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5a488251f7
- make DEFAULT sections less repetitive - make historic mentions use HISTORY - generate the protocols section on `# %PROTOCOLS%` instead of guessing where to put it - generate the availability section on `# %AVAILABILITY%` instead of guessing where to put it - make the protocols section more verbose Closes #14227
67 lines
1.2 KiB
Markdown
67 lines
1.2 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_HTTP09_ALLOWED
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Section: 3
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Source: libcurl
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Protocol:
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- HTTP
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See-also:
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- CURLOPT_HTTP_VERSION (3)
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- CURLOPT_SSLVERSION (3)
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Added-in: 7.64.0
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---
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# NAME
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CURLOPT_HTTP09_ALLOWED - allow HTTP/0.9 response
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTP09_ALLOWED, long allowed);
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~~~
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# DESCRIPTION
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Pass the long argument *allowed* set to 1L to allow HTTP/0.9 responses.
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An HTTP/0.9 response is a server response entirely without headers and only a
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body. You can connect to lots of random TCP services and still get a response
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that curl might consider to be HTTP/0.9!
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# DEFAULT
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0
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode ret;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_HTTP09_ALLOWED, 1L);
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ret = curl_easy_perform(curl);
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}
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}
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~~~
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# HISTORY
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curl allowed HTTP/0.9 responses by default before 7.66.0
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Since 7.66.0, libcurl requires this option set to 1L to allow HTTP/0.9
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responses.
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# %AVAILABILITY%
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# RETURN VALUE
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Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
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