1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLINFO_SIZE_DOWNLOAD 5Section: 3 6Source: libcurl 7See-also: 8 - CURLINFO_SIZE_DOWNLOAD_T (3) 9 - CURLINFO_SIZE_UPLOAD_T (3) 10 - CURLOPT_MAXFILESIZE (3) 11 - curl_easy_getinfo (3) 12 - curl_easy_setopt (3) 13Protocol: 14 - All 15--- 16 17# NAME 18 19CURLINFO_SIZE_DOWNLOAD - get the number of downloaded bytes 20 21# SYNOPSIS 22 23~~~c 24#include <curl/curl.h> 25 26CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SIZE_DOWNLOAD, double *dlp); 27~~~ 28 29# DESCRIPTION 30 31Pass a pointer to a double to receive the total amount of bytes that were 32downloaded. The amount is only for the latest transfer and gets reset again 33for each new transfer. This counts actual payload data, what's also commonly 34called body. All meta and header data is excluded and not included in this 35number. 36 37CURLINFO_SIZE_DOWNLOAD_T(3) is a newer replacement that returns a more 38sensible variable type. 39 40# EXAMPLE 41 42~~~c 43int main(void) 44{ 45 CURL *curl = curl_easy_init(); 46 if(curl) { 47 CURLcode res; 48 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 49 50 /* Perform the request */ 51 res = curl_easy_perform(curl); 52 53 if(!res) { 54 /* check the size */ 55 double dl; 56 res = curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &dl); 57 if(!res) { 58 printf("Downloaded %.0f bytes\n", dl); 59 } 60 } 61 } 62} 63~~~ 64 65# AVAILABILITY 66 67Added in 7.4.1. Deprecated since 7.55.0. 68 69# RETURN VALUE 70 71Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 72