Exemplo n.º 1
0
// Grows a ntry table for a MLU. Each time this function is called, table size is multiplied times two.
static
cmsBool GrowMLUtable(cmsMLU* mlu)
{
    int AllocatedEntries;
    _cmsMLUentry *NewPtr;

    // Sanity check
    if (mlu == NULL) return FALSE;

    AllocatedEntries = mlu ->AllocatedEntries * 2;

    // Check for overflow
    if (AllocatedEntries / 2 != mlu ->AllocatedEntries) return FALSE;

    // Reallocate the memory
    NewPtr = (_cmsMLUentry*)_cmsRealloc(mlu ->ContextID, mlu ->Entries, AllocatedEntries*sizeof(_cmsMLUentry));
    if (NewPtr == NULL) return FALSE;

    mlu ->Entries          = NewPtr;
    mlu ->AllocatedEntries = AllocatedEntries;

    return TRUE;
}
Exemplo n.º 2
0
// Grow the list to keep at least NumElements
static
cmsBool  GrowNamedColorList(cmsNAMEDCOLORLIST* v)
{
    cmsUInt32Number size;
    _cmsNAMEDCOLOR * NewPtr;

    if (v == NULL) return FALSE;

    if (v ->Allocated == 0)
        size = 64;   // Initial guess
    else
        size = v ->Allocated * 2;

    // Keep a maximum color lists can grow, 100K entries seems reasonable
    if (size > 1024*100) return FALSE;

    NewPtr = (_cmsNAMEDCOLOR*) _cmsRealloc(v ->ContextID, v ->List, size * sizeof(_cmsNAMEDCOLOR));
    if (NewPtr == NULL)
        return FALSE;

    v ->List      = NewPtr;
    v ->Allocated = size;
    return TRUE;
}