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annotate lib/argv-iter.h @ 40186:8964917f9574

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author Karl Berry <karl@freefriends.org>
date Mon, 18 Feb 2019 08:02:49 -0800
parents b06060465f09
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1 /* Iterate over arguments from argv or --files0-from=FILE
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2 Copyright (C) 2008-2019 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation, either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
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16
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17 #include <stdio.h>
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18 #include <stdbool.h>
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19
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20 /* Definition of _GL_ARG_NONNULL. */
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21 #include "arg-nonnull.h"
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22
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23 struct argv_iterator;
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24
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25 enum argv_iter_err
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26 {
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27 AI_ERR_OK = 1,
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28 AI_ERR_EOF,
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29 AI_ERR_MEM,
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30 AI_ERR_READ
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31 };
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32
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33 struct argv_iterator *argv_iter_init_argv (char **argv)
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34 _GL_ARG_NONNULL ((1));
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35 struct argv_iterator *argv_iter_init_stream (FILE *fp)
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36 _GL_ARG_NONNULL ((1));
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37 char *argv_iter (struct argv_iterator *, enum argv_iter_err *)
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38 _GL_ARG_NONNULL ((1, 2));
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39 size_t argv_iter_n_args (struct argv_iterator const *)
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40 _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1));
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41 void argv_iter_free (struct argv_iterator *)
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42 _GL_ARG_NONNULL ((1));