Add gimp_bind_text_domain () utility function

On UNIX it's just a stub calling bindtextdomain () directly;
on Windows it converts the path to UTF-16 and calls wbindtextdomain ().

libgimpbase/gimpbase.def

@@ -7,6 +7,7 @@ EXPORTS
 	gimp_array_new
 	gimp_base_compat_enums_init
 	gimp_base_init
+	gimp_bind_text_domain
 	gimp_brush_generated_shape_get_type
 	gimp_cache_directory
 	gimp_canonicalize_identifier

libgimpbase/gimputils.c

@@ -1623,6 +1623,38 @@ gimp_range_estimate_settings (gdouble  lower,
     }
 }
 
+/**
+ * gimp_bind_text_domain:
+ * @domain_name: a gettext domain name
+ * @dir_name:    path of the catalog directory
+ *
+ * This function wraps bindtextdomain on UNIX and wbintextdomain on Windows.
+ * @dir_name is expected to be in the encoding used by the C library on UNIX
+ * and UTF-8 on Windows.
+ *
+ * Since: 3.0
+ **/
+void
+gimp_bind_text_domain (const gchar *domain_name,
+                       const gchar *dir_name)
+{
+#if defined (_WIN32) && !defined (__CYGWIN__)
+  wchar_t *dir_name_utf16 = g_utf8_to_utf16 (dir_name, -1, NULL, NULL, NULL);
+
+  if G_UNLIKELY (!dir_name_utf16)
+    {
+      g_printerr ("[%s] Cannot translate the catalog directory to UTF-16\n", __func__);
+    }
+  else
+    {
+      wbindtextdomain (domain_name, dir_name_utf16);
+      g_free (dir_name_utf16);
+    }
+#else
+  bindtextdomain (domain_name, dir_name);
+#endif
+}
+
 
 /* Private functions. */
 

libgimpbase/gimputils.h

@@ -88,6 +88,8 @@ void                  gimp_range_estimate_settings   (gdouble            lower,
                                                       gdouble           *page,
                                                       gint              *digits);
 
+void                  gimp_bind_text_domain          (const gchar       *domain_name,
+                                                      const gchar       *dir_name);
 
 G_END_DECLS