third_party/exiv2
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Exif start can be at any byte in payload, not word aligned

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This commit is contained in:
Miloš Komarčević 2022-10-19 12:44:48 +02:00
parent 9767e375af
commit ee698689b4
1 changed files with 1 additions and 1 deletions
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2
src/bmffimage.cpp
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@ -499,7 +499,7 @@ void BmffImage::parseTiff(uint32_t root_tag, uint64_t length, uint64_t start) {
// hunt for "II" or "MM"
const size_t eof = std::numeric_limits<size_t>::max(); // impossible value for punt
size_t punt = eof;
for (size_t i = 0; i < exif.size() - 8 && punt == eof; i += 2) {
for (size_t i = 0; i < exif.size() - 9 && punt == eof; ++i) {
if (exif.read_uint8(i) == exif.read_uint8(i + 1))
if (exif.read_uint8(i) == 'I' || exif.read_uint8(i) == 'M')
punt = i;