Add mkdirat(2).
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5 changed files with 47 additions and 4 deletions
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@ -167,6 +167,7 @@ link.o \
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localeconv.o \
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localeconv.o \
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lseek.o \
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lseek.o \
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memstat.o \
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memstat.o \
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mkdirat.o \
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mkdir.o \
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mkdir.o \
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mktemp.o \
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mktemp.o \
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on_exit.o \
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on_exit.o \
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@ -52,6 +52,7 @@ int fstat(int fd, struct stat* st);
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int fstatat(int dirfd, const char* path, struct stat* buf, int flags);
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int fstatat(int dirfd, const char* path, struct stat* buf, int flags);
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int lstat(const char* restrict path, struct stat* restrict st);
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int lstat(const char* restrict path, struct stat* restrict st);
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int mkdir(const char* path, mode_t mode);
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int mkdir(const char* path, mode_t mode);
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int mkdirat(int dirfd, const char* path, mode_t mode);
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int stat(const char* restrict path, struct stat* restrict st);
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int stat(const char* restrict path, struct stat* restrict st);
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mode_t umask(mode_t mask);
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mode_t umask(mode_t mask);
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35
libc/mkdirat.cpp
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35
libc/mkdirat.cpp
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@ -0,0 +1,35 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2012.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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mkdirat.cpp
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Creates a new directory.
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*******************************************************************************/
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#include <sys/stat.h>
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#include <sys/syscall.h>
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#include <fcntl.h>
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DEFN_SYSCALL3(int, sys_mkdirat, SYSCALL_MKDIRAT, int, const char*, mode_t);
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extern "C" int mkdirat(int dirfd, const char* path, mode_t mode)
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{
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return sys_mkdirat(dirfd, path, mode);
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}
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@ -84,6 +84,7 @@
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#define SYSCALL_DUP2 60
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#define SYSCALL_DUP2 60
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#define SYSCALL_UNLINKAT 61
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#define SYSCALL_UNLINKAT 61
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#define SYSCALL_FACCESSAT 62
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#define SYSCALL_FACCESSAT 62
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#define SYSCALL_MAX_NUM 63 /* index of highest constant + 1 */
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#define SYSCALL_MKDIRAT 63
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#define SYSCALL_MAX_NUM 64 /* index of highest constant + 1 */
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#endif
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#endif
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@ -202,20 +202,24 @@ static int sys_unlink(const char* path)
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return sys_unlinkat(AT_FDCWD, path, 0);
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return sys_unlinkat(AT_FDCWD, path, 0);
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}
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}
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static int sys_mkdir(const char* path, mode_t mode)
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static int sys_mkdirat(int dirfd, const char* path, mode_t mode)
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{
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{
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char* pathcopy = GetStringFromUser(path);
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char* pathcopy = GetStringFromUser(path);
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if ( !pathcopy )
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if ( !pathcopy )
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return -1;
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return -1;
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ioctx_t ctx; SetupUserIOCtx(&ctx);
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ioctx_t ctx; SetupUserIOCtx(&ctx);
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const char* relpath = pathcopy;
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const char* relpath = pathcopy;
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Ref<Descriptor> from = PrepareLookup(&relpath);
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Ref<Descriptor> from = PrepareLookup(&relpath, dirfd);
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if ( !from ) { delete[] pathcopy; return -1; }
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int ret = from->mkdir(&ctx, relpath, mode);
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int ret = from->mkdir(&ctx, relpath, mode);
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delete[] pathcopy;
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delete[] pathcopy;
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return ret;
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return ret;
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}
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}
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// TODO: mkdirat
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static int sys_mkdir(const char* path, mode_t mode)
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{
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return sys_mkdirat(AT_FDCWD, path, mode);
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}
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static int sys_rmdir(const char* path)
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static int sys_rmdir(const char* path)
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{
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{
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@ -445,6 +449,7 @@ void Init()
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Syscall::Register(SYSCALL_GETTERMMODE, (void*) sys_gettermmode);
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Syscall::Register(SYSCALL_GETTERMMODE, (void*) sys_gettermmode);
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Syscall::Register(SYSCALL_ISATTY, (void*) sys_isatty);
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Syscall::Register(SYSCALL_ISATTY, (void*) sys_isatty);
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Syscall::Register(SYSCALL_LINK, (void*) sys_link);
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Syscall::Register(SYSCALL_LINK, (void*) sys_link);
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Syscall::Register(SYSCALL_MKDIRAT, (void*) sys_mkdirat);
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Syscall::Register(SYSCALL_MKDIR, (void*) sys_mkdir);
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Syscall::Register(SYSCALL_MKDIR, (void*) sys_mkdir);
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Syscall::Register(SYSCALL_OPENAT, (void*) sys_openat);
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Syscall::Register(SYSCALL_OPENAT, (void*) sys_openat);
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Syscall::Register(SYSCALL_OPEN, (void*) sys_open);
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Syscall::Register(SYSCALL_OPEN, (void*) sys_open);
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