blob: edafa1ba4619ddd84d4345dc416d33ccf1964a26 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* Tokenize UTF-8/UTF-16/UTF-32 string.
Copyright (C) 1999, 2002, 2006, 2009-2015 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2002.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
UNIT *
FUNC (UNIT *str, const UNIT *delim, UNIT **ptr)
{
if (str == NULL)
{
str = *ptr;
if (str == NULL)
return NULL; /* reminder that end of token sequence has been reached */
}
/* Skip leading delimiters. */
str += U_STRSPN (str, delim);
/* Found a token? */
if (*str == 0)
{
*ptr = NULL;
return NULL;
}
/* Move past the token. */
{
UNIT *token_end = U_STRPBRK (str, delim);
if (token_end)
{
*ptr = token_end + U_STRMBLEN (token_end);
/* NUL-terminate the token. */
*token_end = 0;
}
else
*ptr = NULL;
}
return str;
}
|
