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clarify the CUSTOMREQUEST and HTTPHEADER options slightly

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Daniel Stenberg 2003-06-10 13:06:38 +00:00
parent 39ea557360
commit 4c80e103a0
1 changed files with 12 additions and 0 deletions
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12
docs/libcurl/curl_easy_setopt.3
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@ -462,6 +462,10 @@ 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.
\fBNOTE:\fPThe most commonly replaced headers have "shortcuts" in the options
CURLOPT_COOKIE, CURLOPT_USERAGENT and CURLOPT_REFERER.
.TP
@ -643,6 +647,14 @@ Pass a pointer to a zero terminated string as parameter. It will be user
instead of GET or HEAD when doing the HTTP request. This is useful for doing
DELETE or other more or less obscure HTTP requests. Don't do this at will,
make sure your server supports the command first.
NOTE: many people have wrongly used this option to replace the entire request
with their own, including multiple headers and POST contents. While that might
work in many cases, it will cause libcurl to send invalid requests and it
could possibly confuse the remote server badly. Use \fICURLOPT_POST\fP and
\fICURLOPT_POSTFIELDS\fP to set POST data. Use \fICURLOPT_HTTPHEADER\fP to
replace or extend the set of headers sent by libcurl. Use
\fICURLOPT_HTTP_VERSION\fP to change HTTP version.
.TP
.B CURLOPT_FILETIME
Pass a long. If it is a non-zero value, libcurl will attempt to get the