1 /* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
2 *
3 * Permission to use, copy, modify, and distribute this software
4 * is freely granted, provided that this notice is preserved.
5 */
6
7 #define _DEFAULT_SOURCE
8 #include <argz.h>
9 #include <errno.h>
10 #include <sys/types.h>
11 #include <string.h>
12 #include <stdlib.h>
13
14 error_t
argz_create_sep(const char * string,int sep,char ** argz,size_t * argz_len)15 argz_create_sep (const char *string,
16 int sep,
17 char **argz,
18 size_t *argz_len)
19 {
20 size_t len = 0;
21 int i = 0;
22 int num_strings = 0;
23 char delim[2];
24 char *running = 0;
25 char *old_running = 0;
26 char *token = 0;
27 char *iter = 0;
28
29 *argz_len = 0;
30
31 if (!string || string[0] == '\0')
32 {
33 *argz= NULL;
34 return 0;
35 }
36
37 delim[0] = (char) sep;
38 delim[1] = '\0';
39
40 running = strdup(string);
41 old_running = running;
42
43 while ((token = strsep(&running, delim)))
44 {
45 len = strlen(token);
46 *argz_len += (len + 1);
47 num_strings++;
48 }
49
50 if(!(*argz = (char *)malloc(*argz_len)))
51 return ENOMEM;
52
53 free(old_running);
54
55 running = strdup(string);
56 old_running = running;
57
58 iter = *argz;
59 for (i = 0; i < num_strings; i++)
60 {
61 token = strsep(&running, delim);
62 len = strlen(token) + 1;
63 memcpy(iter, token, len);
64 iter += len;
65 }
66
67 free(old_running);
68 return 0;
69 }
70
