1 |
/* (C) Copyright 1993,1994 by Carnegie Mellon University |
2 |
* All Rights Reserved. |
3 |
* |
4 |
* Permission to use, copy, modify, distribute, and sell this software |
5 |
* and its documentation for any purpose is hereby granted without |
6 |
* fee, provided that the above copyright notice appear in all copies |
7 |
* and that both that copyright notice and this permission notice |
8 |
* appear in supporting documentation, and that the name of Carnegie |
9 |
* Mellon University not be used in advertising or publicity |
10 |
* pertaining to distribution of the software without specific, |
11 |
* written prior permission. Carnegie Mellon University makes no |
12 |
* representations about the suitability of this software for any |
13 |
* purpose. It is provided "as is" without express or implied |
14 |
* warranty. |
15 |
* |
16 |
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO |
17 |
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
18 |
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE |
19 |
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
20 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN |
21 |
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
22 |
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
23 |
* SOFTWARE. |
24 |
*/ |
25 |
#include <stdio.h> |
26 |
#include <stdlib.h> |
27 |
#include <string.h> |
28 |
|
29 |
char *xmalloc (int size) |
30 |
{ |
31 |
char *ret; |
32 |
|
33 |
if ((ret = malloc((unsigned) size))) |
34 |
return ret; |
35 |
|
36 |
fprintf(stderr, "Memory exhausted\n"); |
37 |
exit(1); |
38 |
} |
39 |
|
40 |
|
41 |
char *xrealloc (char *ptr, int size) |
42 |
{ |
43 |
char *ret; |
44 |
|
45 |
/* xrealloc (NULL, size) behaves like xmalloc (size), as in ANSI C */ |
46 |
if ((ret = !ptr ? malloc ((unsigned) size) : realloc (ptr, (unsigned) size))) |
47 |
return ret; |
48 |
|
49 |
fprintf(stderr, "Memory exhausted\n"); |
50 |
exit(1); |
51 |
} |
52 |
|
53 |
char *strsave(char *str) |
54 |
{ |
55 |
char *p = xmalloc(strlen(str)+1); |
56 |
strcpy(p, str); |
57 |
return p; |
58 |
} |