| /* Routines for dealing with '\0' separated arg vectors. |
| Copyright (C) 1995-2016 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Written by Miles Bader <miles@gnu.org> |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <argz.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| /* Delete ENTRY from ARGZ & ARGZ_LEN, if any. */ |
| void |
| argz_delete (char **argz, size_t *argz_len, char *entry) |
| { |
| if (entry) |
| /* Get rid of the old value for NAME. */ |
| { |
| size_t entry_len = strlen (entry) + 1; |
| *argz_len -= entry_len; |
| memmove (entry, entry + entry_len, *argz_len - (entry - *argz)); |
| if (*argz_len == 0) |
| { |
| free (*argz); |
| *argz = 0; |
| } |
| } |
| } |
| libc_hidden_def (argz_delete) |