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curl/docs/libcurl/opts/CURLOPT_HTTP09_ALLOWED.3
Daniel Stenberg a42b0957ab
http09: disable HTTP/0.9 by default in both tool and library
As the plan has been laid out in DEPRECATED. Update docs accordingly and
verify in test 1174. Now requires the option to be set to allow HTTP/0.9
responses.

Closes #4191
2019-08-06 00:08:14 +02:00

59 lines
2.2 KiB
Groff

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.TH CURLOPT_HTTP09_ALLOWED 3 "17 Dec 2018" "libcurl 7.64.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_HTTP09 \- allow HTTP/0.9 response
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTP09_ALLOWED, long allowed);
.SH DESCRIPTION
Pass the long argument \fIallowed\fP set to 1L to allow HTTP/0.9 responses.
A HTTP/0.9 response is a server response entirely without headers and only a
body. You can connect to lots of random TCP services and still get a response
that curl might consider to be HTTP/0.9!
.SH DEFAULT
curl allowed HTTP/0.9 responses by default before 7.66.0
Since 7.66.0, libcurl requires this option set to 1L to allow HTTP/0.9
responses.
.SH PROTOCOLS
HTTP
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
CURLcode ret;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_HTTP09_ALLOWED, 1L);
ret = curl_easy_perform(curl);
}
.fi
.SH AVAILABILITY
Option added in 7.64.0, present along with HTTP.
.SH RETURN VALUE
Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR CURLOPT_SSLVERSION "(3), " CURLOPT_HTTP_VERSION "(3), "