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