diff options
Diffstat (limited to 'third_party/lcms2-2.6/src/cmstypes.c')
-rw-r--r-- | third_party/lcms2-2.6/src/cmstypes.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/third_party/lcms2-2.6/src/cmstypes.c b/third_party/lcms2-2.6/src/cmstypes.c index 04dd0c4e00..386439ba2b 100644 --- a/third_party/lcms2-2.6/src/cmstypes.c +++ b/third_party/lcms2-2.6/src/cmstypes.c @@ -4297,8 +4297,12 @@ void *Type_MPEclut_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, // Copy MAX_INPUT_DIMENSIONS at most. Expand to cmsUInt32Number nMaxGrids = InputChans > MAX_INPUT_DIMENSIONS ? MAX_INPUT_DIMENSIONS : InputChans; - for (i=0; i < nMaxGrids; i++) GridPoints[i] = (cmsUInt32Number) Dimensions8[i]; + for (i = 0; i < nMaxGrids; i++) { + if (Dimensions8[i] == 1) goto Error; // Impossible value, 0 for no CLUT and then 2 at least + GridPoints[i] = (cmsUInt32Number)Dimensions8[i]; + } + // Allocate the true CLUT mpe = cmsStageAllocCLutFloatGranular(self ->ContextID, GridPoints, InputChans, OutputChans, NULL); if (mpe == NULL) goto Error; |