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Merge pull request #2424 from ihsinme/patch-1

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fix Integer Overflow
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Yann Collet 2020-12-14 16:22:09 -08:00 committed by GitHub
commit 6899855a63
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programs/dibio.c
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@ -301,7 +301,7 @@ int DiB_trainFromFiles(const char* dictFileName, unsigned maxDictSize,
DISPLAYLEVEL(2, "! Alternatively, split files into fixed-size blocks representative of samples, with -B# \n");
EXM_THROW(14, "nb of samples too low"); /* we now clearly forbid this case */
}
if (fs.totalSizeToLoad < (unsigned long long)(8 * maxDictSize)) {
if (fs.totalSizeToLoad < (unsigned long long)maxDictSize * 8) {
DISPLAYLEVEL(2, "! Warning : data size of samples too small for target dictionary size \n");
DISPLAYLEVEL(2, "! Samples should be about 100x larger than target dictionary size \n");
}