diff options
Diffstat (limited to 'lib/unistr/u8-cmp.c')
| -rw-r--r-- | lib/unistr/u8-cmp.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/lib/unistr/u8-cmp.c b/lib/unistr/u8-cmp.c index ac2431c..6921da2 100644 --- a/lib/unistr/u8-cmp.c +++ b/lib/unistr/u8-cmp.c @@ -1,28 +1,27 @@ /* Compare pieces of UTF-8 strings. - Copyright (C) 2002, 2006, 2009-2018 Free Software Foundation, Inc. + Copyright (C) 2002, 2006, 2009-2022 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2002. - This program is free software: you can redistribute it and/or - modify it under the terms of either: - - * the GNU Lesser General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your - option) any later version. - - or - - * the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your - option) any later version. - - or both in parallel, as here. - This program is distributed in the hope that it will be useful, + This file is free software. + It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+". + You can redistribute it and/or modify it under either + - the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 3, or (at your + option) any later version, or + - the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) + any later version, or + - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+". + + This file 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 - Lesser General Public License for more details. + Lesser General Public License and the GNU General Public License + for more details. - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see <https://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU Lesser General Public + License and of the GNU General Public License along with this + program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> @@ -35,5 +34,5 @@ int u8_cmp (const uint8_t *s1, const uint8_t *s2, size_t n) { /* Use the fact that the UTF-8 encoding preserves lexicographic order. */ - return memcmp ((const char *) s1, (const char *) s2, n); + return n == 0 ? 0 : memcmp ((const char *) s1, (const char *) s2, n); } |