curl_mime_filename man page
curl_mime_filename — set a mime part's remote file name
CURLcode curl_mime_filename(curl_mimepart * part, const char * filename);
curl_mime_filename(3) sets a mime part's remote file name. When remote file name is set, content data is processed as a file, whatever is the part's content source. A part's remote file name is transmitted to the server in the associated Content-Disposition generated header.
part is the part's handle to assign the remote file name to.
filename points to the nul-terminated file name string; it may be set to NULL to remove a previously attached remote file name.
The remote file name string is copied into the part, thus the associated storage may safely be released or reused after call. Setting a part's file name twice is valid: only the value set by the last call is retained.
As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.
CURLE_OK or a CURL error code upon failure.
curl_mime *mime; curl_mimepart *part; /* create a mime handle */ mime = curl_mime_init(easy); /* add a part */ part = curl_mime_addpart(mime); /* send image data from memory */ curl_mime_data(part, imagebuf, imagebuf_len); /* 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");
curl_mime_addpart(3), curl_mime_filedata(3), curl_mime_data(3)
curl_mime_addpart(3), curl_mime_filedata(3), libcurl-tutorial(3).