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engine: imagelib: handle loading truncated palette files, by filling remaining bytes with zeros

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This commit is contained in:
Alibek Omarov
2025-01-22 19:21:51 +03:00
parent b554d7e215
commit 9f322df498
1 changed files with 10 additions and 2 deletions
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12
engine/common/imagelib/img_wad.c
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@@ -28,12 +28,20 @@ Image_LoadPAL
qboolean Image_LoadPAL( const char *name, const byte *buffer, fs_offset_t filesize )
{
int rendermode = LUMP_NORMAL;
byte pal[768];
if( filesize != 768 )
if( filesize > sizeof( pal ))
{
Con_DPrintf( S_ERROR "%s: (%s) have invalid size (%li should be %d)\n", __func__, name, (long)filesize, 768 );
Con_DPrintf( S_ERROR "%s: (%s) have invalid size (%li should be less or equal than %d)\n", __func__, name, (long)filesize, sizeof( pal ));
return false;
}
else if( filesize < sizeof( pal ) && buffer != NULL )
{
// palette might be truncated, fill it with zeros
memset( pal, 0, sizeof( pal ));
memcpy( pal, buffer, filesize );
buffer = pal;
}
if( name[0] == '#' )
{