localename: Make aware of thread locale.

[pspp] / ChangeLog

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+2009-12-23  Bruno Haible  <bruno@clisp.org>
+
+       localename: Make aware of thread locale.
+       * lib/localename.h (gl_locale_name_thread): New declaration.
+       (gl_locale_name, gl_locale_name_posix, gl_locale_name_default): Clarify
+       behaviour with respect to thread locale.
+       * lib/localename.c: Include <limits.h>, <stddef.h>, <xlocale.h>,
+       <langinfo.h>, glthread/lock.h.
+       (SIZE_BITS): New macro.
+       (string_hash): New function.
+       (struct hash_node): New type.
+       (HASH_TABLE_SIZE): New macro.
+       (struniq_hash_table, struniq_lock): New variables.
+       (struniq): New function.
+       (gl_locale_name_thread): New function.
+       (gl_locale_name): Invoke it.
+       * m4/localename.m4 (gl_LOCALENAME): Test for uselocale function.
+       * modules/localename (Depends-on): Add lock.
+       Reported by Mike Gran <spk121@yahoo.com>.
+
 2009-12-23  Eric Blake  <ebb9@byu.net>
 
        va-args: new module