New modules unistr/u{8,16,32}-strcoll.

diff --git a/ChangeLog b/ChangeLog
index 33c85fd9cc98ffa3423825994561136ad2c075be..6e79309c549e3397b0e0857167756cc840835775 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2009-02-07  Bruno Haible  <bruno@clisp.org>
 
+       * lib/unistr.h (u8_strcoll, u16_strcoll, u32_strcoll): New declations.
+
        New module 'unistr/u32-strcoll'.
        * modules/unistr/u32-strcoll: New file.
        * lib/unistr/u32-strcoll.c: New file.

diff --git a/lib/unistr.h b/lib/unistr.h
index 568a587bcacc762e17dc52f227af5ebf36a373b1..c551f2ce57c0239b8b09c748af301441a75b4da2 100644 (file)
--- a/lib/unistr.h
+++ b/lib/unistr.h
@@ -1,5 +1,5 @@
 /* Elementary Unicode string functions.
-   Copyright (C) 2001-2002, 2005-2008 Free Software Foundation, Inc.
+   Copyright (C) 2001-2002, 2005-2009 Free Software Foundation, Inc.
 
    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
@@ -553,6 +553,17 @@ extern int
 extern int
        u32_strcmp (const uint32_t *s1, const uint32_t *s2);
 
+/* Compare S1 and S2 using the collation rules of the current locale.
+   Return -1 if S1 < S2, 0 if S1 = S2, 1 if S1 > S2.
+   Upon failure, set errno and return any value.  */
+/* Similar to strcoll(), wcscoll().  */
+extern int
+       u8_strcoll (const uint8_t *s1, const uint8_t *s2);
+extern int
+       u16_strcoll (const uint16_t *s1, const uint16_t *s2);
+extern int
+       u32_strcoll (const uint32_t *s1, const uint32_t *s2);
+
 /* Compare no more than N units of S1 and S2.  */
 /* Similar to strncmp(), wcsncmp().  */
 extern int