diff options
Diffstat (limited to 'app/nginx/src/core/ngx_crc32.h')
-rw-r--r-- | app/nginx/src/core/ngx_crc32.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/app/nginx/src/core/ngx_crc32.h b/app/nginx/src/core/ngx_crc32.h deleted file mode 100644 index f6d6865..0000000 --- a/app/nginx/src/core/ngx_crc32.h +++ /dev/null @@ -1,79 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_CRC32_H_INCLUDED_ -#define _NGX_CRC32_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -extern uint32_t *ngx_crc32_table_short; -extern uint32_t ngx_crc32_table256[]; - - -static ngx_inline uint32_t -ngx_crc32_short(u_char *p, size_t len) -{ - u_char c; - uint32_t crc; - - crc = 0xffffffff; - - while (len--) { - c = *p++; - crc = ngx_crc32_table_short[(crc ^ (c & 0xf)) & 0xf] ^ (crc >> 4); - crc = ngx_crc32_table_short[(crc ^ (c >> 4)) & 0xf] ^ (crc >> 4); - } - - return crc ^ 0xffffffff; -} - - -static ngx_inline uint32_t -ngx_crc32_long(u_char *p, size_t len) -{ - uint32_t crc; - - crc = 0xffffffff; - - while (len--) { - crc = ngx_crc32_table256[(crc ^ *p++) & 0xff] ^ (crc >> 8); - } - - return crc ^ 0xffffffff; -} - - -#define ngx_crc32_init(crc) \ - crc = 0xffffffff - - -static ngx_inline void -ngx_crc32_update(uint32_t *crc, u_char *p, size_t len) -{ - uint32_t c; - - c = *crc; - - while (len--) { - c = ngx_crc32_table256[(c ^ *p++) & 0xff] ^ (c >> 8); - } - - *crc = c; -} - - -#define ngx_crc32_final(crc) \ - crc ^= 0xffffffff - - -ngx_int_t ngx_crc32_table_init(void); - - -#endif /* _NGX_CRC32_H_INCLUDED_ */ |