Coverity Scan: mamedev/mame
| Project Name | mamedev/mame |
|---|---|
| Lines of code analyzed | 8,878,037 |
| On Coverity Scan since | Jul 11, 2015 |
| Last build analyzed | about 1 month 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: mame0287-532-gcc5d6369f6e
- May 06, 2026
- Last Analyzed
- 8,878,037
- Lines of Code Analyzed
- 7,871,366
- Lines of Code in Selected Components
- 1.79
- Defect Density
Defect changes since previous build dated May 05, 2026
- 0
- Newly detected
- 0
- Eliminated
Defects by status for current build
- 38,618
- Total defects
- 14,058
- Outstanding
- 23,789
- 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 | 844,258 | N/A |
| msys64 | /msys64/.* | Yes | 0 | N/A |
| generated | /build/generated/.* | No | 783,929 | 0.02 |
| devices | /src/devices/.* | No | 4,077,823 | 2.86 |
| emu | /src/emu/.* | No | 85,839 | 1.91 |
| frontend | /src/frontend/.* | No | 43,689 | 1.14 |
| formats | /src/lib/formats/.* | No | 47,647 | 2.64 |
| netlist | /src/lib/netlist/.* | No | 116,815 | 0.51 |
| util | /src/lib/util/.* | No | 29,896 | 4.42 |
| mame | /src/mame/.* | No | 2,485,088 | 0.65 |
| osd | /src/osd/.* | No | 50,920 | 2.10 |
| tools | /src/tools/.* | No | 42,934 | 2.79 |
| zexall | /src/zexall/.* | No | 0 | N/A |
| System includes | /usr/include/.* | Yes | 162,413 | N/A |
| Other | .* | No | 106,786 | 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 | 388 |
| 676 | Use of Potentially Dangerous Function | 8 |
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About Coverity Scan Static Analysis
Find and fix defects in your C/C++, Java, JavaScript or C# open source project for free.
Coverity Scan tests every line of code and potential execution path. The root cause of each defect is clearly explained, making it easy to fix bugs.
