| 1 | /* Removes leading and/or trailing whitespaces
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| 2 | Copyright (C) 2006, 2009-2021 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 | /* Written by Davide Angelocola <davide.angelocola@gmail.com> */
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| 18 |
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| 19 | #include <stdlib.h>
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| 20 |
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| 21 | /* Trim mode. */
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| 22 | #define TRIM_TRAILING 0
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| 23 | #define TRIM_LEADING 1
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| 24 | #define TRIM_BOTH 2
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| 25 |
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| 26 | /* Removes trailing and leading whitespaces. */
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| 27 | #define trim(s) trim2(s, TRIM_BOTH)
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| 28 |
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| 29 | /* Removes trailing whitespaces. */
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| 30 | #define trim_trailing(s) trim2(s, TRIM_TRAILING)
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| 31 |
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| 32 | /* Removes leading whitespaces. */
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| 33 | #define trim_leading(s) trim2(s, TRIM_LEADING)
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| 34 |
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| 35 | char *trim2 (const char *, int)
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| 36 | _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
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| 37 | _GL_ATTRIBUTE_RETURNS_NONNULL;
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