| /* Compare UTF-32 strings. |
| Copyright (C) 1999, 2002, 2006, 2009-2020 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 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 <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| /* 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. */ |
| } |
| } |