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curl_formfree(3) Library Functions Manual curl_formfree(3) NAME curl_formfree - free a previously build multipart form post chain SYNOPSIS #include <curl/curl.h> void curl_formfree(struct curl_httppost *form); DESCRIPTION This function is deprecated. Do not use. See curl_mime_init(3) instead. curl_formfree() is used to clean up data previously built/appended with curl_formadd(3). This must be called when the data has been used, which typically means after curl_easy_perform(3) has been called. The pointer to free is the same pointer you passed to the CURLOPT_HTTP- POST(3) option, which is the firstitem pointer from the curl_formadd(3) invoke(s). form is the pointer as returned from a previous call to curl_formadd(3) and may be NULL. Passing in a NULL pointer in form makes this function return immedi- ately with no action. PROTOCOLS This functionality affects http only EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { struct curl_httppost *formpost; struct curl_httppost *lastptr; /* Fill in a file upload field */ curl_formadd(&formpost, &lastptr, CURLFORM_COPYNAME, "file", CURLFORM_FILE, "nice-image.jpg", CURLFORM_END); curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost); curl_easy_perform(curl); /* then cleanup the formpost chain */ curl_formfree(formpost); } } DEPRECATED Deprecated in 7.56.0. AVAILABILITY Added in curl 7.1 RETURN VALUE None SEE ALSO curl_formadd(3), curl_mime_free(3), curl_mime_init(3) libcurl 2025-06-03 curl_formfree(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | DEPRECATED | AVAILABILITY | RETURN VALUE | SEE ALSO
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