xref: /isa-l/igzip/encode_df.c (revision bc48c1e2dcfef19e81cc9ead4f324ad4fa54f978)
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <stdint.h>
4 #include <memory.h>
5 #include <assert.h>
6 
7 #if __x86_64__  || __i386__ || _M_X64 || _M_IX86
8 #ifdef _MSC_VER
9 # include <intrin.h>
10 #else
11 # include <x86intrin.h>
12 #endif
13 #endif //__x86_64__  || __i386__ || _M_X64 || _M_IX86
14 
15 #include "encode_df.h"
16 #include "bitbuf2.h"
17 
18 struct deflate_icf *encode_deflate_icf_base(struct deflate_icf *next_in,
19 					    struct deflate_icf *end_in, struct BitBuf2 *bb,
20 					    struct hufftables_icf *hufftables)
21 {
22 	struct huff_code lsym, dsym;
23 
24 	while (next_in < end_in && !is_full(bb)) {
25 		lsym = hufftables->lit_len_table[next_in->lit_len];
26 		dsym = hufftables->dist_table[next_in->lit_dist];
27 
28 		// insert ll code, dist_code, and extra_bits
29 		write_bits_unsafe(bb, lsym.code_and_extra, lsym.length);
30 		write_bits_unsafe(bb, dsym.code, dsym.length);
31 		write_bits_unsafe(bb, next_in->dist_extra, dsym.extra_bit_count);
32 		flush_bits(bb);
33 
34 		next_in++;
35 	}
36 
37 	return next_in;
38 }
39