Introducing websocket support in router and libunit.

src/nxt_sha1.h

@@ -0,0 +1,24 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+
+#ifndef _NXT_SHA1_H_INCLUDED_
+#define _NXT_SHA1_H_INCLUDED_
+
+
+typedef struct {
+    uint64_t  bytes;
+    uint32_t  a, b, c, d, e;
+    u_char    buffer[64];
+} nxt_sha1_t;
+
+
+NXT_EXPORT void nxt_sha1_init(nxt_sha1_t *ctx);
+NXT_EXPORT void nxt_sha1_update(nxt_sha1_t *ctx, const void *data, size_t size);
+NXT_EXPORT void nxt_sha1_final(u_char result[20], nxt_sha1_t *ctx);
+
+
+#endif /* _NXT_SHA1_H_INCLUDED_ */