_title)(struct graphics_device *dev, unsigned char *title);
/* set window title. title is in utf-8 encoding -- you should recode it to device charset */
/* if device doesn't support titles (svgalib, framebuffer), this should be NULL, not empty function ! */
int (*exec)(unsigned char *command, int flag);
/* -if !NULL executes command on this graphics device,
-if NULL links uses generic (console) command executing
functions
-return value is the same as of the 'system' syscall
-if flag is !0, run command in separate shell
else run command directly
*/
void (*set_clipboard_text)(unsigned char *text);
unsigned char *(*get_clipboard_text)(void);
int depth; /* Data layout
* depth
* 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
* +---------+-+-+---------+-----+
* + | | | | |
* +---------+-+-+---------+-----+
*
* 0 - 2 Number of bytes per pixel in passed bitmaps
* 3 - 7 Number of significant bits per pixel -- 1, 4, 8, 15, 16, 24
* 8 0 -- normal order, 1 -- misordered.Has the same value as vga_misordered from the VGA mode.
* 9 1 -- misordered (0rgb)
* 10 - 14 1 -- dither to the requested number of bits
*
* This number is to be used by the layer that generates images.
* Memory layout for 1 bytes per pixel is:
* 2 colors:
* 7 6 5 4 3 2 1 0
* +-------------+-+
* | 0 |B| B is The Bit. 0 black, 1 white
* +-------------+-+
*
* 16 colors:
* 7 6 5 4 3 2 1 0
* +-------+-------+
* | 0 | PIXEL | Pixel is 4-bit index into palette
* +-------+-------+
*
* 256 colors:
* 7 6 5 4 3 2 1 0
* +---------------+
* | --PIXEL-- | Pixels is 8-bit index into palette
* +---------------+
*/
int x, y; /* size of screen. only for drivers that use virtual devices */
int flags; /* GD_xxx flags */
struct driver_param *param;
};
#define GD_DONT_USE_SCROLL 1
#define GD_NEED_CODEPAGE 2
#define GD_UNICODE_KEYS 4
#define GD_ONLY_1_WINDOW 8
#define GD_NOAUTO 16
#define GD_NO_OS_SHELL 32
#define GD_NO_LIBEVENT 64
#define GD_SELECT_PALETTE 128
#define GD_SWITCH_PALETTE 256
extern struct graphics_driver *drv;
#define CLIP_DRAW_BITMAP \
if (!is_rect_valid(&dev->clip)) return; \
if (!bmp->x || !bmp->y) return; \
if (x >= dev->clip.x2) return; \
if (x + bmp->x <= dev->clip.x1) return; \
if (y >= dev->clip.y2) return; \
if (y + bmp->y <= dev->clip.y1) return; \
#define CLIP_FILL_AREA \
if (x1 < dev->clip.x1) x1 = dev->clip.x1; \
if (x2 > dev->clip.x2) x2 = dev->clip.x2; \
if (y1 < dev->clip.y1) y1 = dev->clip.y1; \
if (y2 > dev->clip.y2) y2 = dev->clip.y2; \
if (x1 >= x2 || y1 >= y2) return; \
#define CLIP_DRAW_HLINE \
if (y < dev->clip.y1) return; \
if (y >= dev->clip.y2) return; \
if (x1 < dev->clip.x1) x1 = dev->clip.x1; \
if (x2 > dev->clip.x2) x2 = dev->clip.x2; \
if (x1 >= x2) return; \
#define CLIP_DRAW_VLINE \
if (x < dev->clip.x1) return; \
if (x >= dev->clip.x2) return; \
if (y1 < dev->clip.y1) y1 = dev->clip.y1; \
if (y2 > dev->clip.y2) y2 = dev->clip.y2; \
if (y1 >= y2) return; \
void add_graphics_drivers(unsigned char **s, int *l);
unsigned char *init_graphics(unsigned char *, unsigned char *, unsigned char *);
void shutdown_graphics(void);
void update_driver_param(void);
int g_kbd_codepage(struct graphics_driver *drv);
extern struct graphics_device **virtual_devices;
extern int n_virtual_devices;
extern struct graphics_device *current_virtual_device;
static inline int is_rect_valid(struct rect *r)
{
return r->x1 < r->x2 && r->y1 < r->y2;
}
int do_rects_intersect(struct rect *, struct rect *);
void intersect_rect(struct rect *, struct rect *, struct rect *);
void unite_rect(struct rect *, struct rect *, struct rect *);
struct rect_set *init_rect_set(void);
void add_to_rect_set(struct rect_set **, struct rect *);
void exclude_rect_from_set(struct rect_set **, struct rect *);
static inline void exclude_from_set(struct rect_set **s, int x1, int y1, int x2, int y2)
{
struct rect r;
r.x1 = x1, r.x2 = x2, r.y1 = y1, r.y2 = y2;
exclude_rect_from_set(s, &r);
}
void set_clip_area(struct graphics_device *dev, struct rect *r);
int restrict_clip_area(struct graphics_device *dev, struct rect *r, int x1, int y1, int x2, int y2);
struct rect_set *g_scroll(struct graphics_device *dev, int scx, int scy);
#ifdef GRDRV_VIRTUAL_DEVICES
void init_virtual_devices(struct graphics_driver *, int);
struct graphics_device *init_virtual_device(void);
#define VD_NEXT -1
void switch_virtual_device(int);
void shutdown_virtual_device(struct graphics_device *dev);
void resize_virtual_devices(int x, int y);
void shutdown_virtual_devices(void);
#endif
#if defined(GRDRV_X) || defined(GRDRV_HAIKU)
int x_exec(unsigned char *command, int fg);
#endif
/* dip.c */
/* Digital Image Processing utilities
* (c) 2000 Clock <clock@atrey.karlin.mff.cuni.cz>
*
* This file is a part of Links
*
* This file does gray scaling (for prescaling fonts), color scaling (for scaling images
* where different size is defined in the HTML), two colors mixing (alpha monochromatic letter
* on a monochromatic backround and font operations.
*/
#if !SIZEOF_UNSIGNED_SHORT || SIZEOF_UNSIGNED_SHORT > 2
#define limit_16(x) ((x) >= 0xffff ? 0xffff : (x))
#define cmd_limit_16(x) do { if ((x) >= 0xffff) (x) = 0xffff; } while (0)
#else
#define limit_16(x) (x)
#define cmd_limit_16(x) do { } while (0)
#endif
#define sRGB_gamma 0.45455 /* For HTML, which runs
* according to sRGB standard. Number
* in HTML tag is linear to photons raised
* to this power.
*/
extern unsigned aspect; /* Must hold at least 20 bits */
my_uintptr_t fontcache_info(int type);
#define G_BFU_FONT_SIZE menu_font_size
struct letter {
const unsigned char *begin; /* Begin in the byte stream (of PNG data) */
int length; /* Length (in bytes) of the PNG data in the byte stream */
int code; /* Unicode code of the character */
short xsize; /* x size of the PNG image */
short ysize; /* y size of the PNG image */
struct lru_entry *color_list;
};
struct font {
int begin; /* Begin in the letter stream */
int length; /* Length in the letter stream */
};
#ifdef HAVE_FREETYPE
struct freetype_face;
#endif
struct style {
int refcount;
unsigned char r0, g0, b0, r1, g1, b1;
/* ?0 are background, ?1 foreground.
* These are unrounded 8-bit sRGB space
*/
unsigned char flags; /* FF_ flags */
int height;
long line_color; /* Valid only if flags includes FF_UNDERLINE or
* FF_STRIKE
*/
int mono_space; /* -1 if the font is not monospaced
* width of the space otherwise
*/
int mono_height; /* Height of the space if mono_space is >=0
* undefined otherwise
*/
#ifdef HAVE_FREETYPE
struct freetype_face *ft_face;
#endif
};
struct font_cache_entry {
unsigned char r0, g0, b0, r1, g1, b1;
unsigned char flags;
int char_number;
int mono_space, mono_height; /* if the letter was rendered for a
monospace font, then size of the space. Otherwise, mono_space
is -1 and mono_height is undefined. */
#ifdef HAVE_FREETYPE
unsigned char *font;
#endif
struct bitmap bitmap;
};
struct cached_image;
int compute_width(int ix, int iy, int required_length);
void g_print_text(struct graphics_device *device, int x, int y, struct style *style, unsigned char *text, int *width);
int g_text_width(struct style *style, unsigned char *text);
int g_char_width(struct style *style, unsigned ch);
/*unsigned char ags_8_to_8(unsigned char input, float gamma);*/
unsigned short ags_8_to_16(unsigned char input, float gamma);
unsigned char ags_16_to_8(unsigned short input, float gamma);
unsigned short ags_16_to_16(unsigned short input, float gamma);
void agx_24_to_48(unsigned short *my_restrict dest, const unsigned char *my_restrict src,
size_t length, float red_gamma, float green_gamma, float blue_gamma);
void make_gamma_table(struct cached_image *cimg);
void agx_24_to_48_table(unsigned short *my_restrict dest, const unsigned char *my_restrict src,
size_t length, unsigned short *my_restrict gamma_table);
void agx_48_to_48_table(unsigned short *my_restrict dest,
const unsigned short *my_restrict src, size_t length, unsigned short *my_restrict table);
void agx_48_to_48(unsigned short *my_restrict dest,
const unsigned short *my_restrict src, size_t length, float red_gamma,
float green_gamma, float blue_gamma);
void agx_and_uc_32_to_48_table(unsigned short *my_restrict dest,
const unsigned char *my_restrict src, size_t length, unsigned short *my_restrict table,
unsigned short rb, unsigned short gb, unsigned short bb);
void agx_and_uc_32_to_48(unsigned short *my_restrict dest,
const unsigned char *my_restrict src, size_t length, float red_gamma,
float green_gamma, float blue_gamma, unsigned short rb, unsigned
short gb, unsigned short bb);
void agx_and_uc_64_to_48_table(unsigned short *my_restrict dest,
const unsigned short *my_restrict src, size_t length, unsigned short *my_restrict gamma_table,
unsigned short rb, unsigned short gb, unsigned short bb);
void agx_and_uc_64_to_48(unsigned short *my_restrict dest,
const unsigned short *my_restrict src, size_t length, float red_gamma,
float green_gamma, float blue_gamma, unsigned short rb, unsigned
short gb, unsigned short bb);
void mix_one_color_48(unsigned short *my_restrict dest, size_t length,
unsigned short r, unsigned short g, unsigned short b);
void mix_one_color_24(unsigned char *my_restrict dest, size_t length,
unsigned char r, unsigned char g, unsigned char b);
void scale_color(unsigned short *in, size_t ix, size_t iy, unsigned short **out,
size_t ox, size_t oy);
void update_aspect(void);
void flush_bitmaps(int flush_font, int flush_images, int redraw_all);
struct g_object;
struct wrap_struct {
struct style *style;
unsigned char *text;
int pos;
int width;
struct g_object *obj;
struct g_object *last_wrap_obj;
unsigned char *last_wrap;
int force_break;
};
int g_wrap_text(struct wrap_struct *);
int hack_rgb(int rgb);
#define FF_BOLD 1
#define FF_MONOSPACED 2
#define FF_ITALIC 4
#define FF_UNDERLINE 8
#define FF_STRIKE 16
#ifndef USE_ITALIC
#define FF_SHAPES 4
#else
#define FF_SHAPES 8
#endif
struct style *g_get_style_font(int fg, int bg, int size, int fflags, unsigned char *font);
struct style *g_get_style(int fg, int bg, int size, int fflags);
struct style *g_invert_style(struct style *);
void g_free_style(struct style *style0);
struct style *g_clone_style(struct style *);
extern tcount gamma_stamp;
extern long gamma_cache_color_1;
extern int gamma_cache_rgb_1;
extern long gamma_cache_color_2;
extern int gamma_cache_rgb_2;
long real_dip_get_color_sRGB(int rgb);
static inline long dip_get_color_sRGB(int rgb)
{
if (rgb == gamma_cache_rgb_1) return gamma_cache_color_1;
if (rgb == gamma_cache_rgb_2) return gamma_cache_color_2;
return real_dip_get_color_sRGB(rgb);
}
void init_dip(void);
void get_links_icon(unsigned char **data, int *width, int *height, ssize_t *skip, int pad);
#ifdef PNG_USER_MEM_SUPPORTED
void *my_png_alloc(png_structp png_ptr, png_size_t size);
void my_png_free(png_structp png_ptr, void *ptr);
#endif
/* dither.c */
extern int slow_fpu; /* -1 --- don't know, 0 --- no, 1 --- yes */
/* Dithering functions (for blocks of pixels being dithered into bitmaps) */
void dither(unsigned short *in, struct bitmap *out);
int *dither_start(unsigned short *in, struct bitmap *out);
void dither_restart(unsigned short *in, struct bitmap *out, int *dregs);
extern void (*round_fn)(unsigned short *my_restrict in, struct bitmap *out);
long (*get_color_fn(int depth))(int rgb);
void init_dither(int depth);
void round_color_sRGB_to_48(unsigned short *my_restrict red, unsigned short *my_restrict green,
unsigned short *my_restrict blue, int rgb);
void q_palette(unsigned size, unsigned color, unsigned scale, unsigned rgb[3]);
double rgb_distance(int r1, int g1, int b1, int r2, int g2, int b2);
void free_dither(void);
/* freetype.c */
#ifdef HAVE_FREETYPE
struct freetype_face *freetype_flags_to_face(int fflags);
#define sizeof_freetype_cache 1024
extern struct lru_entry **freetype_cache;
int freetype_load_metric_cached(struct style *st, int char_number, int *xp, int y);
int freetype_type_character(struct style *st, int char_number, unsigned char **dest, int *x, int y);
struct freetype_face *freetype_get_font(unsigned char *path);
void freetype_free_font(struct freetype_face *face);
unsigned char *freetype_get_allocated_font_name(struct style *st);
void freetype_reload(void);
void freetype_init(void);
void freetype_done(void);
void add_freetype_version(unsigned char **s, int *l);
/* fontconf.c */
struct list_of_fonts {
unsigned char *name;
unsigned char *file;
};
void fontconfig_list_fonts(struct list_of_fonts **fonts, int *n_fonts, int monospaced);
void fontconfig_free_fonts(struct list_of_fonts *fonts);
void wait_for_fontconfig(void);
void fontconfig_init(void);
void add_fontconfig_version(unsigned char **s, int *l);
#else
static inline void freetype_reload(void) { }
static inline void freetype_init(void) { }
static inline void freetype_done(void) { }
static inline void fontconfig_init(void) { }
static inline void fontconfig_done(void) { }
#endif
#endif
/* terminal.c */
extern unsigned char frame_dumb[];
#ifndef ENABLE_UTF8
typedef unsigned char char_t;
#else
typedef unsigned char_t;
#endif
typedef struct {
char_t ch
#ifdef ENABLE_UTF8
:24
#endif
;
unsigned char at;
} chr;
#ifdef ENABLE_UTF8
#define chr_has_padding (sizeof(chr) != 4 || value_0())
#else
#define chr_has_padding (sizeof(chr) != 2 || value_0())
#endif
struct links_event {
int ev;
int x;
int y;
my_intptr_t b;
};
#define EV_INIT 0
#define EV_KBD 1
#define EV_MOUSE 2
#define EV_EXTRA 3
#define EV_REDRAW 4
#define EV_RESIZE 5
#define EV_ABORT 6
#define EV_EXTRA_OPEN_URL 0
#define EVH_NOT_PROCESSED 0
#define EVH_LINK_KEYDOWN_PROCESSED 1
#define EVH_LINK_KEYPRESS_PROCESSED 2
#define EVH_DOCUMENT_KEYDOWN_PROCESSED 3
#define EVH_DOCUMENT_KEYPRESS_PROCESSED 4
struct window {
list_entry_1st
void (*handler)(struct window *, struct links_event *, int fwd);
void *data;
int xp, yp;
struct terminal *term;
#ifdef G
struct rect pos;
struct rect redr;
#endif
list_entry_last
};
#define MAX_TERM_LEN 32 /* this must be multiple of 8! (alignment problems) */
#define MAX_CWD_LEN 4096 /* this must be multiple of 8! (alignment problems) */
#define ENV_XWIN 1
#define ENV_SCREEN 2
#define ENV_OS2VIO 4
#define ENV_BE 8
#define ENV_TWIN 16
#define ENV_WIN32 32
#define ENV_INTERIX 64
#define ENV_G 32768
struct term_spec;
struct terminal {
list_entry_1st
tcount count;
int x;
int y;
/* text only */
int master;
int fdin;
int fdout;
int environment;
unsigned char term[MAX_TERM_LEN];
unsigned char cwd[MAX_CWD_LEN];
chr *screen;
chr *last_screen;
struct term_spec *spec;
int default_character_set;
int cx;
int cy;
int lcx;
int lcy;
int dirty;
int redrawing;
int blocked;
unsigned char *input_queue;
int qlen;
int real_x;
int real_y;
int left_margin;
int top_margin;
/* end-of text only */
struct list_head windows;
unsigned char *title;
int handle_to_close;
#ifdef G
struct graphics_device *dev;
int last_mouse_x;
int last_mouse_y;
int last_mouse_b;
#endif
#if defined(G) || defined(ENABLE_UTF8)
unsigned char utf8_buffer[7];
int utf8_paste_mode;
#endif
list_entry_last
};
struct term_spec {
list_entry_1st
unsigned char term[MAX_TERM_LEN];
int mode;
int m11_hack;
int restrict_852;
int block_cursor;
int col;
int braille;
int character_set;
int left_margin;
int right_margin;
int top_margin;
int bottom_margin;
list_entry_last
};
#define TERM_DUMB 0
#define TERM_VT100 1
#define TERM_LINUX 2
#define TERM_KOI8 3
#define TERM_FREEBSD 4
#define TERM_UTF8 5
#define ATTR_FRAME 0x80
extern struct list_head term_specs;
extern struct list_head terminals;
static inline int term_charset(struct terminal *term)
{
if (term->spec->character_set >= 0)
return term->spec->character_set;
return term->default_character_set;
}
int hard_write(int, const unsigned char *, int);
int hard_read(int, unsigned char *, int);
unsigned char *get_cwd(void);
void set_cwd(unsigned char *);
unsigned char get_attribute(int, int);
struct terminal *init_term(int, int, void (*)(struct window *, struct links_event *, int));
#ifdef G
struct terminal *init_gfx_term(void (*)(struct window *, struct links_event *, int), unsigned char *, void *, int);
#endif
struct term_spec *new_term_spec(unsigned char *);
void free_term_specs(void);
void destroy_terminal(void *);
void cls_redraw_all_terminals(void);
void redraw_below_window(struct window *);
void add_window(struct terminal *, void (*)(struct window *, struct links_event *, int), void *);
void delete_window(struct window *);
void delete_window_ev(struct window *, struct links_event *ev);
void set_window_ptr(struct window *, int, int);
void get_parent_ptr(struct window *, int *, int *);
void add_empty_window(struct terminal *, void (*)(void *), void *);
void draw_to_window(struct window *, void (*)(struct terminal *, void *), void *);
void redraw_window(struct window *);
void redraw_all_terminals(void);
void flush_terminal(struct terminal *);
#ifdef G
void set_window_pos(struct window *, int, int, int, int);
void t_redraw(struct graphics_device *, struct rect *);
#endif
/* text only */
void set_char(struct terminal *, int, int, unsigned, unsigned char);
const chr *get_char(struct terminal *, int, int);
void set_color(struct terminal *, int, int, unsigned char);
void set_only_char(struct terminal *, int, int, unsigned, unsigned char);
void set_line(struct terminal *, int, int, int, chr *);
void set_line_color(struct terminal *, int, int, int, unsigned char);
void fill_area(struct terminal *, int, int, int, int, unsigned, unsigned char);
void draw_frame(struct terminal *, int, int, int, int, unsigned char, int);
void print_text(struct terminal *, int, int, int, unsigned char *, unsigned char);
void set_cursor(struct terminal *, int, int, int, int);
void destroy_all_terminals(void);
void block_itrm(int);
int unblock_itrm(int);
void exec_thread(void *, int);
void close_handle(void *);
#define TERM_FN_TITLE 1
#define TERM_FN_RESIZE 2
#ifdef G
int have_extra_exec(void);
#endif
void exec_on_terminal(struct terminal *, unsigned char *, unsigned char *, unsigned char);
void do_terminal_function(struct terminal *, unsigned char, unsigned char *);
void set_terminal_title(struct terminal *, unsigned char *);
struct terminal *find_terminal(tcount count);
/* language.c */
#include "language.h"
extern unsigned char dummyarray[];
extern int current_language;
void init_trans(void);
void shutdown_trans(void);
#if defined(OS2) || defined(DOS)
int get_country_language(int c);
#endif
int get_language_from_lang(unsigned char *);
int get_default_language(void);
int get_current_language(void);
int get_default_charset(void);
int get_commandline_charset(void);
unsigned char *get_text_translation(unsigned char *, struct terminal *term);
unsigned char *get_english_translation(unsigned char *);
int n_languages(void);
unsigned char *language_name(int);
void set_language(int);
unsigned char *strerror_alloc(int err, struct terminal *term);
#define TEXT_(x) (dummyarray + x) /* TEXT causes name clash on windows */
/* dos.c */
#ifdef DOS
void dos_poll_break(void);
void dos_mouse_terminate(void);
void dos_save_screen(void);
void dos_restore_screen(void);
int dos_is_bw(void);
#else
#define dos_poll_break() do { } while (0)
#endif
/* grx.c */
#ifdef GRDRV_GRX
extern int grx_mouse_initialized;
void grx_mouse_poll(void);
int grx_mouse_event(void);
#endif
/* af_unix.c */
extern int s_unix_fd;
int bind_to_af_unix(unsigned char *name);
void af_unix_close(void);
/* main.c */
extern int terminal_pipe[2];
extern int retval;
extern unsigned char *path_to_exe;
extern char **g_argv;
extern int g_argc;
void sig_tstp(void *t);
void sig_cont(void *t);
void unhandle_terminal_signals(struct terminal *term);
int attach_terminal(int, int, int, void *, int);
#ifdef G
int attach_g_terminal(unsigned char *, void *, int);
void gfx_connection(int);
#endif
/* objreq.c */
#define O_WAITING 0
#define O_LOADING 1
#define O_FAILED -1
#define O_INCOMPLETE -2
#define O_OK -3
struct object_request {
list_entry_1st
int refcount;
tcount count;
tcount term;
struct status stat;
struct cache_entry *ce_internal;
struct cache_entry *ce;
unsigned char *orig_url;
unsigned char *url;
unsigned char *prev_url; /* allocated string with referrer or NULL */
unsigned char *goto_position;
int pri;
int cache;
void (*upcall)(struct object_request *, void *);
void *data;
int redirect_cnt;
int state;
#define HOLD_AUTH 1
#define HOLD_CERT 2
int hold;
int dont_print_error;
struct timer *timer;
off_t last_bytes;
uttime last_update;
list_entry_last
};
void request_object(struct terminal *, unsigned char *, unsigned char *, int, int, int, void (*)(struct object_request *, void *), void *, struct object_request **);
void clone_object(struct object_request *, struct object_request **);
void release_object(struct object_request **);
void release_object_get_stat(struct object_request **, struct status *, int);
void detach_object_connection(struct object_request *, off_t);
/* compress.c */
#if defined(HAVE_ZLIB) || defined(HAVE_BROTLI) || defined(HAVE_BZIP2) || defined(HAVE_LZMA) || defined(HAVE_LZIP)
#define HAVE_ANY_COMPRESSION
#endif
extern my_uintptr_t decompressed_cache_size;
int get_file_by_term(struct terminal *term, struct cache_entry *ce, unsigned char **start, size_t *len, int *errp);
int get_file(struct object_request *o, unsigned char **start, size_t *len);
void free_decompressed_data(struct cache_entry *e);
void add_compress_methods(unsigned char **s, int *l);
/* session.c */
struct link_def {
unsigned char *link;
unsigned char *target;
unsigned char *label; /* only for image maps */
unsigned char *shape;
unsigned char *coords;
unsigned char *onclick;
unsigned char *ondblclick;
unsigned char *onmousedown;
unsigned char *onmouseup;
unsigned char *onmouseover;
unsigned char *onmouseout;
unsigned char *onmousemove;
};
struct compressed_chars {
list_entry_1st
int total_len;
int cpos;
list_entry_last
unsigned char chars[1];
};
struct line {
int l;
int allocated;
union {
chr *du;
unsigned char *dc;
} u;
};
struct point {
int x;
int y;
};
struct form {
unsigned char *action;
unsigned char *target;
unsigned char *form_name;
unsigned char *onsubmit;
int method;
int num;
};
#define FM_GET 0
#define FM_POST 1
#define FM_POST_MP 2
#define FC_TEXT 1
#define FC_PASSWORD 2
#define FC_FILE_UPLOAD 3
#define FC_TEXTAREA 4
#define FC_CHECKBOX 5
#define FC_RADIO 6
#define FC_SELECT 7
#define FC_SUBMIT 8
#define FC_IMAGE 9
#define FC_RESET 10
#define FC_HIDDEN 11
#define FC_BUTTON 12
struct menu_item;
struct form_control {
list_entry_1st
int form_num; /* cislo formulare */
int ctrl_num; /* identifikace polozky v ramci formulare */
int g_ctrl_num; /* identifikace polozky mezi vsemi polozkami (poradi v poli form_info) */
int position;
int method;
unsigned char *action;
unsigned char *target;
unsigned char *onsubmit; /* script to be executed on submit */
int type;
unsigned char *name;
unsigned char *form_name;
unsigned char *alt;
int ro;
unsigned char *default_value;
int default_state;
int size;
int cols, rows, wrap;
int maxlength;
int nvalues; /* number of values in a select item */
unsigned char **values; /* values of a select item */
unsigned char **labels; /* labels (shown text) of a select item */
struct menu_item *menu;
list_entry_last
};
struct line_info {
int st_offs;
int en_offs;
int chars;
};
struct format_text_cache_entry {
int width;
int wrap;
int cp;
int last_state;
int last_vpos;
int last_vypos;
int last_cursor;
int n_lines;
struct line_info ln[1];
};
struct form_state {
int form_num; /* cislo formulare */
int ctrl_num; /* identifikace polozky v ramci formulare */
int g_ctrl_num; /* identifikace polozky mezi vsemi polozkami (poradi v poli form_info) */
int position;
int type;
unsigned char *string; /* selected value of a select item */
int state; /* index of selected item of a select item */
int vpos;
int vypos;
struct format_text_cache_entry *ftce;
#ifdef JS
int changed; /* flag if form element has changed --- for onchange handler */
#endif
};
struct js_event_spec;
struct link {
int type; /* one of L_XXX constants */
int num; /* link number (used when user turns on link numbering) */
unsigned char *where; /* URL of the link */
unsigned char *target; /* name of target frame where to open the link */
unsigned char *where_img; /* URL of image (if any) */
unsigned char *img_alt; /* alt of image (if any) - valid only when link is an image */
struct form_control *form; /* form info, usually NULL */
unsigned sel_color; /* link color */
int n; /* number of points */
int first_point_to_move;
struct point *pos;
struct js_event_spec *js_event;
int obj_order;
#ifdef G
struct rect r;
struct g_object *obj;
#endif
};
#define L_LINK 0
#define L_BUTTON 1
#define L_CHECKBOX 2
#define L_SELECT 3
#define L_FIELD 4
#define L_AREA 5
struct link_bg {
int x, y;
unsigned char c;
};
struct tag {
list_entry_1st
int x;
int y;
list_entry_last
unsigned char name[1];
};
extern struct rgb palette_16_colors[16];
/* when you add anything, don't forget to initialize it in default.c on line:
* struct document_setup dds = { ... };
*/
struct document_setup {
int assume_cp;
int hard_assume;
int tables;
int frames;
int break_long_lines;
int images;
int image_names;
int margin;
int num_links;
int table_order;
int auto_refresh;
int font_size;
int display_images;
int image_scale;
int porn_enable;
int target_in_new_window;
int t_text_color;
int t_link_color;
int t_background_color;
int t_ignore_document_color;
int g_text_color;
int g_link_color;
int g_background_color;
int g_ignore_document_color;
};
/* IMPORTANT!!!!!
* if you add anything, fix it in compare_opt and if you add it into
* document_setup, fix it in ds2do too
*/
struct document_options {
int xw, yw; /* size of window */
int xp, yp; /* pos of window */
int scrolling;
int col, cp, assume_cp, hard_assume;
int braille;
int tables, frames, break_long_lines, images, image_names, margin;
int js_enable;
int plain;
int num_links, table_order;
int auto_refresh;
struct rgb default_fg;
struct rgb default_bg;
struct rgb default_link;
unsigned char *framename;
int font_size;
int display_images;
int image_scale;
int porn_enable;
tcount gamma_stamp;
int real_cp; /* codepage of document. Does not really belong here. Must not be compared. Used only in get_attr_val */
};
static inline void color2rgb(struct rgb *rgb, int color)
{
memset(rgb, 0, sizeof(struct rgb));
rgb->r = (color >> 16) & 0xff;
rgb->g = (color >> 8) & 0xff;
rgb->b = color & 0xff;
}
static inline void ds2do(struct document_setup *ds, struct document_options *doo, int col)
{
doo->assume_cp = ds->assume_cp;
doo->hard_assume = ds->hard_assume;
doo->tables = ds->tables;
doo->frames = ds->frames;
doo->break_long_lines = ds->break_long_lines;
doo->images = ds->images;
doo->image_names = ds->image_names;
doo->margin = ds->margin;
doo->num_links = ds->num_links;
doo->table_order = ds->table_order;
doo->auto_refresh = ds->auto_refresh;
doo->font_size = ds->font_size;
doo->display_images = ds->display_images;
doo->image_scale = ds->image_scale;
doo->porn_enable = ds->porn_enable;
if (!F) {
if (!col) {
doo->default_fg = palette_16_colors[7];
doo->default_bg = palette_16_colors[0];
doo->default_link = palette_16_colors[15];
} else {
doo->default_fg = palette_16_colors[ds->t_text_color];
doo->default_bg = palette_16_colors[ds->t_background_color];
doo->default_link = palette_16_colors[ds->t_link_color];
}
}
#ifdef G
else {
color2rgb(&doo->default_fg, ds->g_text_color);
color2rgb(&doo->default_bg, ds->g_background_color);
color2rgb(&doo->default_link, ds->g_link_color);
}
#endif
}
struct node {
list_entry_1st
int x, y;
int xw, yw;
list_entry_last
};
struct search {
int idx;
int x, y;
unsigned short n;
unsigned short co;
};
struct frameset_desc;
struct frame_desc {
struct frameset_desc *subframe;
unsigned char *name;
unsigned char *url;
int marginwidth;
int marginheight;
int line;
int xw, yw;
unsigned char scrolling;
};
struct frameset_desc {
int n; /* = x * y */
int x, y; /* velikost */
int xp, yp; /* pozice pri pridavani */
#ifdef JS
unsigned char *onload_code;
#endif
struct frame_desc f[1];
};
struct f_data;
#ifdef G
#define SHAPE_DEFAULT 0
#define SHAPE_RECT 1
#define SHAPE_CIRCLE 2
#define SHAPE_POLY 3
struct map_area {
int shape;
int *coords;
int ncoords;
int link_num;
};
struct image_map {
int n_areas;
struct map_area area[1];
};
struct background {
int sRGB; /* This is 3*8 bytes with sRGB_gamma (in sRGB space).
This is not rounded. */
long color;
tcount gamma_stamp;
};
struct f_data_c;
#define G_OBJ_ALIGN_SPECIAL (MAXINT - 2)
#define G_OBJ_ALIGN_MIDDLE (MAXINT - 2)
#define G_OBJ_ALIGN_TOP (MAXINT - 1)
struct g_object {
/* public data --- must be same in all g_object* structures */
void (*mouse_event)(struct f_data_c *, struct g_object *, int, int, int);
/* pos is relative to object */
void (*draw)(struct f_data_c *, struct g_object *, int, int);
/* absolute pos on screen */
void (*destruct)(struct g_object *);
void (*get_list)(struct g_object *, void (*)(struct g_object *parent, struct g_object *child));
int x, y, xw, yw;
struct g_object *parent;
};
#ifndef REORDER_LIST_ENTRIES
#define go_go_head_1st struct g_object go;
#define go_head_last
#else
#define go_go_head_1st
#define go_head_last struct g_object go;
#endif
struct g_object_text_image {
go_go_head_1st
int link_num;
int link_order;
struct image_map *map;
int ismap;
go_head_last
};
struct g_object_text {
#ifndef REORDER_LIST_ENTRIES
struct g_object_text_image goti;
#endif
struct style *style;
int srch_pos;
#ifdef REORDER_LIST_ENTRIES
struct g_object_text_image goti;
#endif
unsigned char text[1];
};
struct g_object_line {
go_go_head_1st
struct background *bg;
int n_entries;
go_head_last
struct g_object *entries[1];
};
struct g_object_area {
go_go_head_1st
struct background *bg;
int n_lines;
go_head_last
struct g_object_line *lines[1];
};
struct table;
struct g_object_table {
go_go_head_1st
struct table *t;
go_head_last
};
struct g_object_tag {
go_go_head_1st
#ifdef REORDER_LIST_ENTRIES
unsigned char pad;
#endif
go_head_last
/* private data... */
unsigned char name[1];
};
#define IM_PNG 0
#define IM_GIF 1
#define IM_XBM 2
#ifdef HAVE_JPEG
#define IM_JPG 3
#endif /* #ifdef HAVE_JPEG */
#ifdef HAVE_TIFF
#define IM_TIFF 4
#endif /* #ifdef HAVE_TIFF */
#ifdef HAVE_SVG
#define IM_SVG 5
#endif /* #ifdef HAVE_SVG */
#ifdef HAVE_WEBP
#define IM_WEBP 6
#endif /* #ifdef HAVE_WEBP */
#ifdef HAVE_AVIF
#define IM_AVIF 7
#endif /* #ifdef HAVE_AVIF */
#define MEANING_DIMS 0
#define MEANING_AUTOSCALE 1
struct cached_image {
list_entry_1st
int cimg_refcount;
struct cached_image **hash_backlink;
struct cached_image *hash_fwdlink;
int background_color; /* nezaokrouhlene pozadi:
* sRGB, (r<<16)+(g<<8)+b */
unsigned char *url;
ssize_t wanted_xw, wanted_yw; /* This is what is written in the alt.
If some dimension is omitted, then
it's <0. This is what was requested
when the image was created. */
int wanted_xyw_meaning; /* MEANING_DIMS or MEANING_AUTOSCALE.
The meaning of wanted_xw and wanted_yw. */
int scale; /* How is the image scaled */
unsigned aspect; /* What aspect ratio the image is for. But the
PNG aspect is ignored :( */
ssize_t xww, yww; /* This is the resulting dimensions on the screen
measured in screen pixels. */
ssize_t width, height; /* From image header.
* If the buffer is allocated,
* it is always allocated to width*height.
* If the buffer is NULL then width and height
* are garbage. We assume these dimensions
* are given in the meter space (not pixel space).
* Which is true for all images except aspect
* PNG, but we don't support aspect PNG yet.
*/
unsigned char image_type; /* IM_??? constant */
unsigned char *buffer; /* Buffer with image data */
unsigned char buffer_bytes_per_pixel; /* 3 or 4 or 6 or 8
* 3: RGB
* 4: RGBA
* 6: RRGGBB
* 8: RRGGBBAA
*/
float red_gamma, green_gamma, blue_gamma;
/* data=light_from_monitor^[red|green|blue]_gamma.
* i. e. 0.45455 is here if the image is in sRGB
* makes sense only if buffer is !=NULL
*/
tcount gamma_stamp; /* Number that is increased every gamma change */
struct bitmap bmp; /* Registered bitmap. bmp.x=-1 and bmp.y=-1
* if the bmp is not registered.
*/
unsigned char bmp_used;
int last_length; /* length of cache entry at which last decoding was
* done. Makes sense only if reparse==0
*/
tcount last_count; /* Always valid. */
tcount last_count2; /* Always valid. */
void *decoder; /* Decoder unfinished work. If NULL, decoder
* has finished or has not yet started.
*/
int rows_added; /* 1 if some rows were added inside the decoder */
unsigned char state; /* 0...3 or 8...15 */
unsigned char strip_optimized; /* 0 no strip optimization
1 strip-optimized (no buffer allocated permanently
and bitmap is always allocated)
*/
unsigned char eof_hit;
int *dregs; /* Only for stip-optimized cached images */
unsigned short *gamma_table; /* When suitable and source is 8 bits per pixel,
* this is allocated to 256*3*sizeof(*gamma_table)
* = 1536 bytes and speeds up the gamma calculations
* tremendously */
list_entry_last
};
struct additional_file;
struct g_object_image {
#ifndef REORDER_LIST_ENTRIES
struct g_object_text_image goti;
#endif
/* x,y: coordinates
xw, yw: width on the screen, or <0 if
not yet known. Already scaled. */
/* For html parser. If xw or yw are zero, then entries
background_color
af
width
height
image_type
buffer
buffer_bytes_per_pixel
*_gamma
gamma_stamp
bmp
last_length
last_count2
decoder
rows_added
reparse
are uninitialized and thus garbage
*/
/* End of compatibility with g_object_text */
list_entry_1st
struct cached_image *cimg;
struct additional_file *af;
long id;
unsigned char *name;
unsigned char *alt;
int vspace, hspace, border;
unsigned char *orig_src;
unsigned char *src;
int background; /* Remembered background from insert_image
* (g_part->root->bg->sRGB)
*/
int xyw_meaning;
list_entry_last
#ifdef REORDER_LIST_ENTRIES
struct g_object_text_image goti;
#endif
};
void refresh_image(struct f_data_c *fd, struct g_object *img, uttime tm);
#endif
struct additional_file *request_additional_file(struct f_data *f, unsigned char *url);
struct js_event_spec {
#ifdef JS
unsigned char *move_code;
unsigned char *over_code;
unsigned char *out_code;
unsigned char *down_code;
unsigned char *up_code;
unsigned char *click_code;
unsigned char *dbl_code;
unsigned char *blur_code;
unsigned char *focus_code;
unsigned char *change_code;
unsigned char *keypress_code;
unsigned char *keyup_code;
unsigned char *keydown_code;
#else
char dummy;
#endif
};
/*
* warning: if you add more additional file stuctures, you must
* set RQ upcalls correctly
*/
#define AF_HASH_SIZE 1024
struct additional_files {
int refcount;
struct list_head af; /* struct additional_file */
struct additional_file *hash[AF_HASH_SIZE];
};
struct additional_file {
list_entry_1st
struct additional_file *hash_fwdlink;
struct object_request *rq;
tcount use_tag;
tcount use_tag2;
int need_reparse;
int unknown_image_size;
list_entry_last
unsigned char url[1];
};
#ifdef G
struct image_refresh {
list_entry_1st
struct g_object *img;
uttime tim;
uttime start;
list_entry_last
};
#endif
struct f_data {
list_entry_1st
struct session *ses;
struct f_data_c *fd;
struct object_request *rq;
tcount use_tag;
struct additional_files *af;
struct document_options opt;
unsigned char *title;
int cp, ass;
int x, y; /* size of document */
uttime time_to_get;
uttime time_to_draw;
struct frameset_desc *frame_desc;
int frame_desc_link; /* if != 0, do not free frame_desc because it is link */
/* text only */
int bg;
struct line *data;
struct link *links;
int nlinks;
struct list_head compressed_chars;
#ifdef JS
struct js_event_spec **link_events;
int nlink_events;
#endif
struct link **lines1;
struct link **lines2;
struct list_head nodes; /* struct node */
struct search *search_pos;
char_t *search_chr;
int nsearch_chr;
int nsearch_pos;
int *slines1;
int *slines2;
struct list_head forms; /* struct form_control */
struct list_head tags; /* struct tag */
#ifdef JS
int are_there_scripts;
unsigned char *script_href_base;
#endif
unsigned char *refresh;
int refresh_seconds;
int uncacheable; /* cannot be cached - either created from source modified by document.write or modified by javascript */
#ifdef JS
struct js_event_spec *js_event;
#endif
/* graphics only */
#ifdef G
struct g_object *root;
struct g_object *locked_on;
unsigned char *srch_string;
int srch_string_size;
unsigned char *last_search;
int *search_positions;
int *search_lengths;
int n_search_positions;
int hlt_pos; /* index of first highlighted byte */
int hlt_len; /* length of highlighted bytes; (hlt_pos+hlt_len) is index of last highlighted character */
int start_highlight_x;
int start_highlight_y;
struct list_head images; /* list of all images in this f_data */
int n_images; /* pocet obrazku (tim se obrazky taky identifikujou), po kazdem pridani obrazku se zvedne o 1 */
struct list_head image_refresh;
#endif
list_entry_last
};
static inline void get_char_attr(struct f_data *f, int x, int y, unsigned *ch, unsigned char *at)
{
struct line *ln = &f->data[y];
if (ln->allocated >= 0) {
*ch = ln->u.du[x].ch;
*at = ln->u.du[x].at;
} else {
*ch = ln->u.dc[x];
*at = ln->allocated & 0xff;
}
}
struct view_state {
int refcount;
int view_pos;
int view_posx;
int orig_view_pos;
int orig_view_posx;
int current_link; /* platny jen kdyz je <f_data->n_links */
int orig_link;
int frame_pos;
int plain;
struct form_state *form_info;
int form_info_len;
int brl_x;
int brl_y;
int orig_brl_x;
int orig_brl_y;
int brl_in_field;
#ifdef G
int g_display_link;
#endif
};
struct location;
struct f_data_c {
list_entry_1st
struct f_data_c *parent;
struct session *ses;
struct location *loc;
struct view_state *vs;
struct f_data *f_data;
int xw, yw; /* size of window */
int xp, yp; /* pos of window on screen */
int xl, yl; /* last pos of view in window */
int hsb, vsb;
int hsbsize, vsbsize;
struct link_bg *link_bg;
int link_bg_n;
int depth;
struct object_request *rq;
unsigned char *goto_position;
unsigned char *went_to_position;
struct additional_files *af;
struct list_head subframes; /* struct f_data_c */
uttime last_update;
uttime next_update_interval;
int done;
int parsed_done;
int script_t; /* offset of next script to execute */
int active; /* temporary, for draw_doc */
long id; /* unique document identification for javascript */
int marginwidth, marginheight;
#ifdef JS
struct js_state *js;
#endif
struct timer *image_timer;
struct timer *refresh_timer;
#ifdef JS
unsigned char *onload_frameset_code;
#endif
unsigned char scrolling;
unsigned char last_captured;
list_entry_last
};
struct location {
list_entry_1st
struct location *parent;
unsigned char *name; /* frame name */
unsigned char *url;
unsigned char *prev_url; /* allocated string with referrer */
struct list_head subframes; /* struct location */
struct view_state *vs;
unsigned location_id;
list_entry_last
};
#define WTD_NO 0
#define WTD_FORWARD 1
#define WTD_IMGMAP 2
#define WTD_RELOAD 3
#define WTD_BACK 4
#define cur_loc(x) list_struct((x)->history.next, struct location)
struct kbdprefix {
int rep;
int rep_num;
int prefix;
};
struct download {
list_entry_1st
unsigned char *url;
struct status stat;
unsigned char decompress;
unsigned char *cwd;
unsigned char *orig_file;
unsigned char *file;
off_t last_pos;
off_t file_shift;
int handle;
int redirect_cnt;
int downloaded_something;
unsigned char *prog;
int prog_flag_block;
time_t remotetime;
struct session *ses;
struct window *win;
struct window *ask;
list_entry_last
};
extern struct list_head downloads;
struct session {
list_entry_1st
struct list_head history; /* struct location */
struct list_head forward_history;
struct terminal *term;
struct window *win;
int id;
unsigned char *st; /* status line string */
unsigned char *st_old; /* old status line --- compared with st to prevent cursor flicker */
unsigned char *default_status; /* default value of the status line */
struct f_data_c *screen;
struct object_request *rq;
void (*wtd)(struct session *);
unsigned char *wtd_target;
struct f_data_c *wtd_target_base;
unsigned char *wanted_framename;
int wtd_refresh;
int wtd_num_steps;
unsigned char *goto_position;
struct document_setup ds;
struct kbdprefix kbdprefix;
int reloadlevel;
struct object_request *tq;
unsigned char *tq_prog;
int tq_prog_flag_block;
int tq_prog_flag_direct;
unsigned char *dn_url;
int dn_allow_flags;
unsigned char *search_word;
unsigned char *last_search_word;
int search_direction;
int exit_query;
struct list_head format_cache; /* struct f_data */
unsigned char *imgmap_href_base;
unsigned char *imgmap_target_base;
#ifdef JS
unsigned char *defered_url;
unsigned char *defered_target;
struct f_data_c *defered_target_base;
int defered_data; /* for submit: form number, jinak -1 */
tcount defered_seq;
#endif
int brl_cursor_mode;
#ifdef G
int locked_link; /* for graphics - when link is locked on FIELD/AREA */
int scrolling;
int scrolltype;
int scrolloff;
int back_size;
#endif
list_entry_last
};
struct dialog_data;
int f_is_finished(struct f_data *f);
unsigned long formatted_info(int);
int shrink_format_cache(int u);
void init_fcache(void);
void html_interpret_recursive(struct f_data_c *);
void fd_loaded(struct object_request *, void *);
extern struct list_head sessions;
unsigned char *encode_url(unsigned char *);
unsigned char *decode_url(unsigned char *);
struct session *get_download_ses(struct download *);
unsigned char *subst_file(unsigned char *, unsigned char *, int);
int are_there_downloads(void);
unsigned char get_session_attribute(struct session *, int);
unsigned char *translate_download_file(unsigned char *);
void free_strerror_buf(void);
int get_error_from_errno(int errn);
unsigned char *get_err_msg(int, struct terminal *);
void change_screen_status(struct session *);
void print_screen_status(struct session *);
void print_progress(struct session *, unsigned char *);
void print_error_dialog(struct session *, struct status *, unsigned char *);
void start_download(struct session *, unsigned char *, int);
int test_abort_downloads_to_file(unsigned char *, unsigned char *, int);
void abort_all_downloads(void);
unsigned char *download_percentage(struct download *down, int pad);
void download_window_function(struct dialog_data *dlg);
void display_download(struct terminal *, void *, void *);
struct f_data *cached_format_html(struct f_data_c *fd, struct object_request *rq, unsigned char *url, struct document_options *opt, int *cch, int report_status);
struct f_data_c *create_f_data_c(struct session *, struct f_data_c *);
void reinit_f_data_c(struct f_data_c *);
int f_data_c_allow_flags(struct f_data_c *fd);
#define CDF_RESTRICT_PERMISSION 1
#define CDF_EXCL 2
#define CDF_NOTRUNC 4
#define CDF_NO_POPUP_ON_EEXIST 8
int create_download_file(struct session *, unsigned char *, unsigned char *, int, off_t);
void *create_session_info(int, unsigned char *, unsigned char *, int *);
void win_func(struct window *, struct links_event *, int);
void goto_url_f(struct session *, void (*)(struct session *), unsigned char *, unsigned char *, struct f_data_c *, int, int, int, int);
void goto_url(void *, unsigned char *);
void goto_url_utf8(struct session *, unsigned char *);
void goto_url_not_from_dialog(struct session *, unsigned char *, struct f_data_c *);
void goto_imgmap(struct session *ses, struct f_data_c *fd, unsigned char *url, unsigned char *href, unsigned char *target);
void map_selected(struct terminal *term, void *ld, void *ses_);
void go_back(struct session *, int);
void go_backwards(struct terminal *term, void *psteps, void *ses_);
void reload(struct session *, int);
void cleanup_session(struct session *);
void destroy_session(struct session *);
void ses_destroy_defered_jump(struct session *ses);
struct f_data_c *find_frame(struct session *ses, unsigned char *target, struct f_data_c *base);
/* Information about the current document */
unsigned char *get_current_url(struct session *, unsigned char *, size_t);
unsigned char *get_current_title(struct f_data_c *, unsigned char *, size_t);
/*unsigned char *get_current_link_url(struct session *, unsigned char *, size_t);*/
unsigned char *get_form_url(struct session *ses, struct f_data_c *f, struct form_control *form, int *onsubmit);
/* js.c */
#ifdef JS
struct javascript_context *js_create_context(void *, long);
void js_destroy_context(struct javascript_context *);
void js_execute_code(struct javascript_context *, unsigned char *, int, void (*)(void *));
#endif
/* jsint.c */
#ifdef JS
#define JS_OBJ_MASK 255
#define JS_OBJ_MASK_SIZE 8
#define JS_OBJ_T_UNKNOWN 0
#define JS_OBJ_T_DOCUMENT 1
#define JS_OBJ_T_FRAME 2 /* document a frame se tvari pro mne stejne --Brain */
#define JS_OBJ_T_LINK 3
#define JS_OBJ_T_FORM 4
#define JS_OBJ_T_ANCHOR 5
#define JS_OBJ_T_IMAGE 6
/* form elements */
#define JS_OBJ_T_TEXT 7
#define JS_OBJ_T_PASSWORD 8
#define JS_OBJ_T_TEXTAREA 9
#define JS_OBJ_T_CHECKBOX 10
#define JS_OBJ_T_RADIO 11
#define JS_OBJ_T_SELECT 12
#define JS_OBJ_T_SUBMIT 13
#define JS_OBJ_T_RESET 14
#define JS_OBJ_T_HIDDEN 15
#define JS_OBJ_T_BUTTON 16
extern long js_zaflaknuto_pameti;
extern struct history js_get_string_history;
extern int js_manual_confirmation;
struct js_state {
struct javascript_context *ctx; /* kontext beziciho javascriptu??? */
struct list_head queue; /* struct js_request - list of javascripts to run */
struct js_request *active; /* request is running */
unsigned char *src; /* zdrojak beziciho javascriptu??? */ /* mikulas: ne. to je zdrojak stranky */
int srclen;
int wrote;
int newdata;
};
/* funkce js_get_select_options vraci pole s temito polozkami */
struct js_select_item{
/* index je poradi v poli, ktere vratim, takze se tu nemusi skladovat */
int default_selected;
int selected;
unsigned char *text; /* text, ktery se zobrazuje */
unsigned char *value; /* value, ktera se posila */
};
struct fax_me_tender_string{
void *ident; /* struct f_data_c*, but JS doesn't know it ;-) */
unsigned char *string;
};
struct fax_me_tender_int_string{
void *ident; /* struct f_data_c*, but JS doesn't know it ;-) */
int num;
unsigned char *string;
};
struct fax_me_tender_string_2_longy{
void *ident; /* struct f_data_c*, but JS doesn't know it ;-) */
unsigned char *string;
long doc_id,obj_id;
};
struct fax_me_tender_2_stringy{
void *ident; /* struct f_data_c*, but JS doesn't know it ;-) */
unsigned char *string1;
unsigned char *string2;
};
struct fax_me_tender_nothing{
void *ident; /* struct f_data_c*, but JS doesn't know it ;-) */
};
extern tcount jsint_execute_seq;
void javascript_func(struct session *ses, unsigned char *code);
void jsint_run_queue(struct f_data_c *);
long *jsint_resolve(void *context, long obj_id, char *takhle_tomu_u_nas_nadavame,int *n_items);
int jsint_object_type(long);
void jsint_set_cookies(struct f_data_c *fd, int final_flush);
struct f_data_c *jsint_find_document(long doc_id);
void js_upcall_document_write(void *p, unsigned char *str, int len);
void js_upcall_alert(void *struct_fax_me_tender_string);
unsigned char *js_upcall_get_title(void *data);
void js_upcall_set_title(void *data, unsigned char *title);
unsigned char *js_upcall_get_location(void *data);
unsigned char *js_upcall_get_useragent(void *data);
void js_upcall_confirm(void *struct_fax_me_tender_string);
void js_upcall_get_string(void *data);
unsigned char *js_upcall_get_referrer(void *data);
unsigned char *js_upcall_get_appname(void);
unsigned char *js_upcall_get_appcodename(void);
unsigned char *js_upcall_get_appversion(void);
long js_upcall_get_document_id(void *data);
long js_upcall_get_window_id(void *data);
void js_upcall_close_window(void *struct_fax_me_tender_nothing);
unsigned char *js_upcall_document_last_modified(void *data, long document_id);
unsigned char *js_upcall_get_window_name(void *data);
void js_upcall_clear_window(void *);
long *js_upcall_get_links(void *data, long document_id, int *len);
unsigned char *js_upcall_get_link_target(void *data, long document_id, long link_id);
long *js_upcall_get_forms(void *data, long document_id, int *len);
unsigned char *js_upcall_get_form_action(void *data, long document_id, long form_id);
unsigned char *js_upcall_get_form_target(void *data, long document_id, long form_id);
unsigned char *js_upcall_get_form_method(void *data, long document_id, long form_id);
unsigned char *js_upcall_get_form_encoding(void *data, long document_id, long form_id);
unsigned char *js_upcall_get_location_protocol(void *data);
unsigned char *js_upcall_get_location_port(void *data);
unsigned char *js_upcall_get_location_hostname(void *data);
unsigned char *js_upcall_get_location_host(void *data);
unsigned char *js_upcall_get_location_pathname(void *data);
unsigned char *js_upcall_get_location_search(void *data);
unsigned char *js_upcall_get_location_hash(void *data);
long *js_upcall_get_form_elements(void *data, long document_id, long form_id, int *len);
long *js_upcall_get_anchors(void *hej_Hombre, long document_id, int *len);
int js_upcall_get_checkbox_radio_checked(void *smirak, long document_id, long radio_tv_id);
void js_upcall_set_checkbox_radio_checked(void *smirak, long document_id, long radio_tv_id, int value);
int js_upcall_get_checkbox_radio_default_checked(void *smirak, long document_id, long radio_tv_id);
void js_upcall_set_checkbox_radio_default_checked(void *smirak, long document_id, long radio_tv_id, int value);
unsigned char *js_upcall_get_form_element_name(void *smirak, long document_id, long ksunt_id);
void js_upcall_set_form_element_name(void *smirak, long document_id, long ksunt_id, unsigned char *name);
unsigned char *js_upcall_get_form_element_default_value(void *smirak, long document_id, long ksunt_id);
void js_upcall_set_form_element_default_value(void *smirak, long document_id, long ksunt_id, unsigned char *name);
void js_upcall_set_form_element_event_handler(void *bidak, long document_id, long ksunt_id, long typ, unsigned char *name);
unsigned char *js_upcall_get_form_element_value(void *smirak, long document_id, long ksunt_id);
void js_upcall_set_form_element_value(void *smirak, long document_id, long ksunt_id, unsigned char *name);
void js_upcall_click(void *smirak, long document_id, long elem_id);
void js_upcall_focus(void *smirak, long document_id, long elem_id);
void js_upcall_blur(void *smirak, long document_id, long elem_id);
void js_upcall_submit(void *bidak, long document_id, long form_id);
void js_upcall_reset(void *bidak, long document_id, long form_id);
int js_upcall_get_radio_length(void *smirak, long document_id, long radio_id); /* radio.length */
int js_upcall_get_select_length(void *smirak, long document_id, long select_id); /* select.length */
int js_upcall_get_select_index(void *smirak, long document_id, long select_id); /* select.selectedIndex */
struct js_select_item* js_upcall_get_select_options(void *smirak, long document_id, long select_id, int *n);
void js_upcall_goto_url(void* struct_fax_me_tender_string);
int js_upcall_get_history_length(void *context);
void js_upcall_goto_history(void* data);
void js_upcall_set_default_status(void *context, unsigned char *tak_se_ukaz_Kolbene);
unsigned char *js_upcall_get_default_status(void *context);
void js_upcall_set_status(void *context, unsigned char *tak_se_ukaz_Kolbene);
unsigned char *js_upcall_get_status(void *context);
unsigned char *js_upcall_get_cookies(void *context);
long *js_upcall_get_images(void *smirak, long document_id, int *len);
long * js_upcall_get_all(void *context, long document_id, int *len);
int js_upcall_get_image_width(void *smirak, long document_id, long image_id);
int js_upcall_get_image_height(void *smirak, long document_id, long image_id);
int js_upcall_get_image_border(void *smirak, long document_id, long image_id);
int js_upcall_get_image_vspace(void *smirak, long document_id, long image_id);
int js_upcall_get_image_hspace(void *smirak, long document_id, long image_id);
unsigned char *js_upcall_get_image_name(void *smirak, long document_id, long image_id);
unsigned char *js_upcall_get_image_alt(void *smirak, long document_id, long image_id);
void js_upcall_set_image_name(void *smirak, long document_id, long image_id, unsigned char *name);
void js_upcall_set_image_alt(void *smirak, long document_id, long image_id, unsigned char *alt);
unsigned char *js_upcall_get_image_src(void *smirak, long document_id, long image_id);
void js_upcall_set_image_src(void *chuligane);
int js_upcall_image_complete(void *smirak, long document_id, long image_id);
long js_upcall_get_parent(void *smirak, long frame_id);
long js_upcall_get_frame_top(void *smirak, long frame_id);
long * js_upcall_get_subframes(void *smirak, long frame_id, int *count);
void js_upcall_set_form_action(void *context, long document_id, long form_id, unsigned char *action);
void js_downcall_vezmi_true(void *context);
void js_downcall_vezmi_false(void *context);
void js_downcall_vezmi_null(void *context);
void js_downcall_game_over(void *context);
void js_downcall_quiet_game_over(void *context);
void js_downcall_vezmi_int(void *context, int i);
void js_downcall_vezmi_float(void*context,double f);
/*void js_downcall_vezmi_float(void *context, float f);*/
void js_downcall_vezmi_string(void *context, unsigned char *string);
#endif
void jsint_execute_code(struct f_data_c *, unsigned char *, int, int, int, int, struct links_event *);
void jsint_destroy(struct f_data_c *);
void jsint_scan_script_tags(struct f_data_c *);
int jsint_get_source(struct f_data_c *, unsigned char **, size_t *);
/* bfu.c */
extern struct style *bfu_style_wb, *bfu_style_bw, *bfu_style_wb_b, *bfu_style_bw_u, *bfu_style_bw_mono, *bfu_style_wb_mono, *bfu_style_wb_mono_u;
extern long bfu_bg_color, bfu_fg_color;
struct memory_list {
int n;
void *p[1];
};
struct memory_list *getml(void *, ...);
void add_to_ml(struct memory_list **, ...);
void freeml(struct memory_list *);
void init_bfu(void);
void shutdown_bfu(void);
#define DIALOG_LB gf_val(DIALOG_LEFT_BORDER + DIALOG_LEFT_INNER_BORDER + 1, G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE + 1 + G_DIALOG_LEFT_INNER_BORDER)
#define DIALOG_TB gf_val(DIALOG_TOP_BORDER + DIALOG_TOP_INNER_BORDER + 1, G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1 + G_DIALOG_TOP_INNER_BORDER)
#define LL gf_val(1, G_BFU_FONT_SIZE)
extern unsigned char m_bar;
#define M_BAR (&m_bar)
struct menu_item {
unsigned char *text;
unsigned char *rtext;
unsigned char *hotkey;
void (*func)(struct terminal *, void *, void *);
void *data;
int in_m;
int free_i;
};
#define MENU_FREE_ITEMS 1
#define MENU_FREE_TEXT 2
#define MENU_FREE_RTEXT 4
#define MENU_FREE_HOTKEY 8
#define MENU_FONT_LIST 32
#define MENU_FONT_LIST_BOLD 64
#define MENU_FONT_LIST_MONO 128
struct menu {
int selected;
int view;
int nview;
int xp, yp;
int x, y, xw, yw;
int ni;
void *data;
struct window *win;
struct menu_item *items;
#ifdef G
unsigned char **hktxt1;
unsigned char **hktxt2;
unsigned char **hktxt3;
int xl1, yl1, xl2, yl2;
#endif
void (*free_function)(void *);
void *free_data;
unsigned hotkeys[1];
};
struct mainmenu {
int selected;
int sp;
int ni;
void *data;
struct window *win;
struct menu_item *items;
#ifdef G
int xl1, yl1, xl2, yl2;
#endif
unsigned hotkeys[1];
};
struct history_item {
list_entry_1st
list_entry_last
unsigned char str[1];
};
struct history {
int n;
struct list_head items;
};
#define free_history(h) free_list(struct history_item, (h).items)
#define D_END 0
#define D_CHECKBOX 1
#define D_FIELD 2
#define D_FIELD_PASS 3
#define D_BUTTON 4
#define B_ENTER 1
#define B_ESC 2
struct dialog_item_data;
typedef void (*msg_button_fn)(void *);
typedef void (*input_field_button_fn)(void *, unsigned char *);
struct dialog_item {
int type;
int gid, gnum; /* for buttons: gid - flags B_XXX */ /* for fields: min/max */ /* for box: gid is box height */
int (*fn)(struct dialog_data *, struct dialog_item_data *);
struct history *history;
int dlen;
unsigned char *data;
void *udata; /* for box: holds list */
union {
msg_button_fn msg_fn;
input_field_button_fn input_fn;
} u;
unsigned char *text;
};
struct dialog_item_data {
int x, y, l;
int vpos, cpos;
int checked;
struct dialog_item *item;
struct list_head history;
struct list_head *cur_hist;
unsigned char *cdata;
};
#define EVENT_PROCESSED 0
#define EVENT_NOT_PROCESSED 1
struct dialog {
unsigned char *title;
void (*fn)(struct dialog_data *);
int (*handle_event)(struct dialog_data *, struct links_event *);
void (*abort)(struct dialog_data *);
void *udata;
void *udata2;
int align;
void (*refresh)(void *);
void *refresh_data;
struct dialog_item items[1];
};
struct dialog_data {
struct window *win;
struct dialog *dlg;
int x, y, xw, yw;
int n;
int selected;
struct memory_list *ml;
int brl_y;
#ifdef G
struct rect_set *s;
struct rect r;
struct rect rr;
#endif
struct dialog_item_data items[1];
};
struct menu_item *new_menu(int);
void add_to_menu(struct menu_item **, unsigned char *, unsigned char *, unsigned char *, void (*)(struct terminal *, void *, void *), void *, int, int);
void do_menu(struct terminal *, struct menu_item *, void *);
void do_menu_selected(struct terminal *, struct menu_item *, void *, int, void (*)(void *), void *);
void do_mainmenu(struct terminal *, struct menu_item *, void *, int);
void do_dialog(struct terminal *, struct dialog *, struct memory_list *);
void dialog_func(struct window *, struct links_event *, int);
int check_number(struct dialog_data *, struct dialog_item_data *);
int check_hex_number(struct dialog_data *, struct dialog_item_data *);
int check_float(struct dialog_data *, struct dialog_item_data *);
int check_nonempty(struct dialog_data *, struct dialog_item_data *);
int check_local_ip_address(struct dialog_data *, struct dialog_item_data *);
int check_local_ipv6_address(struct dialog_data *, struct dialog_item_data *);
void max_text_width(struct terminal *, unsigned char *, int *, int);
void min_text_width(struct terminal *, unsigned char *, int *, int);
int dlg_format_text(struct dialog_data *, struct terminal *, unsigned char *, int, int *, int, int *, unsigned char, int);
void dlg_format_text_and_field(struct dialog_data *, struct terminal *, unsigned char *, struct dialog_item_data *, int, int *, int, int *, unsigned char, int);
void max_buttons_width(struct terminal *, struct dialog_item_data *, int, int *);
void min_buttons_width(struct terminal *, struct dialog_item_data *, int, int *);
void dlg_format_buttons(struct dialog_data *, struct terminal *, struct dialog_item_data *, int, int, int *, int, int *, int);
void checkboxes_width(struct terminal *, unsigned char * const *, int, int *, void (*)(struct terminal *, unsigned char *, int *, int));
void dlg_format_checkbox(struct dialog_data *, struct terminal *, struct dialog_item_data *, int, int *, int, int *, unsigned char *);
void dlg_format_checkboxes(struct dialog_data *, struct terminal *, struct dialog_item_data *, int, int, int *, int, int *, unsigned char * const *);
void dlg_format_field(struct dialog_data *, struct terminal *, struct dialog_item_data *, int, int *, int, int *, int);
void max_group_width(struct terminal *, unsigned char * const *, struct dialog_item_data *, int, int *);
void min_group_width(struct terminal *, unsigned char * const *, struct dialog_item_data *, int, int *);
void dlg_format_group(struct dialog_data *, struct terminal *, unsigned char * const *, struct dialog_item_data *, int, int, int *, int, int *);
/*void dlg_format_box(struct terminal *, struct terminal *, struct dialog_item_data *, int, int *, int, int *, int);*/
void checkbox_list_fn(struct dialog_data *);
void group_fn(struct dialog_data *);
void center_dlg(struct dialog_data *);
void draw_dlg(struct dialog_data *);
void display_dlg_item(struct dialog_data *, struct dialog_item_data *, int);
int check_dialog(struct dialog_data *);
void get_dialog_data(struct dialog_data *);
int ok_dialog(struct dialog_data *, struct dialog_item_data *);
int cancel_dialog(struct dialog_data *, struct dialog_item_data *);
void msg_box_fn(struct dialog_data *dlg);
void msg_box_null(void *);
#define MSG_BOX_END ((unsigned char *)NULL)
void msg_box(struct terminal *, struct memory_list *, unsigned char *, int, /*unsigned char *, void *, int,*/ ...);
/* msg_box arguments:
* terminal,
* blocks to free,
* title,
* alignment,
* strings (followed by MSG_BOX_END),
* data for function,
* number of buttons,
* button title, function, hotkey,
* ... other buttons
*/
void input_field_null(void *d_, unsigned char *s_);
void input_field(struct terminal *, struct memory_list *, unsigned char *, unsigned char *, void *, struct history *, int, unsigned char *, int, int, int (*)(struct dialog_data *, struct dialog_item_data *), int n, ...);
/* input_field arguments:
* terminal,
* blocks to free,
* title,
* question,
* data for functions,
* history,
* length,
* string to fill the dialog with,
* minimal value,
* maximal value,
* check_function,
* the number of buttons,
* OK button text,
* ok function,
* CANCEL button text,
* cancel function,
*
* field can have multiple buttons and functions, and finally NULL
* (warning: if there's no cancel function, there will be two NULLs in
* a call). Functions have type
* void (*fn)(void *data, unsigned char *text), only the last one has type
* void (*fn)(void *data). Check it carefully because the compiler wont!
*/
void add_to_history(struct terminal *, struct history *, unsigned char *);
int find_msg_box(struct terminal *term, unsigned char *title, int (*sel)(void *, void *), void *data);
/* menu.c */
extern struct history goto_url_history;
void activate_keys(struct session *ses);
void reset_settings_for_tor(void);
int save_proxy(int charset, unsigned char *result, unsigned char *proxy);
int save_noproxy_list(int charset, unsigned char *result, unsigned char *noproxy_list);
void dialog_html_options(struct session *ses);
void activate_bfu_technology(struct session *, int);
void dialog_goto_url(struct session *ses, unsigned char *url);
void dialog_save_url(struct session *ses);
void free_history_lists(void);
void query_file(struct session *, unsigned char *, unsigned char *, void (*)(struct session *, unsigned char *, int), void (*)(void *), int);
#define DOWNLOAD_DEFAULT 0
#define DOWNLOAD_OVERWRITE 1
#define DOWNLOAD_CONTINUE 2
void search_dlg(struct session *, struct f_data_c *, int);
void search_back_dlg(struct session *, struct f_data_c *, int);
void exit_prog(struct terminal *, void *, void *);
void really_exit_prog(void *ses_);
void query_exit(struct session *ses);
/* charsets.c */
#include "codepage.h"
extern int utf8_table;
struct conv_table {
int t;
union {
unsigned char *str;
struct conv_table *tbl;
} u;
};
struct conv_table *get_translation_table(int, int);
static inline int is_entity_terminator(unsigned char c) { return c <= ' ' || c == ';' || c == '&' || c == '/' || c == '?'; }
int get_entity_number(unsigned char *st, int l);
unsigned char *get_entity_string(unsigned char *, int, int);
unsigned char *convert_string(struct conv_table *, unsigned char *, int, struct document_options *);
unsigned char *convert(int from, int to, unsigned char *c, struct document_options *dopt);
int get_cp_index(unsigned char *);
unsigned char *get_cp_name(int);
unsigned char *get_cp_mime_name(int);
void free_conv_table(void);
unsigned char *encode_utf_8(int);
unsigned char *u2cp(int u, int to, int fallback);
int cp2u(unsigned, int);
unsigned uni_locase(unsigned);
unsigned charset_upcase(unsigned, int);
unsigned uni_upcase(unsigned);
void charset_upcase_string(unsigned char **, int);
unsigned char *unicode_upcase_string(unsigned char *ch);
unsigned char *to_utf8_upcase(unsigned char *str, int cp);
int compare_case_utf8(unsigned char *u1, unsigned char *u2);
int strlen_utf8(unsigned char *s);
unsigned char *cp_strchr(int charset, unsigned char *str, unsigned chr);
void init_charset(void);
unsigned get_utf_8(unsigned char **p);
#define GET_UTF_8(s, c) \
do { \
if ((unsigned char)(s)[0] < 0x80) \
(c) = (s)++[0]; \
else if ((unsigned char)(s)[0] >= 0xc2 && (unsigned char)(s)[0] < 0xe0 &&\
((unsigned char)(s)[1] & 0xc0) == 0x80) { \
(c) = (unsigned char)(s)[0] * 0x40 + (unsigned char)(s)[1], (c) -= 0x3080, (s) += 2;\
} else \
(c) = get_utf_8(&(s)); \
} while (0)
#define FWD_UTF_8(s) \
do { \
if ((unsigned char)(s)[0] < 0x80) \
(s)++; \
else \
get_utf_8(&(s)); \
} while (0)
#define BACK_UTF_8(p, b) \
do { \
while ((p) > (b)) { \
(p)--; \
if ((*(p) & 0xc0) != 0x80) \
break; \
} \
} while (0)
int cp_len(int cp, unsigned char *s);
extern unsigned char utf_8_1[256];
static inline int utf8chrlen(unsigned char c)
{
unsigned char l = utf_8_1[c];
if (l == 7) return 1;
return 7 - l;
}
static inline unsigned GET_TERM_CHAR(struct terminal *term, unsigned char **str)
{
unsigned ch;
#if defined(G) || defined(ENABLE_UTF8)
if (term_charset(term) == utf8_table)
GET_UTF_8(*str, ch);
else
#endif
ch = *(*str)++;
return ch;
}
/* view.c */
unsigned char *textptr_add(unsigned char *t, int i, int cp);
int textptr_diff(unsigned char *t2, unsigned char *t1, int cp);
extern int ismap_link, ismap_x, ismap_y;
void frm_download(struct session *, struct f_data_c *);
void frm_download_image(struct session *, struct f_data_c *);
void frm_view_image(struct session *, struct f_data_c *);
struct format_text_cache_entry *format_text(struct f_data_c *fd, struct form_control *fc, struct form_state *fs);
int area_cursor(struct f_data_c *f, struct form_control *fc, struct form_state *fs);
struct form_state *find_form_state(struct f_data_c *, struct form_control *);
void fixup_select_state(struct form_control *fc, struct form_state *fs);
int enter(struct session *ses, struct f_data_c *f, int a);
int field_op(struct session *ses, struct f_data_c *f, struct link *l, struct links_event *ev);
int can_open_in_new(struct terminal *);
void open_in_new_window(struct terminal *, void *fn_, void *ses_);
extern void (* const send_open_new_xterm_ptr)(struct terminal *, void *fn_, void *ses_);
void destroy_fc(struct form_control *);
void sort_links(struct f_data *);
void free_format_text_cache_entry(struct form_state *fs);
struct view_state *create_vs(void);
void destroy_vs(struct view_state *);
int dump_to_file(struct f_data *, int);
void check_vs(struct f_data_c *);
void draw_doc(struct terminal *t, void *scr_);
void draw_formatted(struct session *);
void draw_fd(struct f_data_c *);
void next_frame(struct session *, int);
void send_event(struct session *, struct links_event *);
void link_menu(struct terminal *, void *, void *);
void save_as(struct terminal *, void *, void *);
void save_url(void *, unsigned char *);
void menu_save_formatted(struct terminal *, void *, void *);
void copy_url_location(struct terminal *, void *, void *);
void selected_item(struct terminal *, void *, void *);
void toggle(struct session *, struct f_data_c *, int);
void do_for_frame(struct session *, void (*)(struct session *, struct f_data_c *, int), int);
int get_current_state(struct session *);
unsigned char *print_current_link(struct session *);
unsigned char *print_current_title(struct session *);
void loc_msg(struct terminal *, struct location *, struct f_data_c *);
void state_msg(struct session *);
void head_msg(struct session *);
void search_for(void *, unsigned char *);
void search_for_back(void *, unsigned char *);
void find_next(struct session *, struct f_data_c *, int);
void find_next_back(struct session *, struct f_data_c *, int);
void set_frame(struct session *, struct f_data_c *, int);
struct f_data_c *current_frame(struct session *);
void reset_form(struct f_data_c *f, int form_num);
void set_textarea(struct session *, struct f_data_c *, int);
void copy_js_event_spec(struct js_event_spec **, struct js_event_spec *);
int join_js_event_spec(struct js_event_spec **, struct js_event_spec *);
void free_js_event_spec(struct js_event_spec *);
void create_js_event_spec(struct js_event_spec **);
int compare_js_event_spec(struct js_event_spec *, struct js_event_spec *);
unsigned char *print_js_event_spec(struct js_event_spec *);
/* font_inc.c */
#ifdef G
extern struct letter letter_data[];
extern struct font font_table[];
#endif
/* gif.c */
#ifdef G
void gif_destroy_decoder(struct cached_image *);
void gif_start(struct cached_image *goi);
void gif_restart(unsigned char *data, int length);
void xbm_start(struct cached_image *goi);
void xbm_restart(struct cached_image *goi, unsigned char *data, int length);
#endif
/* png.c */
#ifdef G
void png_start(struct cached_image *cimg);
void png_restart(struct cached_image *cimg, unsigned char *data, int length);
void png_destroy_decoder(struct cached_image *cimg);
void add_png_version(unsigned char **s, int *l);
#endif /* #ifdef G */
/* tiff.c */
#if defined(G) && defined(HAVE_TIFF)
void tiff_start(struct cached_image *cimg);
void tiff_restart(struct cached_image *cimg, unsigned char *data, int length);
void tiff_finish(struct cached_image *cimg);
void tiff_destroy_decoder(struct cached_image *cimg);
void add_tiff_version(unsigned char **s, int *l);
#endif /* #if defined(G) && defined(HAVE_TIFF) */
/* svg.c */
#if defined(G) && defined(HAVE_SVG)
void svg_start(struct cached_image *cimg);
void svg_restart(struct cached_image *cimg, unsigned char *data, int length);
void svg_finish(struct cached_image *cimg);
void svg_destroy_decoder(struct cached_image *cimg);
void add_svg_version(unsigned char **s, int *l);
#endif
/* webp.c */
#if defined(G) && defined(HAVE_WEBP)
void webp_start(struct cached_image *cimg);
void webp_restart(struct cached_image *cimg, unsigned char *data, int length);
void webp_finish(struct cached_image *cimg);
void webp_destroy_decoder(struct cached_image *cimg);
void add_webp_version(unsigned char **s, int *l);
#endif
/* avif.c */
#if defined(G) && defined(HAVE_AVIF)
void avif_start(struct cached_image *cimg);
void avif_restart(struct cached_image *cimg, unsigned char *data, int length);
void avif_finish(struct cached_image *cimg);
void avif_destroy_decoder(struct cached_image *cimg);
void add_avif_version(unsigned char **s, int *l);
#endif
/* img.c */
#ifdef G
struct image_description {
unsigned char *url; /* url=completed url */
int xsize, ysize; /* -1 --- unknown size. Space:pixel
space of the screen */
int link_num;
int link_order;
unsigned char *name;
unsigned char *alt;
unsigned char *src; /* reflects the src attribute */
int border, vspace, hspace;
int align;
int ismap;
int insert_flag; /* pokud je 1, ma se vlozit do seznamu obrazku ve f_data */
unsigned char *usemap;
unsigned autoscale_x, autoscale_y; /* Requested autoscale dimensions
(maximum allowed rectangle), 0,0
means turned off. 0,something or
something,0 not allowed. */
};
extern int end_callback_hit;
extern struct cached_image *global_cimg;
/* Below are internal functions shared with imgcache.c, gif.c, and xbm.c */
int header_dimensions_known(struct cached_image *cimg);
void img_end(struct cached_image *cimg);
void compute_background_8(struct cached_image *cimg, unsigned char rgb[3]);
void buffer_to_bitmap_incremental(struct cached_image *cimg, unsigned char *buffer, ssize_t height, ssize_t yoff, int *dregs, int use_strip);
/* Below is external interface provided by img.c */
struct g_part;
int get_foreground(int rgb);
struct g_object_image *insert_image(struct g_part *p, struct image_description *im);
void change_image (struct g_object_image *goi, unsigned char *url, unsigned char *src, struct f_data *fdata);
void img_destruct_cached_image(struct cached_image *img);
#endif
/* jpeg.c */
#if defined(G) && defined(HAVE_JPEG)
/* Functions exported by jpeg.c for higher layers */
void jpeg_start(struct cached_image *cimg);
void jpeg_restart(struct cached_image *cimg, unsigned char *data, int length);
void jpeg_destroy_decoder(struct cached_image *cimg);
void add_jpeg_version(unsigned char **s, int *l);
#endif /* #if defined(G) && defined(HAVE_JPEG) */
int known_image_type(unsigned char *type);
/* imgcache.c */
#ifdef G
void init_imgcache(void);
my_uintptr_t imgcache_info(int type);
struct cached_image *find_cached_image(int bg, unsigned char *url, int xw, int
yw, int xyw_meaning, int scale, unsigned aspect);
void add_image_to_cache(struct cached_image *ci);
void deref_cached_image(struct cached_image *ci);
#endif
/* view_gr.c */
#ifdef G
/* intersection of 2 intervals s=start, l=len (len 0 is empty interval) */
static inline void intersect(int s1, int l1, int s2, int l2, int *s3, int *l3)
{
int e1 = s1 + l1;
int e2 = s2 + l2;
int e3;
if (e1 < s1) { int tmp = s1; s1 = e1; e1 = tmp; }
if (e2 < s2) { int tmp = s2; s2 = e2; e2 = tmp; }
if (!l1 || !l2)
goto intersect_empty;
if (s1 <= s2 && s2 <= e1)
*s3 = s2;
else if (s2 < s1)
*s3 = s1;
else
goto intersect_empty;
if (s1 <= e2 && e2 <= e1)
e3 = e2;
else if (e2 > e1)
e3 = e1;
else
goto intersect_empty;
*l3 = e3 - *s3;
return;
intersect_empty:
*s3 = 0;
*l3 = 0;
}
int g_forward_mouse(struct f_data_c *fd, struct g_object *a, int x, int y, int b);
void draw_vscroll_bar(struct graphics_device *dev, int x, int y, int yw, int total, int view, int pos);
void draw_hscroll_bar(struct graphics_device *dev, int x, int y, int xw, int total, int view, int pos);
void get_scrollbar_pos(int dsize, int total, int vsize, int vpos, int *start, int *end);
void get_parents(struct f_data *f, struct g_object *a);
void g_dummy_mouse(struct f_data_c *, struct g_object *, int, int, int);
void g_text_mouse(struct f_data_c *, struct g_object *, int, int, int);
void g_line_mouse(struct f_data_c *, struct g_object *, int, int, int);
void g_area_mouse(struct f_data_c *, struct g_object *, int, int, int);
void g_dummy_draw(struct f_data_c *, struct g_object *, int, int);
void g_text_draw(struct f_data_c *, struct g_object *, int, int);
void g_line_draw(struct f_data_c *, struct g_object *, int, int);
void g_area_draw(struct f_data_c *, struct g_object *, int, int);
void g_tag_destruct(struct g_object *);
void g_text_destruct(struct g_object *);
void g_line_destruct(struct g_object *);
void g_line_bg_destruct(struct g_object *);
void g_area_destruct(struct g_object *);
void g_line_get_list(struct g_object *, void (*)(struct g_object *parent, struct g_object *child));
void g_area_get_list(struct g_object *, void (*)(struct g_object *parent, struct g_object *child));
void draw_one_object(struct f_data_c *fd, struct g_object *o);
void draw_title(struct f_data_c *f);
void draw_graphical_doc(struct terminal *t, struct f_data_c *scr, int active);
int g_next_link(struct f_data_c *fd, int dir, int do_scroll);
int g_frame_ev(struct session *ses, struct f_data_c *fd, struct links_event *ev);
void g_find_next(struct f_data_c *f, int);
int is_link_in_view(struct f_data_c *fd, int nl);
void init_grview(void);
#endif
/* html.c */
#define AT_BOLD 1
#define AT_ITALIC 2
#define AT_UNDERLINE 4
#define AT_FIXED 8
#define AT_GRAPHICS 16
#define AT_INVERT 32
#define AT_STRIKE 64
#define AL_LEFT 0
#define AL_CENTER 1
#define AL_RIGHT 2
#define AL_BLOCK 3
#define AL_NO 4
#define AL_NO_BREAKABLE 5
#define AL_BOTTOM 6
#define AL_MIDDLE 7
#define AL_TOP 8
#define AL_MASK 0x1f
#define AL_NOBRLEXP 0x20
#define AL_MONO 0x40
struct text_attrib_beginning {
int attr;
struct rgb fg;
struct rgb bg;
int fontsize;
int baseline;
};
struct text_attrib {
int attr;
struct rgb fg;
struct rgb bg;
int fontsize;
int baseline;
unsigned char *fontface;
unsigned char *link;
unsigned char *target;
unsigned char *image;
struct js_event_spec *js_event;
struct form_control *form;
struct rgb clink;
unsigned char *href_base;
unsigned char *target_base;
unsigned char *select;
int select_disabled;
};
#define P_NUMBER 1
#define P_alpha 2
#define P_ALPHA 3
#define P_roman 4
#define P_ROMAN 5
#define P_STAR 1
#define P_O 2
#define P_PLUS 3
#define P_LISTMASK 7
#define P_COMPACT 8
struct par_attrib {
int align;
int leftmargin;
int rightmargin;
int width;
int list_level;
unsigned list_number;
int dd_margin;
int flags;
struct rgb bgcolor;
int implicit_pre_wrap;
};
struct html_element {
list_entry_1st
struct text_attrib attr;
struct par_attrib parattr;
#define INVISIBLE 1
#define INVISIBLE_SCRIPT 2
#define INVISIBLE_STYLE 3
int invisible;
unsigned char *name;
int namelen;
unsigned char *options;
int linebreak;
int dontkill;
struct frameset_desc *frameset;
list_entry_last
};
extern int get_attr_val_nl;
extern struct list_head html_stack;
extern int line_breax;
extern int html_format_changed;
extern unsigned char *startf;
extern unsigned char *eofff;
#define html_top_ list_struct(html_stack.next, struct html_element)
#ifndef DEBUG
#define html_top (*html_top_)
#else
static inline void empty_html_stack(unsigned char *file, int line)
{
errfile = file;
errline = line;
int_error("empty html stack");
}
#define html_top (*(list_empty(html_stack) ? empty_html_stack(cast_uchar __FILE__, __LINE__), html_top_ : html_top_))
#endif
#define format_ (html_top.attr)
#define par_format (html_top.parattr)
extern void *ff;
extern void (*put_chars_f)(void *, unsigned char *, int);
extern void (*line_break_f)(void *);
extern void *(*special_f)(void *, int, ...);
extern int table_level;
extern int empty_format;
extern struct form form;
extern unsigned char *last_form_tag;
extern unsigned char *last_form_attr;
extern unsigned char *last_input_tag;
extern unsigned char *last_link;
extern unsigned char *last_image;
extern unsigned char *last_target;
extern struct form_control *last_form;
extern struct js_event_spec *last_js_event;
extern int js_fun_depth;
extern int js_memory_limit;
int parse_element(unsigned char *, unsigned char *, unsigned char **, int *, unsigned char **, unsigned char **);
unsigned char *get_attr_val(unsigned char *, unsigned char *);
int has_attr(unsigned char *, unsigned char *);
int get_num(unsigned char *, unsigned char *);
int get_width(unsigned char *, unsigned char *, int);
int get_color(unsigned char *, unsigned char *, struct rgb *);
int get_bgcolor(unsigned char *, struct rgb *);
void html_stack_dup(void);
void kill_html_stack_item(struct html_element *);
int should_skip_script(unsigned char *);
unsigned char *skip_comment(unsigned char *, unsigned char *);
void parse_html(unsigned char *, unsigned char *, void (*)(void *, unsigned char *, int), void (*)(void *), void *(*)(void *, int, ...), void *, unsigned char *);
int get_image_map(unsigned char *, unsigned char *, unsigned char *, unsigned char *a, struct menu_item **, struct memory_list **, unsigned char *, unsigned char *, int, int, int, int gfx);
void scan_http_equiv(unsigned char *, unsigned char *, unsigned char **, int *, unsigned char **, unsigned char **, unsigned char **, int *, struct js_event_spec **);
int decode_color(unsigned char *, struct rgb *);
#define SP_TAG 0
#define SP_CONTROL 1
#define SP_TABLE 2
#define SP_USED 3
#define SP_FRAMESET 4
#define SP_FRAME 5
#define SP_SCRIPT 6
#define SP_IMAGE 7
#define SP_NOWRAP 8
#define SP_REFRESH 9
#define SP_SET_BASE 10
#define SP_FORCE_BREAK 11
#define SP_HR 12
struct frameset_param {
struct frameset_desc *parent;
int x, y;
int *xw, *yw;
};
#define SCROLLING_NO 0
#define SCROLLING_YES 1
#define SCROLLING_AUTO 2
struct frame_param {
struct frameset_desc *parent;
unsigned char *name;
unsigned char *url;
int marginwidth;
int marginheight;
unsigned char scrolling;
};
struct refresh_param {
unsigned char *url;
int time;
};
struct hr_param {
int size;
int width;
};
void free_menu(struct menu_item *);
void do_select_submenu(struct terminal *, void *, void *);
void clr_white(unsigned char *name);
void clr_spaces(unsigned char *name, int firstlast);
/* html_r.c */
extern int g_ctrl_num;
extern struct conv_table *convert_table;
struct part {
int x, y;
int xp, yp;
int xmax;
int xa;
int cx, cy;
struct f_data *data;
int attribute;
unsigned char *spaces;
int z_spaces;
int spl;
int link_num;
struct list_head uf;
#ifdef ENABLE_UTF8
unsigned char utf8_part[7];
unsigned char utf8_part_len;
#endif
};
#ifdef G
struct g_part {
int x, y;
int xmax;
int cx, cy;
int cx_w;
struct g_object_area *root;
struct g_object_line *line;
struct g_object_text *text;
int pending_text_len;
struct wrap_struct w;
struct style *current_style;
struct f_data *data;
int link_num;
struct list_head uf;
};
#endif
struct sizes {
int xmin, xmax, y;
};
extern struct f_data *current_f_data;
void free_additional_files(struct additional_files **);
void free_frameset_desc(struct frameset_desc *);
struct frameset_desc *copy_frameset_desc(struct frameset_desc *);
struct f_data *init_formatted(struct document_options *);
void destroy_formatted(struct f_data *);
/* d_opt je podle Mikulase nedefinovany mimo html parser, tak to jinde nepouzivejte
*
* -- Brain
*/
extern struct document_options dd_opt;
extern struct document_options *d_opt;
extern int margin;
int find_nearest_color(struct rgb *r, int l);
int fg_color(int fg, int bg);
void xxpand_line(struct part *, int, int);
void xxpand_lines(struct part *, int);
void xset_hchar(struct part *, int, int, unsigned, unsigned char);
void xset_hchars(struct part *, int, int, int, unsigned, unsigned char);
void html_tag(struct f_data *, unsigned char *, int, int);
void process_script(struct f_data *, unsigned char *);
void set_base(struct f_data *, unsigned char *);
void html_process_refresh(struct f_data *, unsigned char *, int );
int compare_opt(struct document_options *, struct document_options *);
void copy_opt(struct document_options *, struct document_options *);
struct link *new_link(struct f_data *);
struct conv_table *get_convert_table(unsigned char *, int, int, int *, int *, int);
struct part *format_html_part(unsigned char *, unsigned char *, int, int, int, struct f_data *, int, int, unsigned char *, int);
void really_format_html(struct cache_entry *, unsigned char *, unsigned char *, struct f_data *, int frame);
struct link *get_link_at_location(struct f_data *f, int x, int y);
int get_search_data(struct f_data *);
struct frameset_desc *create_frameset(struct f_data *fda, struct frameset_param *fp);
void create_frame(struct frame_param *fp);
/* html_gr.c */
#ifdef G
void release_image_map(struct image_map *map);
int is_in_area(struct map_area *a, int x, int y);
struct background *g_get_background(unsigned char *bg, unsigned char *bgcolor);
void g_release_background(struct background *bg);
void g_draw_background(struct graphics_device *dev, struct background *bg, int x, int y, int xw, int yw);
void g_x_extend_area(struct g_object_area *a, int width, int height, int align);
struct g_part *g_format_html_part(unsigned char *, unsigned char *, int, int, int, unsigned char *, int, unsigned char *, unsigned char *, struct f_data *);
void g_release_part(struct g_part *);
int g_get_area_width(struct g_object_area *o);
void add_object(struct g_part *pp, struct g_object *o);
void add_object_to_line(struct g_part *pp, struct g_object_line **lp,
struct g_object *go);
void flush_pending_text_to_line(struct g_part *p);
void flush_pending_line_to_obj(struct g_part *p, int minheight);
#endif
/* html_tbl.c */
unsigned char *skip_element(unsigned char *, unsigned char *, unsigned char *, int);
void format_table(unsigned char *, unsigned char *, unsigned char *, unsigned char **, void *);
void table_bg(struct text_attrib *ta, unsigned char bgstr[8]);
void *find_table_cache_entry(unsigned char *start, unsigned char *end, int align, int m, int width, int xs, int link_num);
void add_table_cache_entry(unsigned char *start, unsigned char *end, int align, int m, int width, int xs, int link_num, void *p);
/* default.c */
extern int ggr;
extern int force_g;
extern unsigned char ggr_drv[MAX_STR_LEN];
extern unsigned char ggr_mode[MAX_STR_LEN];
extern unsigned char ggr_display[MAX_STR_LEN];
extern unsigned char default_target[MAX_STR_LEN];
unsigned char *parse_options(int, char *[]);
void init_home(void);
unsigned char *get_token(unsigned char **line);
void add_quoted_to_str(unsigned char **s, int *l, unsigned char *q);
unsigned char *read_config_file(unsigned char *);
void delete_config_file(unsigned char *);
int write_to_config_file(unsigned char *, unsigned char *, int);
void load_config(void);
void write_config(struct terminal *);
void write_html_config(struct terminal *);
void end_config(void);
void load_url_history(void);
void save_url_history(void);
struct driver_param {
list_entry_1st
int kbd_codepage;
int palette_mode;
unsigned char *param;
unsigned char shell_term[MAX_STR_LEN];
int nosave;
list_entry_last
unsigned char name[1];
};
/* -if exec is NULL, shell_term is unused
-otherwise this string describes shell to be executed by the
exec function, the '%' char means string to be executed
-shell cannot be NULL
-if exec is !NULL and shell is empty, exec should use some
default shell (e.g. "xterm -e %")
*/
struct driver_param *get_driver_param(unsigned char *);
extern int anonymous;
extern unsigned char system_name[];
extern unsigned char compiler_name[];
extern unsigned char *links_home;
extern int first_use;
extern int disable_libevent;
extern int disable_openmp;
extern int no_connect;
extern int base_session;
#define D_DUMP 1
#define D_SOURCE 2
extern int dmp;
extern int screen_width;
extern int dump_codepage;
extern int force_html;
extern int max_connections;
extern int max_connections_to_host;
extern int max_tries;
extern int receive_timeout;
extern int unrestartable_receive_timeout;
extern int timeout_multiple_addresses;
extern unsigned char bind_ip_address[16];
extern unsigned char bind_ipv6_address[INET6_ADDRSTRLEN];
extern int download_utime;
extern int max_format_cache_entries;
extern int memory_cache_size;
extern int image_cache_size;
extern int font_cache_size;
extern int aggressive_cache;
struct ipv6_options {
int addr_preference;
};
#define ADDR_PREFERENCE_DEFAULT 0
#define ADDR_PREFERENCE_IPV4 1
#define ADDR_PREFERENCE_IPV6 2
#define ADDR_PREFERENCE_IPV4_ONLY 3
#define ADDR_PREFERENCE_IPV6_ONLY 4
extern struct ipv6_options ipv6_options;
#define REFERER_NONE 0
#define REFERER_SAME_URL 1
#define REFERER_FAKE 2
#define REFERER_REAL 3
#define REFERER_REAL_SAME_SERVER 4
struct proxies {
unsigned char http_proxy[MAX_STR_LEN];
unsigned char ftp_proxy[MAX_STR_LEN];
unsigned char https_proxy[MAX_STR_LEN];
unsigned char socks_proxy[MAX_STR_LEN];
unsigned char dns_append[MAX_STR_LEN];
unsigned char no_proxy[MAX_STR_LEN];
int only_proxies;
};
extern struct proxies proxies;
#define SSL_ACCEPT_INVALID_CERTIFICATE 0
#define SSL_WARN_ON_INVALID_CERTIFICATE 1
#define SSL_REJECT_INVALID_CERTIFICATE 2
struct ssl_options {
int certificates;
int built_in_certificates;
unsigned char client_cert_key[MAX_STR_LEN];
unsigned char client_cert_crt[MAX_STR_LEN];
unsigned char client_cert_password[MAX_STR_LEN];
};
extern struct ssl_options ssl_options;
extern int async_lookup;
extern unsigned char dns_over_https[MAX_STR_LEN];
struct http_header_options {
int fake_firefox;
int do_not_track;
int referer;
unsigned char fake_referer[MAX_STR_LEN];
unsigned char fake_useragent[MAX_STR_LEN];
unsigned char extra_header[MAX_STR_LEN];
};
struct http_options {
int http10;
int allow_blacklist;
int no_accept_charset;
int no_compression;
int retry_internal_errors;
struct http_header_options header;
};
extern struct http_options http_options;
struct ftp_options {
unsigned char anon_pass[MAX_STR_LEN];
int passive_ftp;
int eprt_epsv;
int set_tos;
};
extern struct ftp_options ftp_options;
struct smb_options {
int allow_hyperlinks_to_smb;
};
extern struct smb_options smb_options;
extern unsigned char download_dir[];
#define SCRUB_HEADERS (proxies.only_proxies || http_options.header.fake_firefox)
#ifdef JS
extern int js_enable;
extern int js_verbose_errors;
extern int js_verbose_warnings;
extern int js_all_conversions;
extern int js_global_resolve;
#endif
extern double display_red_gamma,display_green_gamma,display_blue_gamma;
extern double user_gamma;
extern double bfu_aspect;
extern int display_optimize; /*0=CRT, 1=LCD RGB, 2=LCD BGR */
extern int dither_letters;
extern int dither_images;
extern int gamma_bits;
extern int overwrite_instead_of_scroll;
extern unsigned char font_file[MAX_STR_LEN];
extern unsigned char font_file_b[MAX_STR_LEN];
extern unsigned char font_file_m[MAX_STR_LEN];
extern unsigned char font_file_m_b[MAX_STR_LEN];
#ifdef USE_ITALIC
extern unsigned char font_file_i[MAX_STR_LEN];
extern unsigned char font_file_i_b[MAX_STR_LEN];
extern unsigned char font_file_i_m[MAX_STR_LEN];
extern unsigned char font_file_i_m_b[MAX_STR_LEN];
#endif
extern int menu_font_size;
extern unsigned G_BFU_FG_COLOR, G_BFU_BG_COLOR, G_SCROLL_BAR_AREA_COLOR, G_SCROLL_BAR_BAR_COLOR, G_SCROLL_BAR_FRAME_COLOR;
extern unsigned char bookmarks_file[MAX_STR_LEN];
extern int bookmarks_codepage;
extern int save_history;
extern int enable_cookies;
extern int save_cookies;
extern double max_cookie_age;
extern struct document_setup dds;
/* regexp.c */
char *regexp_replace(char *, char *, char *);
/* listedit.c */
#define TITLE_EDIT 0
#define TITLE_ADD 1
struct list {
list_entry_1st
unsigned char type;
/*
* bit 0: 0=item, 1=directory
* bit 1: directory is open (1)/closed (0); for item unused
* bit 2: 1=item is selected 0=item is not selected
*/
int depth;
struct list *fotr; /* ignored when list is flat */
list_entry_last
};
#ifdef __GNUC__
static inline struct list *list_next(struct list *l)
{
verify_list_entry(&l->list_entry);
return list_struct(l->list_entry.next, struct list);
}
static inline struct list *list_prev(struct list *l)
{
verify_list_entry(&l->list_entry);
return list_struct(l->list_entry.prev, struct list);
}
#else
#define list_next(l) (verify_list_entry(&(l)->list_entry), list_struct((l)->list_entry.next, struct list))
#define list_prev(l) (verify_list_entry(&(l)->list_entry), list_struct((l)->list_entry.prev, struct list))
#endif
#ifndef REORDER_LIST_ENTRIES
#define list_head_1st struct list head;
#define list_head_last
#else
#define list_head_1st
#define list_head_last struct list head;
#endif
struct list_description {
unsigned char type; /* 0=flat, 1=tree */
struct list *list; /* head of the list */
struct list *(*new_item)(void * /* data in internal format */); /* creates new item, does NOT add to the list */
void (*edit_item)(struct dialog_data *, struct list *, void (*)(struct dialog_data *, struct list *, struct list *, struct list_description *) /* ok function */, struct list * /* parameter for the ok_function */, unsigned char); /* must call call delete_item on the item after all */
void *(*default_value)(struct session *, unsigned char /* 0=item, 1=directory */); /* called when add button is pressed, allocates memory, return value is passed to the new_item function, new_item fills the item with this data */
void (*delete_item)(struct list *); /* delete item, if next and prev are not NULL adjusts pointers in the list */
void (*copy_item)(struct list * /* old */, struct list * /* new */); /* gets 2 allocated items, copies all item data except pointers from first item to second one, old data (in second item) will be destroyed */
unsigned char *(*type_item)(struct terminal *, struct list *, int /* 0=type whole item (e.g. when deleting item), 1=type only e.g title (in list window )*/); /* alllocates buffer and writes item into it */
struct list *(*find_item)(struct list *start_item, unsigned char *string, int direction /* 1 or -1 */); /* returns pointer to the first item matching given string or NULL if failed. Search starts at start_item including. */
struct history *search_history;
int codepage; /* codepage of all string */
int n_items; /* number of items in main window */
/* following items are string codes */
int item_description; /* e.g. "bookmark" or "extension" ... */
int already_in_use; /* e.g. "Bookmarks window is already open" */
int window_title; /* main window title */
int delete_dialog_title; /* e.g. "Delete bookmark dialog" */
int button; /* when there's no button button_fn is NULL */
void (*button_fn)(struct session *, struct list *); /* gets pointer to the item */
void (*save)(struct session *);
/* internal variables, should not be modified, initially set to 0 */
struct list *current_pos;
struct list *win_offset;
int win_pos;
int open; /* 0=closed, 1=open */
int modified; /* listedit reports 1 when the list was modified by user (and should be e.g. saved) */
struct dialog_data *dlg; /* current dialog, valid only when open==1 */
unsigned char *search_word;
int search_direction;
};
int test_list_window_in_use(struct list_description *ld, struct terminal *term);
int create_list_window(struct list_description *, struct list *, struct terminal *, struct session *);
void reinit_list_window(struct list_description *ld); /* reinitializes list window */
/* types.c */
struct list;
struct assoc {
list_head_1st
unsigned char *label;
unsigned char *ct;
unsigned char *prog;
int cons;
int xwin;
int block;
int ask;
int accept_http;
int accept_ftp;
int system;
list_head_last
};
struct extension {
list_head_1st
unsigned char *ext;
unsigned char *ct;
list_head_last
};
struct protocol_program {
list_entry_1st
unsigned char *prog;
int system;
list_entry_last
};
extern struct list assoc;
extern struct list extensions;
extern struct list_head mailto_prog;
extern struct list_head telnet_prog;
extern struct list_head tn3270_prog;
extern struct list_head mms_prog;
extern struct list_head magnet_prog;
extern struct list_head gopher_prog;
unsigned char *get_compress_by_extension(unsigned char *ext, unsigned char *ext_end);
unsigned char *get_content_type_by_extension(unsigned char *url);
unsigned char *get_content_type(unsigned char *, unsigned char *);
unsigned char *get_content_encoding(unsigned char *head, unsigned char *url, int just_ce);
unsigned char *encoding_2_extension(unsigned char *);
struct assoc *get_type_assoc(struct terminal *term, unsigned char *, int *);
int is_html_type(unsigned char *ct);
unsigned char *get_filename_from_header(unsigned char *head);
unsigned char *get_filename_from_url(unsigned char *, unsigned char *, int);
void menu_assoc_manager(struct terminal *, void *, void *);
void update_assoc(struct assoc *);
void menu_ext_manager(struct terminal *, void *, void *);
void update_ext(struct extension *);
void update_prog(struct list_head *, unsigned char *, int);
unsigned char *get_prog(struct list_head *);
void create_initial_extensions(void);
void free_types(void);
/* block.c */
/* URL blocking calls */
struct block {
list_head_1st
unsigned char *url;
list_head_last
};
extern struct list blocks;
int is_url_blocked(unsigned char* url);
void block_url_query(struct session *ses, unsigned char *u);
void* block_url_add(void *ses_, unsigned char *url);
void block_manager(struct terminal *term, void *fcp, void *ses_);
void init_blocks(void);
void free_blocks(void);
/* bookmark.c */
/* Where all bookmarks are kept */
extern struct list bookmarks;
void finalize_bookmarks(void); /* called, when exiting links */
void init_bookmarks(void); /* called at start */
void reinit_bookmarks(struct session *ses, unsigned char *new_bookmarks_file, int new_bookmarks_codepage);
/* Launches bookmark manager */
void menu_bookmark_manager(struct terminal *, void *, void *);
#endif /* #ifndef LINKS_H */
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