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/**
* @file utils.c
* @brief Helper utilities
*/
/* $Progeny$
*
* Copyright 2002 Hewlett-Packard Company
* Copyright 2002 Progeny Linux Systems, Inc.
*
* 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 COPYRIGHT HOLDER(S) 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 "config.h"
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <discover/discover.h>
#include <discover/utils.h>
void *
_discover_xmalloc(size_t size)
{
void *result;
/*
* SUSv3 leaves the behavior when size == 0 undefined, so we'll protect
* against that scenario here.
*/
assert(size > 0);
result = malloc(size);
if (!result) {
perror("malloc");
exit(EX_OSERR);
}
return result;
}
void *
_discover_xrealloc(void *ptr, size_t size)
{
void *result;
assert(size >= 0);
result = realloc(ptr, size);
if (!result) {
perror("realloc");
exit(EX_OSERR);
}
return result;
}
char *
_discover_xstrdup(const char *s)
{
size_t len;
char *copy;
assert(s != NULL);
len = strlen(s) + 1;
copy = _discover_xmalloc(len);
memcpy(copy, s, len);
return copy;
}
/*
* Local variables:
* c-file-style: "progeny"
* indent-tabs-mode: nil
* End:
*/
/* vim: set cin fo=tcroq sw=4 et sts=4 tw=75: */
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