| 1 | /* Routines for dealing with '\0' separated arg vectors. | 
|---|
| 2 | Copyright (C) 1995-2020 Free Software Foundation, Inc. | 
|---|
| 3 | This file is part of the GNU C Library. | 
|---|
| 4 | Written by Miles Bader <miles@gnu.org> | 
|---|
| 5 |  | 
|---|
| 6 | The GNU C Library is free software; you can redistribute it and/or | 
|---|
| 7 | modify it under the terms of the GNU Lesser General Public | 
|---|
| 8 | License as published by the Free Software Foundation; either | 
|---|
| 9 | version 2.1 of the License, or (at your option) any later version. | 
|---|
| 10 |  | 
|---|
| 11 | The GNU C Library is distributed in the hope that it will be useful, | 
|---|
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|---|
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|---|
| 14 | Lesser General Public License for more details. | 
|---|
| 15 |  | 
|---|
| 16 | You should have received a copy of the GNU Lesser General Public | 
|---|
| 17 | License along with the GNU C Library; if not, see | 
|---|
| 18 | <https://www.gnu.org/licenses/>.  */ | 
|---|
| 19 |  | 
|---|
| 20 | #include <argz.h> | 
|---|
| 21 | #include <string.h> | 
|---|
| 22 |  | 
|---|
| 23 | /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's | 
|---|
| 24 | except the last into the character SEP.  */ | 
|---|
| 25 | void | 
|---|
| 26 | __argz_stringify (char *argz, size_t len, int sep) | 
|---|
| 27 | { | 
|---|
| 28 | if (len > 0) | 
|---|
| 29 | while (1) | 
|---|
| 30 | { | 
|---|
| 31 | size_t part_len = __strnlen (argz, len); | 
|---|
| 32 | argz += part_len; | 
|---|
| 33 | len -= part_len; | 
|---|
| 34 | if (len-- <= 1)		/* includes final '\0' we want to stop at */ | 
|---|
| 35 | break; | 
|---|
| 36 | *argz++ = sep; | 
|---|
| 37 | } | 
|---|
| 38 | } | 
|---|
| 39 | libc_hidden_def (__argz_stringify) | 
|---|
| 40 | weak_alias (__argz_stringify, argz_stringify) | 
|---|
| 41 |  | 
|---|