mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-11-10 23:02:08 +00:00
- fixed crash on bad PNGs.
The cast to a signed long could create negative numbers which failed the sanity check and caused a stack corruption.
This commit is contained in:
parent
f049e6145b
commit
1febf277af
1 changed files with 1 additions and 1 deletions
|
@ -576,7 +576,7 @@ bool M_ReadIDAT (FileReader *file, uint8_t *buffer, int width, int height, int p
|
|||
if (stream.avail_in == 0 && chunklen > 0)
|
||||
{
|
||||
stream.next_in = chunkbuffer;
|
||||
stream.avail_in = (uInt)file->Read (chunkbuffer, MIN<long>(chunklen,sizeof(chunkbuffer)));
|
||||
stream.avail_in = (uInt)file->Read (chunkbuffer, MIN<uint32_t>(chunklen,sizeof(chunkbuffer)));
|
||||
chunklen -= stream.avail_in;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue