/* Copyright (C) Andrew Tridgell 1998 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* compatibility functions - replacing functions for platforms that don't have them. */ #include "rsync.h" #ifndef HAVE_STRDUP char *strdup(char *s) { int l = strlen(s) + 1; char *ret = (char *)malloc(l); if (ret) strcpy(ret,s); return ret; } #endif #ifndef HAVE_GETCWD char *getcwd(char *buf, int size) { return getwd(buf); } #endif #ifndef HAVE_WAITPID pid_t waitpid(pid_t pid, int *statptr, int options) { #ifdef HAVE_WAIT4 return wait4(pid, statptr, options, NULL); #else /* If wait4 is also not available, try wait3 for SVR3 variants */ /* Less ideal because can't actually request a specific pid */ /* At least the WNOHANG option is supported */ /* Code borrowed from apache fragment written by dwd@bell-labs.com */ int tmp_pid, dummystat;; if (kill(pid, 0) == -1) { errno = ECHILD; return -1; } if (statptr == NULL) statptr = &dummystat; while (((tmp_pid = wait3(statptr, options, 0)) != pid) && (tmp_pid != -1) && (tmp_pid != 0) && (pid != -1)) ; return tmp_pid; #endif } #endif #ifndef HAVE_MEMMOVE void *memmove(void *dest, const void *src, size_t n) { bcopy((char *) src, (char *) dest, n); return dest; } #endif #ifndef HAVE_STRPBRK /* Find the first ocurrence in S of any character in ACCEPT. derived from glibc */ char *strpbrk(const char *s, const char *accept) { while (*s != '\0') { const char *a = accept; while (*a != '\0') { if (*a++ == *s) return (char *)s; } ++s; } return NULL; } #endif #ifdef REPLACE_INET_NTOA char *rep_inet_ntoa(struct in_addr ip) { unsigned char *p = (unsigned char *)&ip.s_addr; static char buf[18]; #if WORDS_BIGENDIAN slprintf(buf, 18, "%d.%d.%d.%d", (int)p[0], (int)p[1], (int)p[2], (int)p[3]); #else slprintf(buf, 18, "%d.%d.%d.%d", (int)p[3], (int)p[2], (int)p[1], (int)p[0]); #endif return buf; } #endif #ifndef HAVE_STRLCPY /* like strncpy but does not 0 fill the buffer and always null terminates. bufsize is the size of the destination buffer */ size_t strlcpy(char *d, const char *s, size_t bufsize) { size_t len = strlen(s); size_t ret = len; if (len >= bufsize) len = bufsize-1; memcpy(d, s, len); d[len] = 0; return ret; } #endif #ifndef HAVE_STRLCAT /* like strncat but does not 0 fill the buffer and always null terminates. bufsize is the length of the buffer, which should be one more than the maximum resulting string length */ size_t strlcat(char *d, const char *s, size_t bufsize) { size_t len1 = strlen(d); size_t len2 = strlen(s); size_t ret = len1 + len2; if (len1+len2 >= bufsize) { len2 = bufsize - (len1+1); } if (len2 > 0) { memcpy(d+len1, s, len2); d[len1+len2] = 0; } return ret; } #endif #ifndef HAVE_INET_ATON int inet_aton(const char *cp, struct in_addr *inp) { if (strcmp(cp, "255.255.255.255") == 0) { inp->s_addr = (unsigned) -1; return 1; } inp->s_addr = inet_addr(cp); if (inp->s_addr == (unsigned) -1) { return 0; } return 1; } #endif /* some systems don't take the 2nd argument */ int sys_gettimeofday(struct timeval *tv) { #if HAVE_GETTIMEOFDAY_TZ return gettimeofday(tv, NULL); #else return gettimeofday(tv); #endif }