From fa095a4504cbe668e4244547e2c141597bea4ecf Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Mon, 14 Sep 2009 12:32:44 +0200 Subject: Imported Upstream version 0.9.1 --- lib/unistr/u32-strcmp.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 lib/unistr/u32-strcmp.c (limited to 'lib/unistr/u32-strcmp.c') diff --git a/lib/unistr/u32-strcmp.c b/lib/unistr/u32-strcmp.c new file mode 100644 index 0000000..b82d5ed --- /dev/null +++ b/lib/unistr/u32-strcmp.c @@ -0,0 +1,36 @@ +/* Compare UTF-32 strings. + Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc. + Written by Bruno Haible , 2002. + + This program is free software: you can redistribute it and/or modify it + under the terms of 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. + + 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 + Lesser 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 . */ + +#include + +/* Specification. */ +#include "unistr.h" + +int +u32_strcmp (const uint32_t *s1, const uint32_t *s2) +{ + for (;;) + { + uint32_t uc1 = *s1++; + uint32_t uc2 = *s2++; + if (uc1 != 0 && uc1 == uc2) + continue; + /* Note that uc1 and uc2 each have at most 31 bits. */ + return (int)uc1 - (int)uc2; + /* > 0 if uc1 > uc2, < 0 if uc1 < uc2. */ + } +} -- cgit v1.2.3