src/bin/csh/alloc.c

92 lines
2.4 KiB
C

/* $OpenBSD: alloc.c,v 1.20 2018/09/18 17:48:22 millert Exp $ */
/* $NetBSD: alloc.c,v 1.6 1995/03/21 09:02:23 cgd Exp $ */
/*-
* Copyright (c) 1983, 1991, 1993
* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "csh.h"
#include "extern.h"
void *
xmalloc(size_t n)
{
void *ptr;
if ((ptr = malloc(n)) == NULL) {
child++;
stderror(ERR_NOMEM);
}
return (ptr);
}
void *
xreallocarray(void * p, size_t c, size_t n)
{
void *ptr;
if ((ptr = reallocarray(p, c, n)) == NULL) {
child++;
stderror(ERR_NOMEM);
}
return (ptr);
}
void *
xcalloc(size_t s, size_t n)
{
void *ptr;
if ((ptr = calloc(s, n)) == NULL) {
child++;
stderror(ERR_NOMEM);
}
return (ptr);
}
char *
xstrdup(const char *s)
{
char *n;
if (s == NULL)
s = "";
if ((n = strdup(s)) == NULL) {
child++;
stderror(ERR_NOMEM);
}
return (n);
}