| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifdef HAVE_CONFIG_H |
| 19 | # include <config.h> |
| 20 | #endif |
| 21 | |
| 22 | #include <wctype.h> |
| 23 | #include <wchar.h> |
| 24 | |
| 25 | #ifndef weak_alias |
| 26 | # define __wcscasecmp wcscasecmp |
| 27 | # define TOLOWER(Ch) towlower (Ch) |
| 28 | #else |
| 29 | # ifdef USE_IN_EXTENDED_LOCALE_MODEL |
| 30 | # define __wcscasecmp __wcscasecmp_l |
| 31 | # define TOLOWER(Ch) __towlower_l ((Ch), loc) |
| 32 | # else |
| 33 | # define TOLOWER(Ch) towlower (Ch) |
| 34 | # endif |
| 35 | #endif |
| 36 | |
| 37 | #ifdef USE_IN_EXTENDED_LOCALE_MODEL |
| 38 | # define LOCALE_PARAM , __locale_t loc |
| 39 | #else |
| 40 | # define LOCALE_PARAM |
| 41 | #endif |
| 42 | |
| 43 | /* Compare S1 and S2, ignoring case, returning less than, equal to or |
| 44 | greater than zero if S1 is lexicographically less than, |
| 45 | equal to or greater than S2. */ |
| 46 | int |
| 47 | __wcscasecmp (const wchar_t *s1, const wchar_t *s2 LOCALE_PARAM) |
| 48 | { |
| 49 | wint_t c1, c2; |
| 50 | |
| 51 | if (s1 == s2) |
| 52 | return 0; |
| 53 | |
| 54 | do |
| 55 | { |
| 56 | c1 = TOLOWER (*s1++); |
| 57 | c2 = TOLOWER (*s2++); |
| 58 | if (c1 == L'\0') |
| 59 | break; |
| 60 | } |
| 61 | while (c1 == c2); |
| 62 | |
| 63 | return c1 - c2; |
| 64 | } |
| 65 | #ifndef __wcscasecmp |
| 66 | weak_alias (__wcscasecmp, wcscasecmp) |
| 67 | #endif |