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curl_mime_data(3) Library Functions Manual curl_mime_data(3) NAME curl_mime_data - set a mime part's body data from memory SYNOPSIS #include <curl/curl.h> CURLcode curl_mime_data(curl_mimepart *part, const char *data, size_t datasize); DESCRIPTION curl_mime_data(3) sets a mime part's body content from memory data. part is the mime part to assign contents to, created with curl_mime_ad- dpart(3). data points to the data that gets copied by this function. The storage may safely be reused after the call. datasize is the number of bytes data points to. It can be set to CURL_ZERO_TERMINATED to indicate data is a null-terminated character string. Setting a part's contents multiple times is valid: only the value set by the last call is retained. It is possible to unassign part's contents by setting data to NULL. Setting large data is memory consuming: one might consider using curl_mime_data_cb(3) in such a case. PROTOCOLS This functionality affects http, imap and smtp EXAMPLE 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); /* add data to the part */ curl_mime_data(part, "raw contents to send", CURL_ZERO_TERMINATED); } } 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_cb(3), curl_mime_name(3), curl_mime_type(3) libcurl 2026-06-11 curl_mime_data(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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