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-rw-r--r--gettext.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/gettext.c b/gettext.c
index 8b2da4641f..7378ba287f 100644
--- a/gettext.c
+++ b/gettext.c
@@ -18,6 +18,31 @@
# endif
#endif
+/*
+ * Guess the user's preferred languages from the value in LANGUAGE environment
+ * variable and LC_MESSAGES locale category if NO_GETTEXT is not defined.
+ *
+ * The result can be a colon-separated list like "ko:ja:en".
+ */
+const char *get_preferred_languages(void)
+{
+ const char *retval;
+
+ retval = getenv("LANGUAGE");
+ if (retval && *retval)
+ return retval;
+
+#ifndef NO_GETTEXT
+ retval = setlocale(LC_MESSAGES, NULL);
+ if (retval && *retval &&
+ strcmp(retval, "C") &&
+ strcmp(retval, "POSIX"))
+ return retval;
+#endif
+
+ return NULL;
+}
+
#ifdef GETTEXT_POISON
int use_gettext_poison(void)
{