blob: f4222f6aeadeabe3295a959ca1b125520d41b107 (
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
|
/* Compare UTF-32 strings.
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/>. */
#include <config.h>
/* Specification. */
#include "unistr.h"
int
u32_strncmp (const uint32_t *s1, const uint32_t *s2, size_t n)
{
for (; n > 0;)
{
uint32_t uc1 = *s1++;
uint32_t uc2 = *s2++;
if (uc1 != 0 && uc1 == uc2)
{
n--;
continue;
}
/* Note that uc1 and uc2 each have at most 31 bits. */
return (int)uc1 - (int)uc2;
/* > 0 if uc1 > uc2, < 0 if uc1 < uc2, = 0 if uc1 and uc2 are both 0. */
}
return 0;
}
|
