tools/mpack-1.6/xmalloc.c

ec6cf3b09d Ed H*0001 /* (C) Copyright 1993,1994 by Carnegie Mellon University
                0002  * All Rights Reserved.
                0003  *
                0004  * Permission to use, copy, modify, distribute, and sell this software
                0005  * and its documentation for any purpose is hereby granted without
                0006  * fee, provided that the above copyright notice appear in all copies
                0007  * and that both that copyright notice and this permission notice
                0008  * appear in supporting documentation, and that the name of Carnegie
                0009  * Mellon University not be used in advertising or publicity
                0010  * pertaining to distribution of the software without specific,
                0011  * written prior permission.  Carnegie Mellon University makes no
                0012  * representations about the suitability of this software for any
                0013  * purpose.  It is provided "as is" without express or implied
                0014  * warranty.
                0015  *
                0016  * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
                0017  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
                0018  * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
                0019  * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                0020  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
                0021  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                0022  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
                0023  * SOFTWARE.
                0024  */
                0025 #include <stdio.h>
e768bd1221 Jean*0026 #include <stdlib.h>
ec6cf3b09d Ed H*0027 #include <string.h>
                0028
                0029 char *xmalloc (int size)
                0030 {
                0031     char *ret;
                0032
e768bd1221 Jean*0033     if ((ret = malloc((unsigned) size)))
ec6cf3b09d Ed H*0034       return ret;
                0035
                0036     fprintf(stderr, "Memory exhausted\n");
                0037     exit(1);
                0038 }
                0039
                0040
                0041 char *xrealloc (char *ptr, int size)
                0042 {
                0043     char *ret;
                0044
                0045     /* xrealloc (NULL, size) behaves like xmalloc (size), as in ANSI C */
e768bd1221 Jean*0046     if ((ret = !ptr ? malloc ((unsigned) size) : realloc (ptr, (unsigned) size)))
ec6cf3b09d Ed H*0047       return ret;
                0048
                0049     fprintf(stderr, "Memory exhausted\n");
                0050     exit(1);
                0051 }
                0052
                0053 char *strsave(char *str)
                0054 {
                0055     char *p = xmalloc(strlen(str)+1);
                0056     strcpy(p, str);
                0057     return p;
                0058 }