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Merge pull request #276 from Thealexbarney/msvc-fread-fix

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Workaround MSVC fseek/fread bug
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Christopher Snowhill 2018-08-19 16:15:54 -07:00 committed by GitHub
commit 1294f515f2
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1 changed files with 11 additions and 0 deletions
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src/streamfile.c
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@ -76,6 +76,17 @@ static size_t read_stdio(STDIOSTREAMFILE *streamfile,uint8_t * dest, off_t offse
else
length_to_read = length;
#ifdef _MSC_VER
/* Workaround a bug that appears when compiling witn MSVC.
* This bug is dertiministic and seemingly appears randomly
* after seeking.
* It results in fread returning data from the wrong
* area of the file.
* HPS is one format that is almost always affected
* by this. */
fseek(streamfile->infile, ftell(streamfile->infile), SEEK_SET);
#endif
/* fill the buffer */
length_read = fread(streamfile->buffer,sizeof(uint8_t),streamfile->buffersize,streamfile->infile);
streamfile->validsize = length_read;