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/* $Id: xmalloc.c,v 1.9 2008-09-08 05:35:52 niallo Exp $ */
/*
* Copyright (c) 2006, 2008 Niall O'Higgins <niallo@p2presearch.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "includes.h"
#define OOM_MSG "Out of memory"
#if !defined (USE_BOEHM_GC)
void *
xmalloc(size_t size)
{
void *ptr;
if ((ptr = malloc(size)) == NULL)
err(1, OOM_MSG);
return (ptr);
}
void *
xrealloc(void *ptr, size_t size)
{
void *nptr;
if ((nptr = realloc(ptr, size)) == NULL)
err(1, OOM_MSG);
return (nptr);
}
void *
xcalloc(size_t nmemb, size_t size)
{
void *ptr;
ptr = calloc(nmemb, size);
if (ptr == NULL)
err(1, OOM_MSG);
return ptr;
}
void
xfree(void *ptr)
{
if (ptr == NULL)
errx(1, "xfree: NULL pointer given as argument");
free(ptr);
}
char *
xstrdup(const char *str)
{
size_t len;
char *cp;
len = strlen(str) + 1;
cp = xmalloc(len);
if (strlcpy(cp, str, len) >= len)
errx(1, "xstrdup: string truncated");
return cp;
}
#else
/* Special for compiling with Boehm's GC. See Makefile and xmalloc.h */
char *
gc_strdup(const char *x)
{
char *y = xmalloc(strlen(x) + 1);
/* XXX ja ja, should check return value... */
strlcpy(y, x, strlen(x) + 1);
return (y);
}
#endif /* WITH_BOEHM_GC */
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