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Cyrill Osterwalder pointed out that sending "" as data in a header is in 

fact equal to a blank one according to the spec.
This commit is contained in:
Daniel Stenberg 2006-01-27 15:01:10 +00:00
parent 8d4eb2bc1f
commit b55b780d7b
1 changed files with 10 additions and 8 deletions
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18
docs/libcurl/curl_easy_setopt.3
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@ -620,15 +620,17 @@ list. If you add a header that is otherwise generated and used by libcurl
internally, your added one will be used instead. If you add a header with no
contents as in 'Accept:' (no data on the right side of the colon), the
internally used header will get disabled. Thus, using this option you can add
new headers, replace internal headers and remove internal headers. The
headers included in the linked list must not be CRLF-terminated, because
curl adds CRLF after each header item. Failure to comply with this will
result in strange bugs because the server will most likely ignore part
of the headers you specified.
new headers, replace internal headers and remove internal headers. To add a
header with no contents, make the contents be two quotes: \&"". The headers
included in the linked list must not be CRLF-terminated, because curl adds
CRLF after each header item. Failure to comply with this will result in
strange bugs because the server will most likely ignore part of the headers
you specified.
The first line in a request (usually containing a GET or POST) is not a header
and cannot be replaced using this option. Only the lines following the
request-line are headers.
The first line in a request (containing the method, usually a GET or POST) is
not a header and cannot be replaced using this option. Only the lines
following the request-line are headers. Adding this method line in this list
of headers will only cause your request to send an invalid header.
Pass a NULL to this to reset back to no custom headers.