ShuriZma
/
stella
mirror of https://github.com/stella-emu/stella.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

safety fix for unusual small ROMs.

This commit is contained in:
Thomas Jentzsch 2019-04-01 16:03:14 +02:00
parent 8c8128934c
commit ff65426954
1 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/emucore/ControllerDetector.cxx
View File

@ -85,21 +85,22 @@ string ControllerDetector::autodetectPort(const uInt8* image, uInt32 size,
bool ControllerDetector::searchForBytes(const uInt8* image, uInt32 imagesize,
const uInt8* signature, uInt32 sigsize)
{
for(uInt32 i = 0; i < imagesize - sigsize; ++i)
{
uInt32 matches = 0;
for(uInt32 j = 0; j < sigsize; ++j)
if (imagesize >= sigsize)
for(uInt32 i = 0; i < imagesize - sigsize; ++i)
{
if(image[i + j] == signature[j])
++matches;
else
break;
uInt32 matches = 0;
for(uInt32 j = 0; j < sigsize; ++j)
{
if(image[i + j] == signature[j])
++matches;
else
break;
}
if(matches == sigsize)
{
return true;
}
}
if(matches == sigsize)
{
return true;
}
}
return false;
}