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-rw-r--r--wcsmbs/wcsncase.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/wcsmbs/wcsncase.c b/wcsmbs/wcsncase.c
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+/* Compare at most N wide characters of two strings without taking care
+ for the case.
+ Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <wchar.h>
+#include <wctype.h>
+
+#ifndef weak_alias
+# define __wcsncasecmp wcsncasecmp
+#endif
+
+/* Compare no more than N wide characters of S1 and S2,
+ ignoring case, returning less than, equal to or
+ greater than zero if S1 is lexicographically less
+ than, equal to or greater than S2. */
+int
+__wcsncasecmp (s1, s2, n)
+ const wchar_t *s1;
+ const wchar_t *s2;
+ size_t n;
+{
+ wint_t c1, c2;
+
+ if (s1 == s2 || n == 0)
+ return 0;
+
+ do
+ {
+ c1 = (wint_t) towlower (*s1++);
+ c2 = (wint_t) towlower (*s2++);
+ if (c1 == L'\0' || c1 != c2)
+ return c1 - c2;
+ } while (--n > 0);
+
+ return c1 - c2;
+}
+#ifdef weak_alias
+weak_alias (__wcsncasecmp, wcsncasecmp)
+#endif