102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/* $NetBSD: mem.c,v 1.21 2023/01/13 19:41:50 rillig Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1994, 1995 Jochen Pohl
|
|
* All Rights Reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Jochen Pohl for
|
|
* The NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(__RCSID)
|
|
__RCSID("$NetBSD: mem.c,v 1.21 2023/01/13 19:41:50 rillig Exp $");
|
|
#endif
|
|
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "lint.h"
|
|
|
|
static void *
|
|
not_null(void *ptr)
|
|
{
|
|
|
|
if (ptr == NULL)
|
|
errx(1, "virtual memory exhausted");
|
|
return ptr;
|
|
}
|
|
|
|
void *
|
|
xmalloc(size_t s)
|
|
{
|
|
|
|
return not_null(malloc(s));
|
|
}
|
|
|
|
void *
|
|
xcalloc(size_t n, size_t s)
|
|
{
|
|
|
|
return not_null(calloc(n, s));
|
|
}
|
|
|
|
void *
|
|
xrealloc(void *p, size_t s)
|
|
{
|
|
|
|
return not_null(realloc(p, s));
|
|
}
|
|
|
|
char *
|
|
xstrdup(const char *s)
|
|
{
|
|
|
|
return not_null(strdup(s));
|
|
}
|
|
|
|
#if defined(IS_XLINT)
|
|
char *
|
|
xasprintf(const char *fmt, ...)
|
|
{
|
|
char *str;
|
|
int e;
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
e = vasprintf(&str, fmt, ap);
|
|
va_end(ap);
|
|
if (e < 0)
|
|
(void)not_null(NULL);
|
|
return str;
|
|
}
|
|
#endif
|