Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib/compat.c @ 0:3b1985cbc908 HEAD
Initial revision
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Fri, 09 Aug 2002 12:15:38 +0300 |
parents | |
children | 1b34ec11fff8 |
line wrap: on
line source
/* compat.c : Compatibility functions for OSes not having them Copyright (c) 2002 Timo Sirainen Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include <ctype.h> #include <syslog.h> #include "lib.h" #ifndef INADDR_NONE # define INADDR_NONE INADDR_BROADCAST #endif #ifndef HAVE_MEMMOVE void *my_memmove(void *dest, const void *src, size_t size) { char *destp = dest; const char *srcp = src; if (destp < srcp) { /* dest = 1234, src=234 */ destp = dest; srcp = src; while (size > 0) { *destp++ = *srcp++; size--; } } else if (destp > srcp) { /* dest = 234, src=123 */ destp += size-1; srcp += size-1; while (size > 0) { *destp-- = *srcp--; size--; } } return dest; } #endif #if !defined (HAVE_STRCASECMP) && !defined (HAVE_STRICMP) int my_strcasecmp(const char *s1, const char *s2) { while (*s1 != '\0' && i_toupper(*s1) == i_toupper(*s2)) { s1++; s2++; } return i_toupper(*s1) - i_toupper(*s2); } int my_strncasecmp(const char *s1, const char *s2, size_t max_chars) { while (max_chars > 0 && *s1 != '\0' && i_toupper(*s1) == i_toupper(*s2)) { s1++; s2++; } return i_toupper(*s1) - i_toupper(*s2); } #endif #ifndef HAVE_INET_ATON int my_inet_aton(const char *cp, struct in_addr *inp) { in_addr_t addr; addr = inet_addr(cp); if (addr == INADDR_NONE) return 0; inp->s_addr = addr; return 1; } #endif #ifndef HAVE_VSYSLOG void my_vsyslog(int priority, const char *format, va_list args) { const char *str; char buf[1024]; #ifdef HAVE_VSNPRINTF vsnprintf(buf, sizeof(buf), format, args); str = buf; #else va_list args2; VA_COPY(args2, args); if (printf_string_upper_bound(format, args) < sizeof(buf)) { vsprintf(buf, format, args); str = buf; } else { /* this may not be safe but not choice really.. */ str = t_strdup_vprintf(format, args2); } #endif syslog(priority, "%s", str); } #endif