From f213b963cdd9084f07a3a7591e69b9067062c43a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20=C3=96man?= <andreas@lonelycoder.com>
Date: Fri, 7 Dec 2007 08:24:48 +0000
Subject: [PATCH] Add HTTP redirect reply

---
 http.c | 29 ++++++++++++++++++++++++++++-
 http.h |  4 +++-
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/http.c b/http.c
index 58b75bad..91e5a252 100644
--- a/http.c
+++ b/http.c
@@ -245,6 +245,33 @@ http_output_queue(http_connection_t *hc, tcp_queue_t *tq, const char *content,
   tcp_output_queue(&hc->hc_tcp_session, NULL, tq);
 }
 
+/**
+ * Send an HTTP REDIRECT
+ */
+int
+http_redirect(http_connection_t *hc, const char *location)
+{
+  tcp_queue_t tq;
+
+  http_output_reply_header(hc, 303, 0);
+
+  if(hc->hc_version < HTTP_VERSION_1_0)
+    return -1;
+
+  tcp_init_queue(&tq, -1);
+
+  tcp_qprintf(&tq, "Please follow <a href=\"%s\"\"></a>");
+
+  http_printf(hc,
+	      "Location: %s\r\n"
+	      "Content-Type: text/html\r\n"
+	      "Content-Length: %d\r\n"
+	      "\r\n", location, tq.tq_depth);
+  tcp_output_queue(&hc->hc_tcp_session, NULL, &tq);
+  return 0;
+}
+
+
 /**
  * HTTP GET
  */
@@ -545,7 +572,7 @@ http_arg_flush(struct http_arg_list *list)
  * Find an argument associated with a connection
  */
 char *
-http_arg_get(struct http_arg_list *list, char *name)
+http_arg_get(struct http_arg_list *list, const char *name)
 {
   http_arg_t *ra;
   LIST_FOREACH(ra, list, link)
diff --git a/http.h b/http.h
index 4cd6ce57..69f92ed6 100644
--- a/http.h
+++ b/http.h
@@ -89,7 +89,7 @@ void http_start(int port);
 
 void http_arg_flush(struct http_arg_list *list);
 
-char *http_arg_get(struct http_arg_list *list, char *name);
+char *http_arg_get(struct http_arg_list *list, const char *name);
 
 void http_arg_set(struct http_arg_list *list, char *key, char *val);
 
@@ -100,6 +100,8 @@ void http_error(http_connection_t *hc, int error);
 void http_output_queue(http_connection_t *hc, tcp_queue_t *tq,
 		       const char *content, int maxage);
 
+int http_redirect(http_connection_t *hc, const char *location);
+
 typedef int (http_callback_t)(http_connection_t *hc, const char *remain,
 			      void *opaque);