projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 05b5cd1c | 1 | /* wcschr.c - Wide Character Search for POWER6+. |
| d4697bc9 | 2 | Copyright (C) 2012-2014 Free Software Foundation, Inc. |
| 15d0da8c WS |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 16 | License along with the GNU C Library; see the file COPYING.LIB. If | |
| 17 | not, see <http://www.gnu.org/licenses/>. */ | |
| 18 | ||
| 19 | #include <wchar.h> | |
| 20 | ||
| 05b5cd1c AZ |
21 | #ifndef WCSCHR |
| 22 | # define WCSCHR wcschr | |
| 23 | #endif | |
| 15d0da8c WS |
24 | |
| 25 | /* Find the first occurrence of WC in WCS. */ | |
| 26 | wchar_t * | |
| 05b5cd1c | 27 | WCSCHR (const wchar_t *wcs, const wchar_t wc) |
| 15d0da8c | 28 | { |
| 2e09a79a | 29 | const wchar_t *wcs2 = wcs + 1; |
| 15d0da8c WS |
30 | |
| 31 | if (*wcs == wc) | |
| 32 | return (wchar_t *) wcs; | |
| 33 | if (*wcs == L'\0') | |
| 34 | return NULL; | |
| 35 | ||
| 36 | do | |
| 37 | { | |
| 38 | wcs += 2; | |
| 39 | ||
| 40 | if (*wcs2 == wc) | |
| 41 | return (wchar_t *) wcs2; | |
| 42 | if (*wcs2 == L'\0') | |
| 43 | return NULL; | |
| 44 | wcs2 += 2; | |
| 45 | ||
| 46 | if (*wcs == wc) | |
| 47 | return (wchar_t *) wcs; | |
| 48 | if (*wcs == L'\0') | |
| 49 | return NULL; | |
| 50 | wcs += 2; | |
| 51 | ||
| 52 | if (*wcs2 == wc) | |
| 53 | return (wchar_t *) wcs2; | |
| 54 | if (*wcs2 == L'\0') | |
| 55 | return NULL; | |
| 56 | wcs2 += 2; | |
| 57 | ||
| 58 | if (*wcs == wc) | |
| 59 | return (wchar_t *) wcs; | |
| 60 | if (*wcs == L'\0') | |
| 61 | return NULL; | |
| 62 | wcs += 2; | |
| 63 | ||
| 64 | if (*wcs2 == wc) | |
| 65 | return (wchar_t *) wcs2; | |
| 66 | if (*wcs2 == L'\0') | |
| 67 | return NULL; | |
| 68 | wcs2 += 2; | |
| 69 | ||
| 70 | if (*wcs == wc) | |
| 71 | return (wchar_t *) wcs; | |
| 72 | if (*wcs == L'\0') | |
| 73 | return NULL; | |
| 74 | wcs += 2; | |
| 75 | ||
| 76 | if (*wcs2 == wc) | |
| 77 | return (wchar_t *) wcs2; | |
| 78 | if (*wcs2 == L'\0') | |
| 79 | return NULL; | |
| 80 | wcs2 += 2; | |
| 81 | ||
| 82 | if (*wcs == wc) | |
| 83 | return (wchar_t *) wcs; | |
| 84 | } | |
| 85 | while (*wcs != L'\0'); | |
| 86 | ||
| 87 | return NULL; | |
| 88 | } | |
| 89 | libc_hidden_def (wcschr) |