1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: curl_mime_headers 5Section: 3 6Source: libcurl 7See-also: 8 - curl_mime_addpart (3) 9 - curl_mime_name (3) 10Protocol: 11 - HTTP 12 - IMAP 13 - SMTP 14Added-in: 7.56.0 15--- 16 17# NAME 18 19curl_mime_headers - set a mime part's custom headers 20 21# SYNOPSIS 22 23~~~c 24#include <curl/curl.h> 25 26CURLcode curl_mime_headers(curl_mimepart *part, 27 struct curl_slist *headers, int take_ownership); 28~~~ 29 30# DESCRIPTION 31 32curl_mime_headers(3) sets a mime part's custom headers. 33 34*part* is the part's handle to assign the custom headers list to. 35 36*headers* is the head of a list of custom headers; it may be set to NULL 37to remove a previously attached custom header list. 38 39*take_ownership*: when non-zero, causes the list to be freed upon 40replacement or mime structure deletion; in this case the list must not be 41freed explicitly. 42 43Setting a part's custom headers list multiple times is valid: only the value 44set by the last call is retained. 45 46# %PROTOCOLS% 47 48# EXAMPLE 49 50~~~c 51int main(void) 52{ 53 struct curl_slist *headers = NULL; 54 CURL *easy = curl_easy_init(); 55 curl_mime *mime; 56 curl_mimepart *part; 57 58 headers = curl_slist_append(headers, "Custom-Header: mooo"); 59 60 mime = curl_mime_init(easy); 61 part = curl_mime_addpart(mime); 62 63 /* use these headers in the part, takes ownership */ 64 curl_mime_headers(part, headers, 1); 65 66 /* pass on this data */ 67 curl_mime_data(part, "12345679", CURL_ZERO_TERMINATED); 68 69 /* set name */ 70 curl_mime_name(part, "numbers"); 71 72 /* Post and send it. */ 73 curl_easy_setopt(easy, CURLOPT_MIMEPOST, mime); 74 curl_easy_setopt(easy, CURLOPT_URL, "https://example.com"); 75 curl_easy_perform(easy); 76} 77~~~ 78 79# %AVAILABILITY% 80 81# RETURN VALUE 82 83CURLE_OK or a CURL error code upon failure. 84
