diff options
Diffstat (limited to 'converter/other/pngtopnm.c')
-rw-r--r-- | converter/other/pngtopnm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/converter/other/pngtopnm.c b/converter/other/pngtopnm.c index 90d8705c..59149acd 100644 --- a/converter/other/pngtopnm.c +++ b/converter/other/pngtopnm.c @@ -313,6 +313,13 @@ png_info *info_ptr; }; if (info_ptr->valid & PNG_INFO_tIME) { + if (info_ptr->mod_time.month < 1 || + info_ptr->mod_time.month >= ARRAY_SIZE(month)) { + pm_message("tIME chunk in PNG input is invalid; " + "modification time of image is unknown. " + "The month value, which should be in the range " + "1-12, is %u", info_ptr->mod_time.month); + } else pm_message ("modification time: %02d %s %d %02d:%02d:%02d", info_ptr->mod_time.day, month[info_ptr->mod_time.month], info_ptr->mod_time.year, info_ptr->mod_time.hour, |