Coverity Scan: mamedev/mame
| Project Name | mamedev/mame |
|---|---|
| Lines of code analyzed | 8,854,706 |
| On Coverity Scan since | Jul 11, 2015 |
| Last build analyzed | 3 days ago |
| Language | C/C++ |
| Repository URL | https://github.com/mamedev/mame |
| Homepage URL | http://www.mamedev.org/ |
| License | GPL (GNU General Public License version ) |
Preview - Project Summary
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Version: mame0287-97-g5f88205caa4
- Apr 01, 2026
- Last Analyzed
- 8,854,706
- Lines of Code Analyzed
- 7,865,200
- Lines of Code in Selected Components
- 1.78
- Defect Density
Defect changes since previous build dated Mar 29, 2026
- 5
- Newly detected
- 1
- Eliminated
Defects by status for current build
- 38,427
- Total defects
- 14,027
- Outstanding
- 23,697
- Fixed
See how defect density for 'mamedev/mame' compares with defect density for other open source projects. Learn more
Note: Defect density is measured by the number of defects per 1,000 lines of code.
Analysis Metrics per Components
| Component Name | Pattern | Ignore | Line of Code | Defect density |
|---|---|---|---|---|
| 3rdparty | /3rdparty/.* | Yes | 848,198 | N/A |
| msys64 | /msys64/.* | Yes | 0 | N/A |
| generated | /build/generated/.* | No | 783,334 | 0.02 |
| devices | /src/devices/.* | No | 4,076,456 | 2.86 |
| emu | /src/emu/.* | No | 86,058 | 1.91 |
| frontend | /src/frontend/.* | No | 43,530 | 1.15 |
| formats | /src/lib/formats/.* | No | 47,642 | 2.64 |
| netlist | /src/lib/netlist/.* | No | 116,708 | 0.51 |
| util | /src/lib/util/.* | No | 29,849 | 4.42 |
| mame | /src/mame/.* | No | 2,482,215 | 0.65 |
| osd | /src/osd/.* | No | 50,848 | 2.08 |
| tools | /src/tools/.* | No | 42,935 | 2.77 |
| zexall | /src/zexall/.* | No | 0 | N/A |
| System includes | /usr/include/.* | Yes | 141,308 | N/A |
| Other | .* | No | 106,785 | 0.00 |
CWE Top 25 defects
| ID | CWE-Name | Number of Defects |
|---|---|---|
| 120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | 14 |
| 131 | Incorrect Calculation of Buffer Size | 2 |
| 190 | Integer Overflow or Wraparound | 384 |
| 676 | Use of Potentially Dangerous Function | 8 |
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