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Add support for big-endian CPUs (#14)

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Marco
2025-01-01 07:09:30 -03:00
committed by GitHub
parent ccd676f1b9
commit 7d7a36dae4
1 changed files with 4 additions and 2 deletions
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TinyEXIF.cpp
+4 -2
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@@ -943,12 +943,14 @@ int EXIFInfo::parseFromEXIFSegment(const uint8_t* buf, unsigned len) {
// 8 bytes
if (offs + 8 > len)
return PARSE_CORRUPT_DATA;
const uint32_t _ONE32 = 1;
const bool IS_LITTLE_ENDIAN = reinterpret_cast<uint8_t const*>(&_ONE32)[0] == 1;
bool alignIntel;
if (buf[offs] == 'I' && buf[offs+1] == 'I')
alignIntel = true; // 1: Intel byte alignment
alignIntel = IS_LITTLE_ENDIAN; // 1: Intel byte alignment
else
if (buf[offs] == 'M' && buf[offs+1] == 'M')
alignIntel = false; // 0: Motorola byte alignment
alignIntel = !IS_LITTLE_ENDIAN; // 0: Motorola byte alignment
else
return PARSE_UNKNOWN_BYTEALIGN;
EntryParser parser(buf, len, offs, alignIntel);