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| author | Marti Maria <marti.maria@littlecms.com> | 2023-01-03 11:24:47 +0100 |
|---|---|---|
| committer | Marti Maria <marti.maria@littlecms.com> | 2023-01-03 11:24:47 +0100 |
| commit | 37eddd2d8787dbc5d707044cab0762bfc879fb3e (patch) | |
| tree | 54337e1bfd4d47b86a76178605ee1bfb2ca6fc9d /src | |
| parent | ef7bd0de652e2a3295026093225c7820611ee0c8 (diff) | |
| download | lcms2-37eddd2d8787dbc5d707044cab0762bfc879fb3e.tar.gz | |
sanitize cmsBuildTabulatedToneCurveFloat against bad API usage
sanitize cmsBuildTabulatedToneCurveFloat against bad API usage
Fix for #351
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmscnvrt.c | 2 | ||||
| -rw-r--r-- | src/cmsgamma.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/cmscnvrt.c b/src/cmscnvrt.c index e8a51ae..bca5796 100644 --- a/src/cmscnvrt.c +++ b/src/cmscnvrt.c @@ -234,7 +234,7 @@ cmsFloat64Number CHAD2Temp(const cmsMAT3* Chad) // Compute a CHAD based on a given temperature static - void Temp2CHAD(cmsMAT3* Chad, cmsFloat64Number Temp) +void Temp2CHAD(cmsMAT3* Chad, cmsFloat64Number Temp) { cmsCIEXYZ White; cmsCIExyY ChromaticityOfWhite; diff --git a/src/cmsgamma.c b/src/cmsgamma.c index 94c0aef..5abbf16 100644 --- a/src/cmsgamma.c +++ b/src/cmsgamma.c @@ -823,6 +823,10 @@ cmsToneCurve* CMSEXPORT cmsBuildTabulatedToneCurveFloat(cmsContext ContextID, cm { cmsCurveSegment Seg[3]; + // Do some housekeeping + if (nEntries == 0 || values == NULL) + return NULL; + // A segmented tone curve should have function segments in the first and last positions // Initialize segmented curve part up to 0 to constant value = samples[0] Seg[0].x0 = MINUS_INF; |