Ripped from SuSe

http://lists.gnu.org/archive/html/bug-bash/2004-08/msg00005.html

From: schwab@suse.de
To: bug-bash@gnu.org
Subject: HISTTIMEFORMAT doesn't track locale changes
Date: Sun,  1 Aug 2004 11:14:00 +0200 (CEST)

Configuration Information [Automatically generated, do not change]:
Machine: ia64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='ia64' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='ia64-unknown-linux-gnu' -DCONF_VENDOR='unknown' -DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H  -I.  -I../bash-3.0 -I../bash-3.0/include -I../bash-3.0/lib   -O2 -g
uname output: Linux sykes 2.6.5-22-default #1 SMP Fri Jul 2 13:43:23 UTC 2004 ia64 ia64 ia64 GNU/Linux
Machine Type: ia64-unknown-linux-gnu

Bash Version: 3.0
Patch Level: 0
Release Status: release

Description:
Bash doesn't use the current locale when formatting HISTTIMEFORMAT.

Repeat-By:
sykes:/tmp/bash/Build/:[0]$ locale
LANG=de_DE.UTF-8
LC_CTYPE="de_DE.UTF-8"
LC_NUMERIC=POSIX
LC_TIME=POSIX
LC_COLLATE=POSIX
LC_MONETARY="de_DE.UTF-8"
LC_MESSAGES=en_US.UTF-8
LC_PAPER="de_DE.UTF-8"
LC_NAME="de_DE.UTF-8"
LC_ADDRESS="de_DE.UTF-8"
LC_TELEPHONE="de_DE.UTF-8"
LC_MEASUREMENT="de_DE.UTF-8"
LC_IDENTIFICATION="de_DE.UTF-8"
LC_ALL=
sykes:/tmp/bash/Build/:[0]$ history 1
 1502  history 1
sykes:/tmp/bash/Build/:[0]$ HISTTIMEFORMAT=%c
sykes:/tmp/bash/Build/:[0]$ history 1
 1504  Sun Aug  1 10:56:59 2004history 1
sykes:/tmp/bash/Build/:[0]$ export LC_TIME=$LANG
sykes:/tmp/bash/Build/:[0]$ history 1
 1506  Sun Aug  1 10:57:24 2004history 1

--- bash-3.0/locale.c
+++ bash-3.0/locale.c
@@ -71,9 +71,10 @@ set_default_locale ()
   textdomain (PACKAGE);
 }
 
-/* Set default values for LC_CTYPE, LC_COLLATE, LC_MESSAGES and LC_NUMERIC
-   if they are not specified in the environment, but LC_ALL is.  This
-   should be called from main() after parsing the environment. */
+/* Set default values for LC_CTYPE, LC_COLLATE, LC_MESSAGES, LC_NUMERIC
+   and LC_TIME if they are not specified in the environment, but LC_ALL
+   is.  This should be called from main() after parsing the
+   environment. */
 void
 set_default_locale_vars ()
 {
@@ -109,6 +110,12 @@ set_default_locale_vars ()
     setlocale (LC_NUMERIC, lc_all);
 #  endif /* LC_NUMERIC */
 
+#  if defined (LC_TIME)
+  val = get_string_value ("LC_TIME");
+  if (val == 0 && lc_all && *lc_all)
+    setlocale (LC_TIME, lc_all);
+#  endif /* LC_TIME */
+
 #endif /* HAVE_SETLOCALE */
 
   val = get_string_value ("TEXTDOMAIN");
@@ -213,6 +220,13 @@ set_locale_var (var, value)
 	return (setlocale (LC_NUMERIC, get_locale_var ("LC_NUMERIC")) != 0);
 #  endif /* LC_NUMERIC */
     }
+  else if (var[3] == 'T' && var[4] == 'I')	/* LC_TIME */
+    {
+#  if defined (LC_TIME)
+      if (lc_all == 0 || *lc_all == '\0')
+	return (setlocale (LC_TIME, get_locale_var ("LC_TIME")) != 0);
+#  endif /* LC_TIME */
+    }
 #endif /* HAVE_SETLOCALE */
 
   return (0);
@@ -285,6 +299,9 @@ reset_locale_vars ()
 #  if defined (LC_NUMERIC)
   setlocale (LC_NUMERIC, get_locale_var ("LC_NUMERIC"));
 #  endif
+#  if defined (LC_TIME)
+  setlocale (LC_TIME, get_locale_var ("LC_TIME"));
+#  endif
 
   locale_setblanks ();  
 
--- bash-3.0/variables.c
+++ bash-3.0/variables.c
@@ -3646,6 +3646,7 @@ static struct name_and_function special_
   { "LC_CTYPE", sv_locale },
   { "LC_MESSAGES", sv_locale },
   { "LC_NUMERIC", sv_locale },
+  { "LC_TIME", sv_locale },
 
   { "MAIL", sv_mail },
   { "MAILCHECK", sv_mail },