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zarzet
adf2047df6
Add fnv1a32 in hash_utils.dart for the scan output name (UTF-8 bytes) and qualityVariantStagingLabel (UTF-16 code units). Unit tests pin outputs computed from the original inline code.
12 lines
325 B
Dart
12 lines
325 B
Dart
/// FNV-1a 32-bit hash over [units] (UTF-8 bytes or UTF-16 code units).
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///
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/// The result feeds on-disk file names, so the algorithm must not change.
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int fnv1a32(Iterable<int> units) {
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var hash = 0x811c9dc5;
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for (final unit in units) {
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hash ^= unit;
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hash = (hash * 0x01000193) & 0xffffffff;
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}
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return hash;
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}
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