(mu_strftime): New function

@@ -145,6 +145,10 @@ extern int mu_is_proto (const char *p);
 
 extern int mu_mh_delim (const char *str);
 
+extern size_t mu_strftime (char *s, size_t max, const char *format,
+			   const struct tm *tm);
+  
+  
 #ifdef __cplusplus
 }
 #endif

@@ -1354,4 +1354,15 @@ __argp_base_name (const char *arg)
   return p ? p + 1 : arg;
 }
 
+/* A locale-independent version of strftime */
+size_t
+mu_strftime (char *s, size_t max, const char *format, const struct tm *tm)
+{
+  size_t size;
+  mu_set_locale ("C");
+  size = strftime(s, max, format, tm);
+  mu_restore_locale ();
+  return size;
+}
+