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CURLINFO_SIZE_DOWNLOAD(3) Library Functions Manual CURLINFO_SIZE_DOWNLOAD(3) NAME CURLINFO_SIZE_DOWNLOAD - get the number of downloaded bytes SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SIZE_DOWNLOAD, double *dlp); DESCRIPTION Pass a pointer to a double to receive the total amount of bytes that were downloaded. The amount is only for the latest transfer and gets reset again for each new transfer. This counts actual payload data, what's also commonly called body. All meta and header data is excluded and not included in this number. CURLINFO_SIZE_DOWNLOAD_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 res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); /* Perform the request */ res = curl_easy_perform(curl); if(!res) { /* check the size */ double dl; res = curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &dl); if(!res) { printf("Downloaded %.0f bytes\n", dl); } } } } DEPRECATED Deprecated since 7.55.0. AVAILABILITY Added in curl 7.4.1 RETURN VALUE curl_easy_setopt(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_SIZE_DOWNLOAD_T(3), CURLINFO_SIZE_UPLOAD_T(3), CURLOPT_MAX- FILESIZE(3), curl_easy_getinfo(3), curl_easy_setopt(3) libcurl 2025-06-03 CURLINFO_SIZE_DOWNLOAD(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | DEPRECATED | AVAILABILITY | RETURN VALUE | SEE ALSO
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