blob: 1fd71418aa5ff6fd4128a674d139600b2085e898 (
plain) (
blame)
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <ctype.h>
#include <string.h>
#ifndef _LIBC
# define __strcasecmp strcasecmp
# define TOLOWER(Ch) tolower (Ch)
#else
# include <locale/localeinfo.h>
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define __strcasecmp __strcasecmp_l
# endif
# define TOLOWER(Ch) __tolower_l ((Ch), loc)
#endif
#ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define LOCALE_PARAM , locale_t loc
#else
# define LOCALE_PARAM
#endif
/* Compare S1 and S2, ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less than,
equal to or greater than S2. */
int
__strcasecmp (const char *s1, const char *s2 LOCALE_PARAM)
{
#if defined _LIBC && !defined USE_IN_EXTENDED_LOCALE_MODEL
locale_t loc = _NL_CURRENT_LOCALE;
#endif
const unsigned char *p1 = (const unsigned char *) s1;
const unsigned char *p2 = (const unsigned char *) s2;
int result;
if (p1 == p2)
return 0;
while ((result = TOLOWER (*p1) - TOLOWER (*p2++)) == 0)
if (*p1++ == '\0')
break;
return result;
}
#ifndef __strcasecmp
libc_hidden_def (__strcasecmp)
weak_alias (__strcasecmp, strcasecmp)
#endif
|
