| /* Routines for dealing with '\0' separated arg vectors. |
| Copyright (C) 1995-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Written by Miles Bader <miles@gnu.ai.mit.edu> |
| |
| 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 <stdlib.h> |
| #include <string.h> |
| |
| /* Make a '\0' separated arg vector from a unix argv vector, returning it in |
| ARGZ, and the total length in LEN. If a memory allocation error occurs, |
| ENOMEM is returned, otherwise 0. */ |
| error_t |
| __argz_create (char *const argv[], char **argz, size_t *len) |
| { |
| int argc; |
| size_t tlen = 0; |
| char *const *ap; |
| char *p; |
| |
| for (argc = 0; argv[argc] != NULL; ++argc) |
| tlen += strlen (argv[argc]) + 1; |
| |
| if (tlen == 0) |
| *argz = NULL; |
| else |
| { |
| *argz = malloc (tlen); |
| if (*argz == NULL) |
| return ENOMEM; |
| |
| for (p = *argz, ap = argv; *ap; ++ap, ++p) |
| p = __stpcpy (p, *ap); |
| } |
| *len = tlen; |
| |
| return 0; |
| } |
| weak_alias (__argz_create, argz_create) |
