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curl_mime_filedata(3)		libcurl Manual		 curl_mime_filedata(3)

NAME
       curl_mime_filedata - set a mime part's body data from a file contents

SYNOPSIS
       #include <curl/curl.h>

       CURLcode  curl_mime_filedata(curl_mimepart  * part,  const char * file-
       name);

DESCRIPTION
       curl_mime_filedata(3) sets a mime part's body content  from  the  named
       file's  contents.  This is an alternative to curl_mime_data(3) for set-
       ting data to a mime part.

       part is the part's to assign contents to.

       filename points to the nul-terminated file's path name. The pointer can
       be  NULL to detach the previous part contents settings.	Filename stor-
       age can be safely be reused after this call.

       As a side effect, the part's remote file name is set to the  base  name
       of  the	given filename if it is a valid named file. This can be undone
       or overridden by a subsequent call to curl_mime_filename(3).

       The contents of the file is read during the file transfer in a  stream-
       ing  manner  to	allow huge files to get transferred without using much
       memory. It therefore requires that the file is kept intact  during  the
       entire request.

       If  the file size cannot be determined before actually reading it (such
       as for a device or named pipe), the whole mime structure containing the
       part will be transferred as chunks by HTTP and rejected by IMAP.

       Setting	a  part's  contents  twice is valid: only the value set by the
       last call is retained.

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. CURLE_READ_ERROR is only an
       indication that the file is not yet readable: it can be safely  ignored
       at  this time, but the file must be made readable before the pertaining
       easy handle is performed.

EXAMPLE
	curl_mime *mime;
	curl_mimepart *part;

	/* create a mime handle */
	mime = curl_mime_init(easy);

	/* add a part */
	part = curl_mime_addpart(mime);

	/* send data from this file */
	curl_mime_filedata(part, "image.png");

	/* set name */
	curl_mime_name(part, "data");

SEE ALSO
       curl_mime_addpart(3),	 curl_mime_data(3),	curl_mime_filename(3),
       curl_mime_name(3)

libcurl 7.63.0			April 17, 2018		 curl_mime_filedata(3)