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StdIOCallback: return 0 on read/write errors #310

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StdIOCallback: return 0 on read/write errors #310

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4 changes: 4 additions & 0 deletions src/StdIOCallback.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,8 @@ std::size_t StdIOCallback::read(void*Buffer,std::size_t Size)
assert(File!=nullptr);

const std::size_t result = fread(Buffer, 1, Size, File);
if (feof(File) || ferror(File))
return 0;
mCurrentPosition += result;
return result;
}
Expand Down Expand Up @@ -99,6 +101,8 @@ std::size_t StdIOCallback::write(const void*Buffer,std::size_t Size)
{
assert(File!=nullptr);
const size_t Result = fwrite(Buffer,1,Size,File);
if (feof(File) || ferror(File))
return 0;
mCurrentPosition += Result;
return Result;
}
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