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---
c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
SPDX-License-Identifier: curl
Title: curl_mime_filename
Section: 3
Source: libcurl
See-also:
- curl_mime_addpart (3)
- curl_mime_data (3)
- curl_mime_filedata (3)
Protocol:
- HTTP
- IMAP
- SMTP
Added-in: 7.56.0
---
# NAME
curl_mime_filename - set a mime part's remote filename
# SYNOPSIS
~~~c
#include <curl/curl.h>
CURLcode curl_mime_filename(curl_mimepart *part,
const char *filename);
~~~
# DESCRIPTION
curl_mime_filename(3) sets a mime part's remote filename. When remote
filename is set, content data is processed as a file, whatever is the part's
content source. A part's remote filename is transmitted to the server in the
associated Content-Disposition generated header.
*part* is the part's handle to assign the remote filename to.
*filename* points to the null-terminated filename string; it may be set
to NULL to remove a previously attached remote filename.
The remote filename string is copied into the part, thus the associated
storage may safely be released or reused after call. Setting a part's file
name multiple times is valid: only the value set by the last call is retained.
# %PROTOCOLS%
# EXAMPLE
~~~c
static char imagebuf[]="imagedata";
int main(void)
{
curl_mime *mime;
curl_mimepart *part;
CURL *curl = curl_easy_init();
if(curl) {
/* create a mime handle */
mime = curl_mime_init(curl);
/* add a part */
part = curl_mime_addpart(mime);
/* send image data from memory */
curl_mime_data(part, imagebuf, sizeof(imagebuf));
/* set a file name to make it look like a file upload */
curl_mime_filename(part, "image.png");
/* set name */
curl_mime_name(part, "data");
}
}
~~~
# %AVAILABILITY%
# RETURN VALUE
This function returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
libcurl-errors(3). If CURLOPT_ERRORBUFFER(3) was set with curl_easy_setopt(3)
there can be an error message stored in the error buffer when non-zero is
returned.
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