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[libFuzzer] Diff 22 - Fix index error in SearchMemory() implementation for Windows.
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Authored by mpividori on Dec 13 2016, 2:04 PM.

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mpividori retitled this revision from to [libFuzzer] Diff 22 - Fix index error in SearchMemory() implementation for Windows..

mpividori updated this object.

mpividori added a reviewer: zturner.

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This revision is now accepted and ready to land.Dec 13 2016, 2:19 PM

This revision was automatically updated to reflect the committed changes.

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Show First 20 Lines • Show All 162 Lines • ▼ Show 20 Lines	const void SearchMemory(const void Data, size_t DataLen, const void *Patt,
const char Cpatt = (const char )Patt;		const char Cpatt = (const char )Patt;

if (!Data \|\| !Patt \|\| DataLen == 0 \|\| PattLen == 0 \|\| DataLen < PattLen)		if (!Data \|\| !Patt \|\| DataLen == 0 \|\| PattLen == 0 \|\| DataLen < PattLen)
return NULL;		return NULL;

if (PattLen == 1)		if (PattLen == 1)
return memchr(Data, *Cpatt, DataLen);		return memchr(Data, *Cpatt, DataLen);

const char *End = Cdata + DataLen - PattLen;		const char *End = Cdata + DataLen - PattLen + 1;

for (const char *It = Cdata; It < End; ++It)		for (const char *It = Cdata; It < End; ++It)
if (It[0] == Cpatt[0] && memcmp(It, Cpatt, PattLen) == 0)		if (It[0] == Cpatt[0] && memcmp(It, Cpatt, PattLen) == 0)
return It;		return It;

return NULL;		return NULL;
}		}

Show All 21 Lines