Merge commit '8cafeb8b'

* commit '8cafeb8b':
  mxfdec: Validate parameters to strftime

Conflicts:
	libavformat/mxfdec.c

See: 423089e9Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/mxfdec.c

@@ -1704,9 +1704,14 @@ static int mxf_timestamp_to_str(uint64_t timestamp, char **str)
     time.tm_min  = (timestamp >> 16 & 0xFF);
     time.tm_sec  = (timestamp >> 8  & 0xFF);
 
-    /* ensure month/day are valid */
-    time.tm_mon  = FFMAX(time.tm_mon, 0);
-    time.tm_mday = FFMAX(time.tm_mday, 1);
+    /* msvcrt versions of strftime calls the invalid parameter handler
+     * (aborting the process if one isn't set) if the parameters are out
+     * of range. */
+    time.tm_mon  = av_clip(time.tm_mon,  0, 11);
+    time.tm_mday = av_clip(time.tm_mday, 1, 31);
+    time.tm_hour = av_clip(time.tm_hour, 0, 23);
+    time.tm_min  = av_clip(time.tm_min,  0, 59);
+    time.tm_sec  = av_clip(time.tm_sec,  0, 59);
 
     *str = av_mallocz(32);
     if (!*str)