125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
#if defined(__hpux)
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#include "cfg.h"
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#include "com-defs.h"
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#ifdef report
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#include <stdio.h>
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#include <unistd.h>
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#endif
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#ifndef HAVE_SOCKLEN_T
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#define socklen_t int
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#endif
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#include "hpux.h"
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union len_t {
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int intlen;
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socklen_t socklen;
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};
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static int hp_detect_length(int s)
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{
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static int mode_cache = -1;
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union len_t u;
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int val;
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int r;
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if (sizeof(int) == sizeof(socklen_t)) return 0;
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if (mode_cache >= 0) return mode_cache;
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memset(&u, 1, sizeof u);
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r = getsockopt(s, SOL_SOCKET, SO_ERROR, (void *)&val, (void *)&u);
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if (r) return -1;
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if (u.socklen == sizeof(int)) {
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#ifdef report
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fprintf(stderr, "detected socklen argument\n");
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sleep(1);
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#endif
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mode_cache = 1;
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return 1;
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} else if (u.intlen == sizeof(int)) {
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#ifdef report
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fprintf(stderr, "detected int argument\n");
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sleep(1);
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#endif
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mode_cache = 0;
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return 0;
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} else {
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fatal_exit("Could not detect HP-UX socklen argument type: %lx,%x", (long)u.socklen, u.intlen);
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errno = EINVAL;
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return -1;
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}
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}
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int hp_accept(int s, struct sockaddr *addr, socklen_t *len)
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{
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union len_t u;
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int mode, r;
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if (addr == NULL || len == NULL) return accept(s, NULL, NULL);
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if ((mode = hp_detect_length(s)) == -1) return -1;
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memset(&u, 0, sizeof u);
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if (!mode) u.intlen = *len;
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else u.socklen = *len;
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r = accept(s, addr, (void *)&u);
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if (!mode) *len = u.intlen;
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else *len = u.socklen;
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return r;
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}
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int hp_getpeername(int s, struct sockaddr *addr, socklen_t *len)
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{
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union len_t u;
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int mode, r;
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if ((mode = hp_detect_length(s)) == -1) return -1;
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memset(&u, 0, sizeof u);
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if (!mode) u.intlen = *len;
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else u.socklen = *len;
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r = getpeername(s, addr, (void *)&u);
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if (!mode) *len = u.intlen;
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else *len = u.socklen;
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return r;
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}
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int hp_getsockname(int s, struct sockaddr *addr, socklen_t *len)
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{
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union len_t u;
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int mode, r;
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if ((mode = hp_detect_length(s)) == -1) return -1;
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memset(&u, 0, sizeof u);
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if (!mode) u.intlen = *len;
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else u.socklen = *len;
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r = getsockname(s, addr, (void *)&u);
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if (!mode) *len = u.intlen;
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else *len = u.socklen;
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return r;
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}
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int hp_getsockopt(int s, int level, int opt, void *val, socklen_t *len)
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{
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union len_t u;
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int mode, r;
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if (val == NULL || len == NULL) return getsockopt(s, level, opt, NULL, NULL);
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if ((mode = hp_detect_length(s)) == -1) return -1;
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memset(&u, 0, sizeof u);
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if (!mode) u.intlen = *len;
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else u.socklen = *len;
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r = getsockopt(s, level, opt, val, (void *)&u);
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if (!mode) *len = u.intlen;
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else *len = u.socklen;
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return r;
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}
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#else
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typedef int hpux_c_no_empty_unit;
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#endif
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