add -e: do not show difference in a submodule that is merely dirty

diff --git a/builtin/blame.c b/builtin/blame.c
index 26a5d424b8ceb0fd403a492e46e3637fd35068ba..3e1f7e1e453f6ecc28fb910686c6580e77929556 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -1598,7 +1598,7 @@ static const char *format_time(unsigned long time, const char *tz_str,
        int tz;
 
        if (show_raw_time) {
-               sprintf(time_buf, "%lu %s", time, tz_str);
+               snprintf(time_buf, sizeof(time_buf), "%lu %s", time, tz_str);
        }
        else {
                tz = atoi(tz_str);