1CURLINFO_CONTENT_LENGTH_DOWNcLuOrAlD__eTa(s3y)_getinCfUoRLoIpNtFiOo_nCsONTENT_LENGTH_DOWNLOAD_T(3)
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6 CURLINFO_CONTENT_LENGTH_DOWNLOAD_T - get content-length of download
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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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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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20 HTTP(S)
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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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41 Added in 7.55.0
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44 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
45 if not.
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48 curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_CONTENT_LENGTH_UP‐
49 LOAD_T(3),
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53libcurl 7.82.0 November 26C,UR2L0I2N1FO_CONTENT_LENGTH_DOWNLOAD_T(3)