File: | src/lib/libc/string/wcsstr.c |
Warning: | line 52, column 2 Value stored to 'q' is never read |
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1 | /* $OpenBSD: wcsstr.c,v 1.5 2015/10/01 02:32:07 guenther Exp $ */ |
2 | /* $NetBSD: wcsstr.c,v 1.3 2003/03/05 20:18:17 tshiozak Exp $ */ |
3 | |
4 | /*- |
5 | * Copyright (c)1999 Citrus Project, |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 | * SUCH DAMAGE. |
28 | * |
29 | * citrus Id: wcsstr.c,v 1.2 2000/12/21 05:07:25 itojun Exp |
30 | */ |
31 | |
32 | #include <wchar.h> |
33 | |
34 | wchar_t * |
35 | #ifdef WCSWCS |
36 | wcswcs(const wchar_t *big, const wchar_t *little) |
37 | #else |
38 | wcsstr(const wchar_t *big, const wchar_t *little) |
39 | #endif |
40 | { |
41 | const wchar_t *p; |
42 | const wchar_t *q; |
43 | const wchar_t *r; |
44 | |
45 | if (!*little) { |
46 | return (wchar_t *)big; |
47 | } |
48 | if (wcslen(big) < wcslen(little)) |
49 | return NULL((void *)0); |
50 | |
51 | p = big; |
52 | q = little; |
Value stored to 'q' is never read | |
53 | while (*p) { |
54 | q = little; |
55 | r = p; |
56 | while (*q) { |
57 | if (*r != *q) |
58 | break; |
59 | q++; |
60 | r++; |
61 | } |
62 | if (!*q) { |
63 | return (wchar_t *)p; |
64 | } |
65 | p++; |
66 | } |
67 | return NULL((void *)0); |
68 | } |
69 | #ifndef WCSWCS |
70 | DEF_STRONG(wcsstr)__asm__(".global " "wcsstr" " ; " "wcsstr" " = " "_libc_wcsstr" ); |
71 | #endif |