1 files changed, 17 insertions, 0 deletions
diff --git a/crawl-ref/source/stuff.cc b/crawl-ref/source/stuff.cc
index fa7c276f68..b447c4be30 100644
--- a/crawl-ref/source/stuff.cc
+++ b/crawl-ref/source/stuff.cc
@@ -142,6 +142,23 @@ std::string make_time_string(time_t abs_time, bool terse)
     return buff.str();
 }
 
+std::string make_file_time(time_t when)
+{
+    if (tm *loc = TIME_FN(&when))
+    {
+        char buf[25];
+        snprintf(buf, sizeof buf, "%04d%02d%02d-%02d%02d%02d",
+                 loc->tm_year + 1900,
+                 loc->tm_mon + 1,
+                 loc->tm_mday,
+                 loc->tm_hour,
+                 loc->tm_min,
+                 loc->tm_sec);
+        return (buf);
+    }
+    return ("");
+}
+
 void set_redraw_status(unsigned long flags)
 {
     you.redraw_status_flags |= flags;