| 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 |