CURLINFO_CONTENT_LENGTH_UPLOAD(3) Library Functions Manual
NAME
CURLINFO_CONTENT_LENGTH_UPLOAD - specified size of the upload
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CONTENT_LENGTH_UPLOAD,
double *content_length);
DESCRIPTION
Pass a pointer to a double to receive the specified size of the upload.
Since 7.19.4, this returns -1 if the size is not known.
CURLINFO_CONTENT_LENGTH_UPLOAD_T(3) is a newer replacement that returns
a more sensible variable type.
PROTOCOLS
This functionality affects all supported protocols
EXAMPLE
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode result;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
/* Perform the upload */
result = curl_easy_perform(curl);
if(result == CURLE_OK) {
/* check the size */
double cl;
result = curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_UPLOAD, &cl);
if(result == CURLE_OK) {
printf("Size: %.0f\n", cl);
}
}
}
}
DEPRECATED
Deprecated since 7.55.0.
AVAILABILITY
Added in curl 7.6.1
RETURN VALUE
curl_easy_getinfo(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred,
see libcurl-errors(3).
SEE ALSO
CURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3), curl_easy_getinfo(3),
curl_easy_setopt(3)
libcurl 2026-03-23 CURLINFO_CONTENT_LENGTH_UPLOAD(3)
curl 8.19.0 - Generated Tue Mar 24 18:52:44 CDT 2026