89 lines
3.1 KiB
Groff
89 lines
3.1 KiB
Groff
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.\" **************************************************************************
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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 - 2014, 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 http://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_DEBUGFUNCTION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_DEBUGFUNCTION \- debug callback
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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typedef enum {
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CURLINFO_TEXT = 0,
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CURLINFO_HEADER_IN, /* 1 */
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CURLINFO_HEADER_OUT, /* 2 */
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CURLINFO_DATA_IN, /* 3 */
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CURLINFO_DATA_OUT, /* 4 */
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CURLINFO_SSL_DATA_IN, /* 5 */
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CURLINFO_SSL_DATA_OUT, /* 6 */
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CURLINFO_END
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} curl_infotype;
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int debug_callback(CURL *handle,
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curl_infotype type,
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char *data,
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size_t size,
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void *userptr);
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DEBUGFUNCTION,
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debug_callback);
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.SH DESCRIPTION
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Pass a pointer to your callback function, which should match the prototype
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shown above.
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\fICURLOPT_DEBUGFUNCTION(3)\fP replaces the standard debug function used when
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\fICURLOPT_VERBOSE(3)\fP is in effect. This callback receives debug
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information, as specified in the \fItype\fP argument. This function must
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return 0. The \fIdata\fP pointed to by the char * passed to this function WILL
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NOT be zero terminated, but will be exactly of the \fIsize\fP as told by the
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\fIsize\fP argument.
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The \fIuserptr\fP argument is the pointer set with \fICURLOPT_DEBUGDATA(3)\fP.
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Available curl_infotype values:
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.IP CURLINFO_TEXT
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The data is informational text.
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.IP CURLINFO_HEADER_IN
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The data is header (or header-like) data received from the peer.
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.IP CURLINFO_HEADER_OUT
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The data is header (or header-like) data sent to the peer.
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.IP CURLINFO_DATA_IN
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The data is protocol data received from the peer.
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.IP CURLINFO_DATA_OUT
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The data is protocol data sent to the peer.
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.IP CURLINFO_SSL_DATA_OUT
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The data is SSL/TLS (binary) data sent to the peer.
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.IP CURLINFO_SSL_DATA_IN
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The data is SSL/TLS (binary) data received from the peer.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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http://curl.haxx.se/libcurl/c/debug.html
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.SH AVAILABILITY
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Always
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH "SEE ALSO"
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.BR CURLOPT_VERBOSE "(3), " CURLOPT_DEBUGDATA "(3), "
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