84 lines
2 KiB
Markdown
84 lines
2 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: curl_mime_subparts
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Section: 3
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Source: libcurl
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See-also:
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- curl_mime_addpart (3)
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- curl_mime_init (3)
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---
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# NAME
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curl_mime_subparts - set sub-parts of a multipart mime part
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_mime_subparts(curl_mimepart *part, curl_mime *subparts);
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~~~
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# DESCRIPTION
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curl_mime_subparts(3) sets a multipart mime part's content from a mime
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structure.
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*part* is a handle to the multipart part.
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*subparts* is a mime structure handle holding the sub-parts. After
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curl_mime_subparts(3) succeeds, the mime structure handle belongs to the
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multipart part and must not be freed explicitly. It may however be updated by
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subsequent calls to mime API functions.
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Setting a part's contents multiple times is valid: only the value set by the
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last call is retained. It is possible to unassign previous part's contents by
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setting *subparts* to NULL.
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# EXAMPLE
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~~~c
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static char *inline_html = "<title>example</title>";
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static char *inline_text = "once upon the time";
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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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struct curl_slist *slist;
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/* The inline part is an alternative proposing the html and the text
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versions of the email. */
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curl_mime *alt = curl_mime_init(curl);
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curl_mimepart *part;
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/* HTML message. */
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part = curl_mime_addpart(alt);
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curl_mime_data(part, inline_html, CURL_ZERO_TERMINATED);
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curl_mime_type(part, "text/html");
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/* Text message. */
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part = curl_mime_addpart(alt);
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curl_mime_data(part, inline_text, CURL_ZERO_TERMINATED);
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/* Create the inline part. */
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part = curl_mime_addpart(alt);
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curl_mime_subparts(part, alt);
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curl_mime_type(part, "multipart/alternative");
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slist = curl_slist_append(NULL, "Content-Disposition: inline");
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curl_mime_headers(part, slist, 1);
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}
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}
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~~~
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# 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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# RETURN VALUE
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CURLE_OK or a CURL error code upon failure.
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