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cnpy.h::npy_save: fix bug when nels = 0 and data = NULL #87

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cnpy.h::npy_save: fix bug when nels = 0 and data = NULL #87

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4 changes: 3 additions & 1 deletion cnpy.h
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Original file line number Diff line number Diff line change
Expand Up @@ -169,7 +169,9 @@ namespace cnpy {

//get the CRC of the data to be added
uint32_t crc = crc32(0L,(uint8_t*)&npy_header[0],npy_header.size());
crc = crc32(crc,(uint8_t*)data,nels*sizeof(T));

if (nels)
crc = crc32(crc,(uint8_t*)data,nels*sizeof(T));

//build the local header
std::vector<char> local_header;
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