tinc/src/xalloc.h
2019-08-26 13:44:48 +02:00

97 lines
2.2 KiB
C

#ifndef TINC_XALLOC_H
#define TINC_XALLOC_H
/*
xalloc.h -- malloc and related fuctions with out of memory checking
Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
Copyright (C) 2011-2017 Guus Sliepen <guus@tinc-vpn.org>
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, 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., Foundation,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
static inline void *xmalloc(size_t n) __attribute__((__malloc__));
static inline void *xmalloc(size_t n) {
void *p = malloc(n);
if(!p) {
abort();
}
return p;
}
static inline void *xmalloc_and_zero(size_t n) __attribute__((__malloc__));
static inline void *xmalloc_and_zero(size_t n) {
void *p = calloc(1, n);
if(!p) {
abort();
}
return p;
}
static inline void *xrealloc(void *p, size_t n) {
p = realloc(p, n);
if(!p) {
abort();
}
return p;
}
static inline char *xstrdup(const char *s) __attribute__((__malloc__));
static inline char *xstrdup(const char *s) {
char *p = strdup(s);
if(!p) {
abort();
}
return p;
}
static inline int xvasprintf(char **strp, const char *fmt, va_list ap) {
#ifdef HAVE_MINGW
char buf[1024];
int result = vsnprintf(buf, sizeof(buf), fmt, ap);
if(result < 0) {
abort();
}
*strp = xstrdup(buf);
#else
int result = vasprintf(strp, fmt, ap);
if(result < 0) {
abort();
}
#endif
return result;
}
static inline int xasprintf(char **strp, const char *fmt, ...) __attribute__((__format__(printf, 2, 3)));
static inline int xasprintf(char **strp, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
int result = xvasprintf(strp, fmt, ap);
va_end(ap);
return result;
}
#endif