Mercurial > gnulib
view lib/wcscmp-impl.h @ 40242:e84036edb2ff
bitset, timevar: Depend on c99
Reported by Bruno Haible.
* modules/bitset, modules/timevar (Depends-on): Add c99.
author | Akim Demaille <akim.demaille@gmail.com> |
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date | Sun, 17 Mar 2019 08:34:22 +0100 |
parents | b06060465f09 |
children |
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/* Compare two wide strings. Copyright (C) 1999, 2011-2019 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 1999. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ int wcscmp (const wchar_t *s1, const wchar_t *s2) { for (;;) { wchar_t wc1 = *s1++; wchar_t wc2 = *s2++; if (wc1 != (wchar_t)'\0' && wc1 == wc2) continue; /* Note that wc1 and wc2 each have at most 31 bits. */ return (int)wc1 - (int)wc2; /* > 0 if wc1 > wc2, < 0 if wc1 < wc2, = 0 if wc1 and wc2 are both '\0'. */ } }