1 /* Iterate over arguments from argv or --files0-from=FILE
2 Copyright (C) 2008-2021 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 #include <stdio.h>
18 #include <stdbool.h>
19
20 /* Definition of _GL_ARG_NONNULL. */
21 #include "arg-nonnull.h"
22
23 struct argv_iterator;
24
25 enum argv_iter_err
26 {
27 AI_ERR_OK = 1,
28 AI_ERR_EOF,
29 AI_ERR_MEM,
30 AI_ERR_READ
31 };
32
33 void argv_iter_free (struct argv_iterator *)
34 _GL_ARG_NONNULL ((1));
35
36 struct argv_iterator *argv_iter_init_argv (char **argv)
37 _GL_ARG_NONNULL ((1)) _GL_ATTRIBUTE_DEALLOC (argv_iter_free, 1);
38 struct argv_iterator *argv_iter_init_stream (FILE *fp)
39 _GL_ARG_NONNULL ((1)) _GL_ATTRIBUTE_DEALLOC (argv_iter_free, 1);
40 char *argv_iter (struct argv_iterator *, enum argv_iter_err *)
41 _GL_ARG_NONNULL ((1, 2));
42 size_t argv_iter_n_args (struct argv_iterator const *)
43 _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1));