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authorIgor Sysoev <igor@sysoev.ru>2017-01-17 20:00:00 +0300
committerIgor Sysoev <igor@sysoev.ru>2017-01-17 20:00:00 +0300
commit16cbf3c076a0aca6d47adaf3f719493674cf2363 (patch)
treee6530480020f62a2bdbf249988ec3e2a751d3927 /src/nxt_djb_hash.c
downloadunit-16cbf3c076a0aca6d47adaf3f719493674cf2363.tar.gz
unit-16cbf3c076a0aca6d47adaf3f719493674cf2363.tar.bz2
Initial version.
Diffstat (limited to 'src/nxt_djb_hash.c')
-rw-r--r--src/nxt_djb_hash.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/nxt_djb_hash.c b/src/nxt_djb_hash.c
new file mode 100644
index 00000000..cd315869
--- /dev/null
+++ b/src/nxt_djb_hash.c
@@ -0,0 +1,45 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+
+
+uint32_t
+nxt_djb_hash(const void *data, size_t len)
+{
+ uint32_t hash;
+ const u_char *p;
+
+ p = data;
+ hash = NXT_DJB_HASH_INIT;
+
+ while (len != 0) {
+ hash = nxt_djb_hash_add(hash, *p++);
+ len--;
+ }
+
+ return hash;
+}
+
+
+uint32_t
+nxt_djb_hash_lowcase(const void *data, size_t len)
+{
+ u_char c;
+ uint32_t hash;
+ const u_char *p;
+
+ p = data;
+ hash = NXT_DJB_HASH_INIT;
+
+ while (len != 0) {
+ c = *p++;
+ hash = nxt_djb_hash_add(hash, nxt_lowcase(c));
+ len--;
+ }
+
+ return hash;
+}