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xmalloc.c
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Mon, Feb 24, 13:42

xmalloc.c
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/* (C) Copyright 1993,1994 by Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of Carnegie
* Mellon University not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. Carnegie Mellon University makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
char *xmalloc (int size)
{
char *ret;
if ((ret = malloc((unsigned) size)))
return ret;
fprintf(stderr, "Memory exhausted\n");
exit(1);
}
char *xrealloc (char *ptr, int size)
{
char *ret;
/* xrealloc (NULL, size) behaves like xmalloc (size), as in ANSI C */
if ((ret = !ptr ? malloc ((unsigned) size) : realloc (ptr, (unsigned) size)))
return ret;
fprintf(stderr, "Memory exhausted\n");
exit(1);
}
char *strsave(char *str)
{
char *p = xmalloc(strlen(str)+1);
strcpy(p, str);
return p;
}

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