blob: aad862601606160dff0063099a8c48a7b0060a02 (
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/* wcsrchr.c - Wide Character Reverse Search for POWER6+.
Copyright (C) 2012-2015 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; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <wchar.h>
#ifndef WCSRCHR
# define WCSRCHR wcsrchr
#endif
/* Find the last occurrence of WC in WCS. */
wchar_t *
WCSRCHR (const wchar_t *wcs, const wchar_t wc)
{
const wchar_t *wcs2 = wcs + 1;
const wchar_t *retval = NULL;
if (*wcs == wc)
retval = wcs;
if (*wcs == L'\0') return (wchar_t *) retval;
do
{
wcs+=2;
if (*wcs2 == wc)
retval = wcs2;
if (*wcs2 == L'\0')
return (wchar_t *) retval;
wcs2+=2;
if (*wcs == wc)
retval = wcs;
if (*wcs == L'\0')
return (wchar_t *) retval;
wcs+=2;
if (*wcs2 == wc)
retval = wcs2;
if (*wcs2 == L'\0')
return (wchar_t *) retval;
wcs2+=2;
if (*wcs == wc)
retval = wcs;
if (*wcs == L'\0')
return (wchar_t *) retval;
wcs+=2;
if (*wcs2 == wc)
retval = wcs2;
if (*wcs2 == L'\0')
return (wchar_t *) retval;
wcs2+=2;
if (*wcs == wc)
retval = wcs;
if (*wcs == L'\0')
return (wchar_t *) retval;
wcs+=2;
if (*wcs2 == wc)
retval = wcs2;
if (*wcs2 == L'\0')
return (wchar_t *) retval;
wcs2+=2;
if (*wcs == wc)
retval = wcs;
}
while (*wcs != L'\0');
return (wchar_t *) retval;
}
|
