ceph/src/isa-l/igzip/encode_df.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <memory.h>
   5 #include <assert.h>
   6
   7 #ifdef _MSC_VER
   8 # include <intrin.h>
   9 #else
  10 # include <x86intrin.h>
  11 #endif
  12
  13 #include "encode_df.h"
  14 #include "bitbuf2.h"
  15
  16 struct deflate_icf *encode_deflate_icf_base(struct deflate_icf *next_in,
  17                                             struct deflate_icf *end_in, struct BitBuf2 *bb,
  18                                             struct hufftables_icf *hufftables)
  19 {
  20         struct huff_code lsym, dsym;
  21
  22         while (next_in < end_in && !is_full(bb)) {
  23                 lsym = hufftables->lit_len_table[next_in->lit_len];
  24                 dsym = hufftables->dist_table[next_in->lit_dist];
  25
  26                 // insert ll code, dist_code, and extra_bits
  27                 write_bits_unsafe(bb, lsym.code_and_extra, lsym.length);
  28                 write_bits_unsafe(bb, dsym.code, dsym.length);
  29                 write_bits_unsafe(bb, next_in->dist_extra, dsym.extra_bit_count);
  30                 flush_bits(bb);
  31
  32                 next_in++;
  33         }
  34
  35         return next_in;
  36 }