CURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3)

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NAME

6       CURLINFO_CONTENT_LENGTH_DOWNLOAD_T - get content-length of download
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
12                                  curl_off_t *content_length);
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DESCRIPTION

15       Pass  a  pointer  to  a curl_off_t to receive the content-length of the
16       download. This is the value read from the Content-Length: field. Stores
17       -1 if the size is not known.
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PROTOCOLS

20       HTTP(S)
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EXAMPLE

23       CURL *curl = curl_easy_init();
24       if(curl) {
25         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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27         /* Perform the request */
28         res = curl_easy_perform(curl);
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30         if(!res) {
31           /* check the size */
32           curl_off_t cl;
33           res = curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T, &cl);
34           if(!res) {
35             printf("Download size: %" CURL_FORMAT_CURL_OFF_T "\n", cl);
36           }
37         }
38       }
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AVAILABILITY

41       Added in 7.55.0
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RETURN VALUE

44       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
45       if not.
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