1 | /* insert_string_c -- insert_string variant for c |
2 | * |
3 | * Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler |
4 | * For conditions of distribution and use, see copyright notice in zlib.h |
5 | * |
6 | */ |
7 | |
8 | #include "zbuild.h" |
9 | #include "deflate.h" |
10 | |
11 | /* =========================================================================== |
12 | * Update a hash value with the given input byte |
13 | * IN assertion: all calls to to UPDATE_HASH are made with consecutive |
14 | * input characters, so that a running hash key can be computed from the |
15 | * previous key instead of complete recalculation each time. |
16 | */ |
17 | #define HASH_SLIDE 16 // Number of bits to slide hash |
18 | |
19 | #define UPDATE_HASH(s, h, val) \ |
20 | h = ((val * 2654435761U) >> HASH_SLIDE); |
21 | |
22 | #define INSERT_STRING insert_string_c |
23 | #define QUICK_INSERT_STRING quick_insert_string_c |
24 | |
25 | #include "insert_string_tpl.h" |
26 | |