1 /* Removes leading and/or trailing whitespaces
2 Copyright (C) 2006-2007 Free Software Foundation, Inc.
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Davide Angelocola <davide.angelocola@gmail.com> */
36 trim2(const char *s, int how)
50 /* Trim leading whitespaces. */
51 if (how != TRIM_TRAILING)
53 mbi_init (i, d, strlen (d));
55 for (; mbi_avail (i) && mb_isspace (mbi_cur (i)); mbi_advance (i))
58 memmove (d, mbi_cur_ptr (i), strlen (mbi_cur_ptr (i)) + 1);
61 /* Trim trailing whitespaces. */
62 if (how != TRIM_LEADING)
65 char *r; /* used only while state = 2 */
67 mbi_init (i, d, strlen (d));
69 for (; mbi_avail (i); mbi_advance (i))
71 if (state == 0 && mb_isspace (mbi_cur (i)))
77 if (state == 0 && !mb_isspace (mbi_cur (i)))
83 if (state == 1 && !mb_isspace (mbi_cur (i)))
89 if (state == 1 && mb_isspace (mbi_cur (i)))
92 r = (char *) mbi_cur_ptr (i);
94 else if (state == 2 && mb_isspace (mbi_cur (i)))
109 #endif /* HAVE_MBRTOWC */
113 /* Trim leading whitespaces. */
114 if (how != TRIM_TRAILING) {
115 for (p = d; *p && isspace (*p); p++)
118 memmove (d, p, strlen (p) + 1);
121 /* Trim trailing whitespaces. */
122 if (how != TRIM_LEADING) {
123 for (p = d + strlen (d) - 1; p >= d && isspace (*p); p--)