1--- 2c: Copyright (C) Daniel Stenberg, <daniel.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) 13--- 14 15# NAME 16 17CURLINFO_SIZE_DOWNLOAD - get the number of downloaded bytes 18 19# SYNOPSIS 20 21~~~c 22#include <curl/curl.h> 23 24CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SIZE_DOWNLOAD, double *dlp); 25~~~ 26 27# DESCRIPTION 28 29Pass a pointer to a double to receive the total amount of bytes that were 30downloaded. The amount is only for the latest transfer and gets reset again 31for each new transfer. This counts actual payload data, what's also commonly 32called body. All meta and header data is excluded and not included in this 33number. 34 35CURLINFO_SIZE_DOWNLOAD_T(3) is a newer replacement that returns a more 36sensible variable type. 37 38# PROTOCOLS 39 40All 41 42# EXAMPLE 43 44~~~c 45int main(void) 46{ 47 CURL *curl = curl_easy_init(); 48 if(curl) { 49 CURLcode res; 50 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 51 52 /* Perform the request */ 53 res = curl_easy_perform(curl); 54 55 if(!res) { 56 /* check the size */ 57 double dl; 58 res = curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &dl); 59 if(!res) { 60 printf("Downloaded %.0f bytes\n", dl); 61 } 62 } 63 } 64} 65~~~ 66 67# AVAILABILITY 68 69Added in 7.4.1. Deprecated since 7.55.0. 70 71# RETURN VALUE 72 73Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 74