| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Iterate through the elements of an argz block. |
| 2 | Copyright (C) 1995-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <argz.h> |
| 21 | #include <string.h> |
| 22 | |
| 23 | char * |
| 24 | __argz_next (const char *argz, size_t argz_len, const char *entry) |
| 25 | { |
| 26 | if (entry) |
| 27 | { |
| 28 | if (entry < argz + argz_len) |
| 29 | entry = strchr (entry, '\0') + 1; |
| 30 | |
| 31 | return entry >= argz + argz_len ? NULL : (char *) entry; |
| 32 | } |
| 33 | else |
| 34 | if (argz_len > 0) |
| 35 | return (char *) argz; |
| 36 | else |
| 37 | return NULL; |
| 38 | } |
| 39 | weak_alias (__argz_next, argz_next) |