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curl_mime_filename(3) Library Functions Manual curl_mime_filename(3) NAME curl_mime_filename - set a mime part's remote filename SYNOPSIS #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 file- name 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 re- tained. PROTOCOLS This functionality affects http, imap and smtp EXAMPLE 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 filename to make it look like a file upload */ curl_mime_filename(part, "image.png"); /* set name */ curl_mime_name(part, "data"); } } AVAILABILITY Added in curl 7.56.0 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_se- topt(3) there can be an error message stored in the error buffer when non-zero is returned. SEE ALSO curl_mime_addpart(3), curl_mime_data(3), curl_mime_filedata(3) libcurl 2026-06-11 curl_mime_filename(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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