vma-iter: Add support for Android.
[gnulib.git] / lib / mbssep.c
blobca3f20e04fef4f72d43d5bcd20926d0cf769b307
1 /* Tokenizing a string.
2 Copyright (C) 2007-2019 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2007.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 #include <config.h>
20 /* Specification. */
21 #include <string.h>
23 #include "mbuiter.h"
25 char *
26 mbssep (char **stringp, const char *delim)
28 if (MB_CUR_MAX > 1)
30 char *start = *stringp;
31 char *ptr;
33 if (start == NULL)
34 return NULL;
36 /* No need to optimize the cases of 0 or 1 delimiters specially,
37 since mbspbrk already optimizes them. */
39 ptr = mbspbrk (start, delim);
41 if (ptr == NULL)
43 *stringp = NULL;
44 return start;
46 else
48 mbui_iterator_t iter;
50 mbui_init (iter, ptr);
51 if (!mbui_avail (iter))
52 abort ();
53 mbui_advance (iter);
54 *ptr = '\0';
55 *stringp = (char *) mbui_cur_ptr (iter);
56 return start;
59 else
60 return strsep (stringp, delim);