Setting of custom locale in tztime configuration. (#168)

To be able to show my birth country's time zone in that country's locale, and my local time in my current locale.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/print_time.c b/src/print_time.c
index 9fa6642..c8da9d6 100644
--- a/src/print_time.c
+++ b/src/print_time.c
@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <locale.h>
 #include <yajl/yajl_gen.h>
 #include <yajl/yajl_version.h>
 
@@ -33,7 +34,7 @@ void set_timezone(const char *tz) {
     }
 }
 
-void print_time(yajl_gen json_gen, char *buffer, const char *title, const char *format, const char *tz, const char *format_time, time_t t) {
+void print_time(yajl_gen json_gen, char *buffer, const char *title, const char *format, const char *tz, const char *locale, const char *format_time, time_t t) {
     const char *walk;
     char *outwalk = buffer;
     struct tm tm;
@@ -45,6 +46,10 @@ void print_time(yajl_gen json_gen, char *buffer, const char *title, const char *
     set_timezone(tz);
     localtime_r(&t, &tm);
 
+    if (locale != NULL) {
+        setlocale(LC_ALL, locale);
+    }
+
     if (format_time == NULL) {
         strftime(timebuf, sizeof(timebuf), format, &tm);
         maybe_escape_markup(timebuf, &outwalk);
@@ -63,6 +68,10 @@ void print_time(yajl_gen json_gen, char *buffer, const char *title, const char *
         }
     }
 
+    if (locale != NULL) {
+        setlocale(LC_ALL, "");
+    }
+
     *outwalk = '\0';
     OUTPUT_FULL_TEXT(buffer);
 }