curl / libcurl / API / curl_mime_type

curl_mime_type - set a mime part content type

Name

curl_mime_type - set a mime part's content type

Synopsis

#include <curl/curl.h>
 
CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype);

Description

curl_mime_type sets a mime part's content type.

part is the part's handle to assign the content type to.

mimetype points to the null-terminated file mime type string; it may be set to NULL to remove a previously attached mime type.

The mime type string is copied into the part, thus the associated storage may safely be released or reused after call. Setting a part's type multiple times is valid: only the value set by the last call is retained.

In the absence of a mime type and if needed by the protocol specifications, a default mime type is determined by the context:
- If set as a custom header, use this value.
- application/form-data for an HTTP form post.
- If a remote file name is set, the mime type is taken from the file name extension, or application/octet-stream by default.
- For a multipart part, multipart/mixed.
- text/plain in other cases.

Example

 curl_mime *mime;
 curl_mimepart *part;
 
 /* create a mime handle */
 mime = curl_mime_init(easy);
 
 /* add a part */
 part = curl_mime_addpart(mime);
 
 /* get data from this file */
 curl_mime_filedata(part, "image.png");
 
 /* content-type for this part */
 curl_mime_type(part, "image/png");
 
 /* set name */
 curl_mime_name(part, "image");

Availability

As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.

Return value

CURLE_OK or a CURL error code upon failure.

See also

curl_mime_addpart(3), curl_mime_name(3), curl_mime_data(3)

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