/src/unit/src/nxt_djb_hash.c
Line | Count | Source |
1 | | |
2 | | /* |
3 | | * Copyright (C) Igor Sysoev |
4 | | * Copyright (C) NGINX, Inc. |
5 | | */ |
6 | | |
7 | | #include <nxt_main.h> |
8 | | |
9 | | |
10 | | uint32_t |
11 | | nxt_djb_hash(const void *data, size_t len) |
12 | 29.7k | { |
13 | 29.7k | uint32_t hash; |
14 | 29.7k | const u_char *p; |
15 | | |
16 | 29.7k | p = data; |
17 | 29.7k | hash = NXT_DJB_HASH_INIT; |
18 | | |
19 | 246k | while (len != 0) { |
20 | 216k | hash = nxt_djb_hash_add(hash, *p++); |
21 | 216k | len--; |
22 | 216k | } |
23 | | |
24 | 29.7k | return hash; |
25 | 29.7k | } |
26 | | |
27 | | |
28 | | uint32_t |
29 | | nxt_djb_hash_lowcase(const void *data, size_t len) |
30 | 1.26k | { |
31 | 1.26k | u_char c; |
32 | 1.26k | uint32_t hash; |
33 | 1.26k | const u_char *p; |
34 | | |
35 | 1.26k | p = data; |
36 | 1.26k | hash = NXT_DJB_HASH_INIT; |
37 | | |
38 | 20.6k | while (len != 0) { |
39 | 19.4k | c = *p++; |
40 | 19.4k | hash = nxt_djb_hash_add(hash, nxt_lowcase(c)); |
41 | 19.4k | len--; |
42 | 19.4k | } |
43 | | |
44 | 1.26k | return hash; |
45 | 1.26k | } |