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Fix crash when reading 0 bytes 

- This is a valid option so crash shall not happen
pull/3833/head
Kim Kulling 2021-04-28 16:38:22 +02:00 committed by GitHub
parent 74577ae3c7
commit 6abdd0cd3e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 2 deletions
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6
code/Common/DefaultIOStream.cpp
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@ -90,10 +90,12 @@ DefaultIOStream::~DefaultIOStream() {
size_t DefaultIOStream::Read(void *pvBuffer, size_t DefaultIOStream::Read(void *pvBuffer,
size_t pSize, size_t pSize,
size_t pCount) { size_t pCount) {
if (0 == pCount) {
return 0;
}
ai_assert(nullptr != pvBuffer); ai_assert(nullptr != pvBuffer);
ai_assert(0 != pSize); ai_assert(0 != pSize);
ai_assert(0 != pCount);
return (mFile ? ::fread(pvBuffer, pSize, pCount, mFile) : 0); return (mFile ? ::fread(pvBuffer, pSize, pCount, mFile) : 0);
} }