Mercurial > hg-old > index.cgi

annotate src/util.c @ 302:eff969272fb9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
resolve incomplete references done
author lost
date Wed, 21 Jan 2009 06:14:08 +0000
parents 48945dac8178
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
296
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
1 /*
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
2 util.c
300
48945dac8178 Fixed copyright year
lost
parents: 298
diff changeset
3 Copyright © 2009 William Astle
296
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
4
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
5 This file is part of LWLINK.
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
6
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
7 LWLINK is free software: you can redistribute it and/or modify it under the
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
8 terms of the GNU General Public License as published by the Free Software
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
9 Foundation, either version 3 of the License, or (at your option) any later
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
10 version.
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
11
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
12 This program is distributed in the hope that it will be useful, but WITHOUT
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
15 more details.
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
16
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
17 You should have received a copy of the GNU General Public License along with
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
18 this program. If not, see <http://www.gnu.org/licenses/>.
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
19 */
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
20
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
21 /*
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
22 Utility functions
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
23 */
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
24
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
25 #define __util_c_seen__
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
26
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
27 #include <malloc.h>
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
28 #include <stdio.h>
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
29 #include <stdlib.h>
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
30 #include <string.h>
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
31
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
32 #include "util.h"
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
33
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
34 void *lw_malloc(int size)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
35 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
36 void *ptr;
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
37
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
38 ptr = malloc(size);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
39 if (!ptr)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
40 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
41 // bail out; memory allocation error
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
42 fprintf(stderr, "lw_malloc(): Memory allocation error\n");
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
43 exit(1);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
44 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
45 return ptr;
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
46 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
47
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
48 void *lw_realloc(void *optr, int size)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
49 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
50 void *ptr;
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
51
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
52 if (size == 0)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
53 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
54 lw_free(optr);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
55 return;
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
56 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
57
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
58 ptr = realloc(optr, size);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
59 if (!ptr)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
60 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
61 fprintf(stderr, "lw_realloc(): memory allocation error\n");
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
62 exit(1);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
63 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
64 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
65
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
66 void lw_free(void *ptr)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
67 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
68 if (ptr)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
69 free(ptr);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
70 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
71
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
72 char *lw_strdup(const char *s)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
73 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
74 char *d;
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
75
298
96a35a4245f3 reading files implemented
lost
parents: 296
diff changeset
76 if (!s)
96a35a4245f3 reading files implemented
lost
parents: 296
diff changeset
77 return NULL;
96a35a4245f3 reading files implemented
lost
parents: 296
diff changeset
78
296
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
79 d = strdup(s);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
80 if (!d)
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
81 {
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
82 fprintf(stderr, "lw_strdup(): memory allocation error\n");
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
83 exit(1);
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
84 }
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
85
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
86 return d;
14d835cf02d9 Handle input files on command line and add some memory management utility functions
lost
parents:
diff changeset
87 }