ff770d402b
Files correlati : Commento : Aggiornata cUrl alla ultima versione su Github: 7.56.1 git-svn-id: svn://10.65.10.50/branches/R_10_00@24203 c028cbd2-c16b-5b4b-a496-9718f37d4682
98 lines
3.7 KiB
Groff
98 lines
3.7 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 - 2017, 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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.TH curl_mime_encoder 3 "22 August 2017" "libcurl 7.56.0" "libcurl Manual"
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.SH NAME
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curl_mime_encoder - set a mime part's encoder and content transfer encoding
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.sp
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.BI "CURLcode curl_mime_encoder(curl_mimepart * " part ,
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.BI "const char * " encoding ");"
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.ad
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.SH DESCRIPTION
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curl_mime_encoder() requests a mime part's content to be encoded before being
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transmitted.
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\fIpart\fP is the part's handle to assign an encoder.
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\fIencoding\fP is a pointer to a zero-terminated encoding scheme. It may be
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set to NULL to disable an encoder previously attached to the part. The encoding
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scheme storage may safely be reused after this function returns.
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Setting a part's encoder twice is valid: only the value set by the last call is
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retained.
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Upon multipart rendering, the part's content is encoded according to the
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pertaining scheme and a corresponding \fIContent-Transfer-Encoding"\fP header
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is added to the part.
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Supported encoding schemes are:
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.br
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"\fIbinary\fP": the data is left unchanged, the header is added.
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.br
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"\fI8bit\fP": header added, no data change.
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.br
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"\fI7bit\fP": the data is unchanged, but is each byte is checked
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to be a 7-bit value; if not, a read error occurs.
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.br
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"\fIbase64\fP": Data is converted to base64 encoding, then split in
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CRLF-terminated lines of at most 76 characters.
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.br
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"\fIquoted-printable\fP": data is encoded in quoted printable lines of
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at most 76 characters. Since the resulting size of the final data cannot be
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determined prior to reading the original data, it is left as unknown, causing
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chunked transfer in HTTP. For the same reason, this encoder may not be used
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with IMAP. This encoder targets text data that is mostly ASCII and should
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not be used with other types of data.
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If the original data is already encoded in such a scheme, a custom
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\fIContent-Transfer-Encoding\fP header should be added with
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\FIcurl_mime_headers\fP() instead of setting a part encoder.
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Encoding should not be applied to multiparts, thus the use of this
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function on a part with content set with \fIcurl_mime_subparts\fP() is
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strongly discouraged.
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.SH AVAILABILITY
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As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.
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.SH RETURN VALUE
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CURLE_OK or a CURL error code upon failure.
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.SH EXAMPLE
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.nf
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curl_mime *mime;
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curl_mimepart *part;
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/* create a mime handle */
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mime = curl_mime_init(easy);
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/* add a part */
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part = curl_mime_addpart(mime);
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/* send a file */
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curl_mime_filedata(part, "image.png");
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/* encode file data in base64 for transfer */
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curl_mime_encoder(part, "base64");
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.fi
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.SH "SEE ALSO"
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.BR curl_mime_addpart "(3),"
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.BR curl_mime_headers "(3),"
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.BR curl_mime_subparts "(3)"
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