Mercurial > gnulib
view lib/wcsncasecmp-impl.h @ 40227:5207eb0dcd2a
tests: Avoid havoc with "gcc -fcheck-pointer-bounds".
* tests/test-fprintf-posix2.c: Skip the test when -fcheck-pointer-bounds
is in use.
* tests/test-printf-posix2.c: Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 10 Mar 2019 17:09:30 +0100 |
parents | b06060465f09 |
children |
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/* Compare two wide strings ignoring case. Copyright (C) 1999, 2011-2019 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2011. 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 wcsncasecmp (const wchar_t *s1, const wchar_t *s2, size_t n) { for (; n > 0;) { wchar_t wc1 = towlower (*s1++); wchar_t wc2 = towlower (*s2++); if (wc1 != (wchar_t)'\0' && wc1 == wc2) { n--; 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'. */ } return 0; }