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curl/docs/libcurl/curl_mime_filedata.3
Patrick Monnerat ee56fdb691 form/mime: field names are not allowed to contain zero-valued bytes.
Also suppress length argument of curl_mime_name() (names are always
zero-terminated).
2017-09-22 01:08:29 +01:00

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2.8 KiB
Groff

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.TH curl_mime_filedata 3 "22 August 2017" "libcurl 7.56.0" "libcurl Manual"
.SH NAME
curl_mime_filedata - set a mime part's body data from a file contents
.SH SYNOPSIS
.B #include <curl/curl.h>
.sp
.BI "CURLcode curl_mime_filedata(curl_mimepart * " part ,
.BI " const char * " filename ");"
.ad
.SH DESCRIPTION
\fIcurl_mime_filedata(3)\fP sets a mime part's body content from the named
file's contents. This is an alernative to \fIcurl_mime_data(3)\fP for setting
data to a mime part.
\fIpart\fP is the part's to assign contents to.
\fIfilename\fP points to the nul-terminated file's path name. The pointer can
be NULL to detach previous part contents settings. Filename storage 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 \fIfilename\fP if it is a valid named file. This can be undone or
overriden by a subsequent call to \fIcurl_mime_filename(3)\fP.
The contents of the file is read during the file transfer in a streaming
manner to allow huge files to get transfered without using much memory. It
therefore requires that the file is kept intact during the entire request.
Setting a part's contents twice is valid: only the value set by the last call
is retained.
.SH AVAILABILITY
As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.
.SH RETURN VALUE
CURLE_OK or a CURL error code upon failure.
.SH EXAMPLE
.nf
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");
.fi
.SH "SEE ALSO"
.BR curl_mime_addpart "(3),"
.BR curl_mime_data "(3),"
.BR curl_mime_filename "(3),"
.BR curl_mime_name "(3)"