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This commit is contained in:
Ahrav Dutta 2024-10-25 23:10:56 -07:00
parent 304b753a2f
commit b6ed83fe0d
1 changed files with 6 additions and 3 deletions
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9
pkg/decoders/base64.go
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@ -78,7 +78,7 @@ func (d *Base64) FromChunk(chunk *sources.Chunk) *DecodableChunk {
return positionMap[sortedSubstrings[i]] < positionMap[sortedSubstrings[j]]
})
// Process in order.
// Process in sequential order.
for _, encoded := range sortedSubstrings {
if decoded, ok := decodedSubstrings[encoded]; ok {
pos := positionMap[encoded]
@ -112,8 +112,11 @@ func getSubstringsOfCharacterSet(data []byte, threshold int, charsetMapping [128
return nil
}
// Start with a reasonable capacity.
substrings := make([]string, 0, 16)
// initialSubstringsCapacity is set to 16 as a practical optimization,
// balancing memory usage with the typical number of base64-encoded
// strings found in common input data. (this could be tuned further)
const initialSubstringsCapacity = 16
substrings := make([]string, 0, initialSubstringsCapacity)
count := 0
start := 0