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_add(char ** argz,size_t * argz_len,const char * str)14 argz_add (char **argz,
15 size_t *argz_len,
16 const char *str)
17 {
18 size_t len_to_add = 0;
19 size_t last = *argz_len;
20
21 if (str == NULL)
22 return 0;
23
24 len_to_add = strlen(str) + 1;
25 *argz_len += len_to_add;
26
27 if(!(*argz = (char *)realloc(*argz, *argz_len)))
28 return ENOMEM;
29
30 memcpy(*argz + last, str, len_to_add);
31 return 0;
32 }
33
