CURLINFO_FILETIME - Online Linux Manual PageSection : 3
Updated : November 26, 2021
Source : libcurl 7.82.0
Note : curl_easy_getinfo options
NAMECURLINFO_FILETIME_T − get the remote time of the retrieved document
SYNOPSIS#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_FILETIME_T,
curl_off_t *timep);
DESCRIPTIONPass a pointer to a curl_off_t to receive the remote time of the retrieved document (in number of seconds since 1 jan 1970 in the GMT/UTC time zone). If you get -1, it can be because of many reasons (it might be unknown, the server might hide it or the server does not support the command that tells document time etc) and the time of the document is unknown. You must ask libcurl to collect this information before the transfer is made, by using the CURLOPT_FILETIME(3) option to curl_easy_setopt(3) or you will unconditionally get a -1 back. This option is an alternative to CURLINFO_FILETIME(3) to allow systems with 32 bit long variables to extract dates outside of the 32bit timestamp range.
PROTOCOLSHTTP(S), FTP(S), SFTP
EXAMPLEcurl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, url);
/* Ask for filetime */
curl_easy_setopt(curl, CURLOPT_FILETIME, 1L);
res = curl_easy_perform(curl);
if(CURLE_OK == res) {
curl_off_t filetime;
res = curl_easy_getinfo(curl, CURLINFO_FILETIME_T, &filetime);
if((CURLE_OK == res) && (filetime >= 0)) {
time_t file_time = (time_t)filetime;
printf("filetime %s: %s", filename, ctime(&file_time));
}
}
/* always cleanup */
curl_easy_cleanup(curl);
}
AVAILABILITYAdded in 7.59.0
RETURN VALUEReturns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSOcurl_easy_getinfo(3), curl_easy_setopt (3)," 0
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