[lwip-devel] [patch #9500] Avoid sending Content-Length header if data is not ready yet

[Giuseppe Modugno]

URL:
  <http://savannah.nongnu.org/patch/?9500>

                 Summary: Avoid sending Content-Length header if data is not
ready yet
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: giusloq
            Submitted on: Mon 27 Nov 2017 09:02:15 AM UTC
                Category: apps
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

diff --git a/src/apps/httpd/httpd.c b/src/apps/httpd/httpd.c
index 0ac8d49..112c7a8 100644
--- a/src/apps/httpd/httpd.c
+++ b/src/apps/httpd/httpd.c
@@ -936,7 +936,7 @@ get_http_headers(struct http_state *hs, const char *uri)
     add_content_len = 0; /* @todo: get maximum file length from SSI */
   } else
 #endif /* LWIP_HTTPD_SSI */
-    if ((hs->handle == NULL) ||
+    if ((hs->handle == NULL) || (hs->handle->data == NULL) ||
         ((hs->handle->flags & (FS_FILE_FLAGS_HEADER_INCLUDED |
FS_FILE_FLAGS_HEADER_PERSISTENT)) == FS_FILE_FLAGS_HEADER_INCLUDED)) {
       add_content_len = 0;
     }






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