1 /* Routines for dealing with '\0' separated arg vectors.
2 Copyright (C) 1995-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <argz.h>
20 #include <string.h>
21
22 /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
23 except the last into the character SEP. */
24 void
__argz_stringify(char * argz,size_t len,int sep)25 __argz_stringify (char *argz, size_t len, int sep)
26 {
27 if (len > 0)
28 while (1)
29 {
30 size_t part_len = __strnlen (argz, len);
31 argz += part_len;
32 len -= part_len;
33 if (len-- <= 1) /* includes final '\0' we want to stop at */
34 break;
35 *argz++ = sep;
36 }
37 }
38 libc_hidden_def (__argz_stringify)
39 weak_alias (__argz_stringify, argz_stringify)
40