Merge "Add ByteArrayUtils::readSignedInt24andAdvancePosition to read dynamic dictionaries."

main
Keisuke Kuroynagi 2013-06-21 08:15:05 +00:00 committed by Android (Google) Code Review
commit 21dfdcdba8
1 changed files with 11 additions and 0 deletions

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@ -57,6 +57,17 @@ class ByteArrayUtils {
return value; return value;
} }
static AK_FORCE_INLINE int readSint24andAdvancePosition(
const uint8_t *const buffer, int *const pos) {
const uint8_t value = readUint8(buffer, *pos);
if (value < 0x80) {
return readUint24andAdvancePosition(buffer, pos);
} else {
(*pos)++;
return -(((value & 0x7F) << 16) ^ readUint16andAdvancePosition(buffer, pos));
}
}
static AK_FORCE_INLINE uint32_t readUint24andAdvancePosition( static AK_FORCE_INLINE uint32_t readUint24andAdvancePosition(
const uint8_t *const buffer, int *const pos) { const uint8_t *const buffer, int *const pos) {
const uint32_t value = readUint24(buffer, *pos); const uint32_t value = readUint24(buffer, *pos);