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 #include <argz.h>
8 #include <errno.h>
9 #include <sys/types.h>
10 #include <string.h>
11 #include <stdlib.h>
12
13 error_t
argz_create(char * const argv[],char ** argz,size_t * argz_len)14 argz_create (char *const argv[],
15 char **argz,
16 size_t *argz_len)
17 {
18 int argc = 0;
19 int i = 0;
20 size_t len = 0;
21 char *iter;
22
23 *argz_len = 0;
24
25 if (*argv == NULL)
26 {
27 *argz = NULL;
28 return 0;
29 }
30
31 while (argv[argc])
32 {
33 *argz_len += (strlen(argv[argc]) + 1);
34 argc++;
35 }
36
37 /* There are argc strings to copy into argz. */
38 if(!(*argz = (char *)malloc(*argz_len)))
39 return ENOMEM;
40
41 iter = *argz;
42 for(i = 0; i < argc; i++)
43 {
44 len = strlen(argv[i]) + 1;
45 memcpy(iter, argv[i], len);
46 iter += len;
47 }
48 return 0;
49 }
50
