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Sped up charset parsing; fixed choice operator

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This commit is contained in:
Dan Hirsch 2012-05-04 21:23:56 +01:00
parent a076c4d12c
commit 2af69dd8f9
5 changed files with 81 additions and 39 deletions
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4
src/bitreader.c
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@ -8,10 +8,14 @@
#define MSB(range) (1:range)
#define LDB(range,i) (((i)>>LSB(range))&((1<<(MSB(range)-LSB(range)+1))-1))
long long read_bits(input_stream_t* state, int count, char signed_p) {
// BUG: Does not
long long out = 0;
int offset = 0;
long long msb = (!!signed_p) << (count - 1); // 0 if unsigned, else 1 << (nbits - 1)
// BUG: does not stop early in case of
if ((state->bit_offset & 0x7) == 0 && (count & 0x7) == 0) {
// fast path
if (state->endianness & BYTE_BIG_ENDIAN) {