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69 lines
2.6 KiB
69 lines
2.6 KiB
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_FAILONERROR 3 "March 23, 2020" "libcurl 7.73.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_FAILONERROR \- request failure on HTTP response >= 400
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FAILONERROR, long fail);
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.SH DESCRIPTION
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A long parameter set to 1 tells the library to fail the request if the HTTP
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code returned is equal to or larger than 400. The default action would be to
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return the page normally, ignoring that code.
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This method is not fail-safe and there are occasions where non-successful
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response codes will slip through, especially when authentication is involved
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(response codes 401 and 407).
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You might get some amounts of headers transferred before this situation is
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detected, like when a "100-continue" is received as a response to a POST/PUT
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and a 401 or 407 is received immediately afterwards.
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When this option is used and an error is detected, it will cause the
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connection to get closed and \fICURLE_HTTP_RETURNED_ERROR\fP is returned.
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.SH DEFAULT
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0, do not fail on error
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.SH PROTOCOLS
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HTTP
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.SH EXAMPLE
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.nf
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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_FAILONERROR, 1L);
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ret = curl_easy_perform(curl);
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if(ret == CURLE_HTTP_RETURNED_ERROR) {
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/* an HTTP response error problem */
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}
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}
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.fi
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.SH AVAILABILITY
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Along with HTTP.
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.SH RETURN VALUE
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Returns CURLE_OK if HTTP is enabled, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_HTTP200ALIASES "(3), " CURLOPT_KEEP_SENDING_ON_ERROR "(3), "
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