diff -r e3ae779232a9 -r 24d804a2799f src/server/protocol.c
--- a/src/server/protocol.c	Fri Dec 30 14:06:56 2011 +0100
+++ b/src/server/protocol.c	Fri Dec 30 15:19:16 2011 +0100
@@ -33,7 +33,7 @@
 #include "session.h"
 #include "io.h"
 
-
+#include "strbuf.h"
 
 
 void protocol_status(Session *sn, Request *rq, int n, const char *m) {
@@ -226,20 +226,20 @@
 }
 
 
-void add_http_status_line(iovec_buf_t *out, Request *rq) {
-    iovec_buf_write(out, "HTTP/1.1 ", 9);
+void add_http_status_line(sbuf_t *out, pool_handle_t *pool, Request *rq) {
+    sbuf_write(out, "HTTP/1.1 ", 9);
 
-    char *status_code_str = pool_malloc(out->pool, 8);
+    char *status_code_str = pool_malloc(pool, 8);
     int sc_len = snprintf(status_code_str, 8, "%d ", rq->status_num);
-    iovec_buf_write(out, status_code_str, sc_len);
+    sbuf_write(out, status_code_str, sc_len);
     
     char *scmsg = pblock_findkeyval(pb_key_status, rq->srvhdrs);
-    iovec_buf_write(out, scmsg, strlen(scmsg));
+    sbuf_write(out, scmsg, strlen(scmsg));
 
-    iovec_buf_write(out, "\r\n", 2);
+    sbuf_write(out, "\r\n", 2);
 }
 
-void add_http_response_header(iovec_buf_t *out, Request *rq) {
+void add_http_response_header(sbuf_t *out, Request *rq) {
     pblock   *h = rq->srvhdrs;
     pb_entry *p;
 
@@ -263,10 +263,10 @@
                 name[0] -= 32;
             }
 
-            iovec_buf_write(out, name, strlen(name));
-            iovec_buf_write(out, ": ", 2);
-            iovec_buf_write(out, value, strlen(value));
-            iovec_buf_write(out, "\r\n", 2);
+            sbuf_write(out, name, strlen(name));
+            sbuf_write(out, ": ", 2);
+            sbuf_write(out, value, strlen(value));
+            sbuf_write(out, "\r\n", 2);
 
             p = p->next;
         }
@@ -282,22 +282,23 @@
     fcntl(fd, F_SETFL, flags ^ O_NONBLOCK);
 
     /* iovec output buffer */
-    iovec_buf_t *out = iovec_buf_create(sn->pool);
+    sbuf_t *out = sbuf_new(512);
 
     /* add the http status line to the output buffer */
-    add_http_status_line(out, rq);
+    add_http_status_line(out, sn->pool, rq);
 
     /* add server header */
-    iovec_buf_write(out, "Server: WS uap-dev\r\n", 20);
+    sbuf_write(out, "Server: WS uap-dev\r\n", 20);
 
     /* add header from rq->srvhdrs */
     add_http_response_header(out, rq);
 
     /* response header end */
-    iovec_buf_write(out, "\r\n", 2);
+    sbuf_write(out, "\r\n", 2);
 
     /* flush buffer to the socket */
-    iovec_buf_flush(out, fd);
+    write(fd, out->ptr, out->length);
+    sbuf_free(out);
     
     rq->senthdrs = 1;
 }