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33a934a3 UD |
1 | /* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
33a934a3 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
33a934a3 | 14 | |
41bdb6e2 AJ |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
a482b5a5 | 19 | |
299a95b9 | 20 | #include <wchar.h> |
a482b5a5 | 21 | |
1b48c537 UD |
22 | #ifndef WCSCMP |
23 | # define WCSCMP wcscmp | |
24 | #endif | |
a482b5a5 RM |
25 | |
26 | /* Compare S1 and S2, returning less than, equal to or | |
299a95b9 | 27 | greater than zero if S1 is lexicographically less than, |
a482b5a5 RM |
28 | equal to or greater than S2. */ |
29 | int | |
1b48c537 | 30 | WCSCMP (s1, s2) |
299a95b9 RM |
31 | const wchar_t *s1; |
32 | const wchar_t *s2; | |
a482b5a5 | 33 | { |
59dd8641 | 34 | wint_t c1, c2; |
a482b5a5 RM |
35 | |
36 | do | |
37 | { | |
59dd8641 RM |
38 | c1 = (wint_t) *s1++; |
39 | c2 = (wint_t) *s2++; | |
a482b5a5 RM |
40 | if (c1 == L'\0') |
41 | return c1 - c2; | |
42 | } | |
43 | while (c1 == c2); | |
44 | ||
45 | return c1 - c2; | |
46 | } | |
1b48c537 | 47 | libc_hidden_def (WCSCMP) |