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DOCS: Added information regarding POP3 commands to CURLOPT_CUSTOMREQUEST

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This commit is contained in:
Steve Holme 2012-03-31 18:47:58 +01:00
parent 761c3c5446
commit a9086e8a4b
1 changed files with 21 additions and 15 deletions
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36
docs/libcurl/curl_easy_setopt.3
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@ -1839,16 +1839,20 @@ source file to the remote target file.
Pass a curl_off_t as parameter. It contains the offset in number of bytes that
you want the transfer to start from. (Added in 7.11.0)
.IP CURLOPT_CUSTOMREQUEST
Pass a pointer to a zero terminated string as parameter. It will be used
instead of GET or HEAD when doing a HTTP request, or instead of LIST or NLST
when doing a FTP directory listing. 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.
Pass a pointer to a zero terminated string as parameter. It can be used to
specify the request instead of GET or HEAD when performing HTTP based
requests, instead of LIST and NLST when performing FTP directory listings and
instead of LIST and RETR when issuing POP3 based commands. This is
particularly useful, for example, for performing a HTTP DELETE request or a
POP3 DELE command.
Please don't perform this at will, on HTTP based requests, by making sure
your server supports the command you are sending first.
When you change the request method by setting \fBCURLOPT_CUSTOMREQUEST\fP to
something, you don't actually change how libcurl behaves or acts in regards to
the particular request method, it will only change the actual string sent in
the request.
something, you don't actually change how libcurl behaves or acts in regards
to the particular request method, it will only change the actual string sent
in the request.
For example: if you tell libcurl to do a HEAD request, but then change the
request to a "GET" with \fBCURLOPT_CUSTOMREQUEST\fP you'll still see libcurl
@ -1860,12 +1864,14 @@ POST, use \fICURLOPT_POST\fP or \fICURLOPT_POSTFIELDS\fP and so on.
Restore to the internal default by setting this to NULL.
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
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.
(Support for POP3 added in 7.25.1)
.IP CURLOPT_FILETIME
Pass a long. If it is 1, libcurl will attempt to get the modification date of
the remote document in this operation. This requires that the remote server
@ -1874,11 +1880,11 @@ sends the time or replies to a time querying command. The
can be used after a transfer to extract the received time (if any).
.IP CURLOPT_NOBODY
A parameter set to 1 tells the library to not include the body-part in the
output. This is only relevant for protocols that have separate header and body
parts. On HTTP(S) servers, this will make libcurl do a HEAD request.
output. This is only relevant for protocols that have separate header and
body parts. On HTTP(S) servers, this will make libcurl do a HEAD request.
To change request to GET, you should use \fICURLOPT_HTTPGET\fP. Change request
to POST with \fICURLOPT_POST\fP etc.
To change request to GET, you should use \fICURLOPT_HTTPGET\fP. Change
request to POST with \fICURLOPT_POST\fP etc.
.IP CURLOPT_INFILESIZE
When uploading a file to a remote site, this option should be used to tell
libcurl what the expected size of the infile is. This value should be passed