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Added a comment clarifying a non-obvious case

This commit is contained in:
Veloman Yunkan 2020-05-15 15:17:04 +04:00
parent 54f5dbbd35
commit 5f0a9d0b08
1 changed files with 6 additions and 0 deletions
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6
src/server/response.cpp
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@ -209,6 +209,12 @@ Response::create_raw_content_mhd_response(const RequestContext& request)
MHD_Response* response = MHD_create_response_from_buffer(
m_content.size(), const_cast<char*>(m_content.data()), MHD_RESPMEM_MUST_COPY);
// At shis point m_etag.get_option(ETag::COMPRESSED_CONTENT) and
// shouldCompress can have different values. This can happen for a 304 (Not
// Modified) response generated while handling a conditional If-None-Match
// request. In that case the m_etag (together with its COMPRESSED_CONTENT
// option) is obtained from the ETag list of the If-None-Match header and the
// response has no body (which shouldn't be compressed).
if ( m_etag.get_option(ETag::COMPRESSED_CONTENT) ) {
MHD_add_response_header(
response, MHD_HTTP_HEADER_VARY, "Accept-Encoding");