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https://github.com/moparisthebest/curl
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83 lines
3.3 KiB
Groff
83 lines
3.3 KiB
Groff
.\" **************************************************************************
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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 - 2016, 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_CONV_TO_NETWORK_FUNCTION 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_CONV_TO_NETWORK_FUNCTION \- convert data to network from host encoding
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode conv_callback(char *ptr, size_t length);
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CONV_TO_NETWORK_FUNCTION,
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conv_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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Applies to non-ASCII platforms. \fIcurl_version_info(3)\fP will return the
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CURL_VERSION_CONV feature bit set if this option is provided.
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The data to be converted is in a buffer pointed to by the \fIptr\fP parameter.
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The amount of data to convert is indicated by the \fIlength\fP parameter. The
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converted data overlays the input data in the buffer pointed to by the ptr
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parameter. \fICURLE_OK\fP must be returned upon successful conversion. A
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CURLcode return value defined by curl.h, such as \fICURLE_CONV_FAILED\fP,
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should be returned if an error was encountered.
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\fBCURLOPT_CONV_TO_NETWORK_FUNCTION\fP converts from host encoding to the
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network encoding. It is used when commands or ASCII data are sent over the
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network.
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If you set a callback pointer to NULL, or don't set it at all, the built-in
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libcurl iconv functions will be used. If HAVE_ICONV was not defined when
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libcurl was built, and no callback has been established, conversion will
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return the CURLE_CONV_REQD error code.
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If HAVE_ICONV is defined, CURL_ICONV_CODESET_OF_HOST must also be defined.
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For example:
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\&#define CURL_ICONV_CODESET_OF_HOST "IBM-1047"
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The iconv code in libcurl will default the network and UTF8 codeset names as
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follows:
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\&#define CURL_ICONV_CODESET_OF_NETWORK "ISO8859-1"
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\&#define CURL_ICONV_CODESET_FOR_UTF8 "UTF-8"
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You will need to override these definitions if they are different on your
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system.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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FTP, SMTP, IMAP, POP3
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Available only if \fBCURL_DOES_CONVERSIONS\fP was defined when libcurl was built.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_CONV_FROM_NETWORK_FUNCTION "(3), " CURLOPT_CONV_FROM_UTF8_FUNCTION "(3), "
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