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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
author lost@l-w.ca
date Wed, 19 Jan 2011 22:27:17 -0700
parents
children 7317fbe024af
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-1:000000000000 0:2c24602be78f
1 /*
2 util.c
3 Copyright © 2009 William Astle
4
5 This file is part of LWLINK.
6
7 LWLINK is free software: you can redistribute it and/or modify it under the
8 terms of the GNU General Public License as published by the Free Software
9 Foundation, either version 3 of the License, or (at your option) any later
10 version.
11
12 This program is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 more details.
16
17 You should have received a copy of the GNU General Public License along with
18 this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 /*
22 Utility functions
23 */
24
25 #define __util_c_seen__
26 #include <malloc.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30
31 #include "util.h"
32
33 void *lw_malloc(int size)
34 {
35 void *ptr;
36
37 ptr = malloc(size);
38 if (!ptr)
39 {
40 // bail out; memory allocation error
41 fprintf(stderr, "lw_malloc(): Memory allocation error\n");
42 exit(1);
43 }
44 return ptr;
45 }
46
47 void *lw_realloc(void *optr, int size)
48 {
49 void *ptr;
50
51 if (size == 0)
52 {
53 lw_free(optr);
54 return;
55 }
56
57 ptr = realloc(optr, size);
58 if (!ptr)
59 {
60 fprintf(stderr, "lw_realloc(): memory allocation error\n");
61 exit(1);
62 }
63 }
64
65 void lw_free(void *ptr)
66 {
67 if (ptr)
68 free(ptr);
69 }
70
71 char *lw_strdup(const char *s)
72 {
73 char *d;
74
75 if (!s)
76 return NULL;
77
78 d = strdup(s);
79 if (!d)
80 {
81 fprintf(stderr, "lw_strdup(): memory allocation error\n");
82 exit(1);
83 }
84
85 return d;
86 }