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[gnulib.git] / lib / strcase.h

diff --git a/lib/strcase.h b/lib/strcase.h
index f17e648..07d4c9a 100644 (file)
--- a/lib/strcase.h
+++ b/lib/strcase.h
@@ -1,5 +1,5 @@
 /* Case-insensitive string comparison functions.
-   Copyright (C) 1995-1996, 2001, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1995-1996, 2001, 2003, 2005-2006 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -13,23 +13,44 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 #ifndef _STRCASE_H
 #define _STRCASE_H
 
 #include <stddef.h>
+/* Include header files with a possibly conflicting declarations of strcasecmp
+   before we define it as a macro, so that they will be no-ops if included
+   after strcasecmp is defined as a macro.  */
+#include <string.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* No known system has a strcasecmp() function that works correctly in
+   multibyte locales.  Therefore we use our version always.  */
+#define strcasecmp rpl_strcasecmp
 /* Compare strings 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.
-   Note: This function does not work correctly in multibyte locales.  */
+   Note: This function may, in multibyte locales, return 0 for strings of
+   different lengths!  */
 extern int strcasecmp (const char *s1, const char *s2);
 
 /* Compare no more than N characters of strings 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.
    Note: This function can not work correctly in multibyte locales.  */
+#if ! HAVE_DECL_STRNCASECMP
 extern int strncasecmp (const char *s1, const char *s2, size_t n);
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
 
 #endif /* _STRCASE_H */