Changeset 6a5335 for server/src/core/ngx_crc32.h

Timestamp:

01/05/08 18:16:49 (4 years ago)

Author:

Tomash Brechko <tomash.brechko@…>

Branches:

master-v0.7, master-v0.6, memcached_hash, upstream_count_limit

Children:

7af0c7

Parents:

8760a9

git-author:

Tomash Brechko <tomash.brechko@…> (01/05/08 18:11:55)

git-committer:

Tomash Brechko <tomash.brechko@…> (01/05/08 18:16:49)

Message:

Backport ngx_crc32_update() API from 0.6 development branch.

File:

• server/src/core/ngx_crc32.h (modified) (1 diff)

server/src/core/ngx_crc32.h

@@ -50 +50 @@
 
 
-ngx_int_t ngx_crc32_init(void);
+#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);