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Properly treat byte count vs. number of floats #6

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Oct 19, 2021
Merged

Properly treat byte count vs. number of floats #6

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5 changes: 3 additions & 2 deletions core/accelogic/src/ZipAccelogic.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ void R__zipBLAST(int cxlevel, int *srcsize, char *src, int *tgtsize, char *tgt,
size_t out_size;

if (cxlevel < 71 && (*srcsize % 4 == 0)) {
int float_size = *srcsize / 4;
size_t float_size = *srcsize / 4;
// Use "absSense". We shift the request config from [1,71] to [-60, 10]
auto absSensLevel = cxlevel - 61;
// Note: We need to check the source really start of a float boundary.
Expand Down Expand Up @@ -79,7 +79,8 @@ void R__unzipBLAST(int *srcsize, unsigned char *src, int *tgtsize, unsigned char
auto absSensLevel = cxlevel - 61;
// Note: We need to check the destination really start of a float boundary.
float *staging = nullptr;
size_t out_size = blast1_decompress<true>(absSensLevel, (char*)(&src[kHeaderSize]), *srcsize, staging);
size_t float_size = blast1_decompress<true>(absSensLevel, (char*)(&src[kHeaderSize]), *srcsize, staging);
size_t out_size = float_size * 4;
// Note: We need to upgrade blast to avoid the memcpy
if ( out_size > (size_t)*tgtsize ) {
delete [] staging;
Expand Down