# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1312006806 0
# Node ID 6b608bf9f3ae25cbc7ffa82d9ef853a3e59e7449
# Parent  2527cdb8d31f1626bb5e2a0930b6384d6ce03529
Accept-Encoding refactoring: remove ancient MSIE 4.x test for gzip

diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -2025,15 +2025,7 @@ ngx_http_gzip_ok(ngx_http_request_t *r)
         || r->headers_in.accept_encoding == NULL
         || ngx_strcasestrn(r->headers_in.accept_encoding->value.data,
                            "gzip", 4 - 1)
-           == NULL
-
-        /*
-         * if the URL (without the "http://" prefix) is longer than 253 bytes,
-         * then MSIE 4.x can not handle the compressed stream - it waits
-         * too long, hangs up or crashes
-         */
-
-        || (r->headers_in.msie4 && r->unparsed_uri.len > 200))
+           == NULL)
     {
         return NGX_DECLINED;
     }
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1439,8 +1439,6 @@ ngx_http_process_user_agent(ngx_http_req
 
             switch (msie[5]) {
             case '4':
-                r->headers_in.msie4 = 1;
-                /* fall through */
             case '5':
                 r->headers_in.msie6 = 1;
                 break;
@@ -1463,7 +1461,6 @@ ngx_http_process_user_agent(ngx_http_req
     if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
         r->headers_in.opera = 1;
         r->headers_in.msie = 0;
-        r->headers_in.msie4 = 0;
         r->headers_in.msie6 = 0;
     }
 
diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h
--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -221,7 +221,6 @@ typedef struct {
 
     unsigned                          connection_type:2;
     unsigned                          msie:1;
-    unsigned                          msie4:1;
     unsigned                          msie6:1;
     unsigned                          opera:1;
     unsigned                          gecko:1;