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CURLINFO_FILETIME

Section: curl_easy_getinfo options (3)
Updated: April 03, 2017
Index Return to Main Contents

 

NAME

CURLINFO_FILETIME - get the remote time of the retrieved document  

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_FILETIME, long *timep);  

DESCRIPTION

Pass a pointer to a long 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 doesn't support the command that tells document time etc) and the time of the document is unknown.

Note that you must tell the server 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.  

PROTOCOLS

HTTP(S), FTP(S), SFTP  

EXAMPLE

curl = 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) {
    res = curl_easy_getinfo(curl, CURLINFO_FILETIME, &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);
}
 

AVAILABILITY

Added in 7.5  

RETURN VALUE

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

SEE ALSO

curl_easy_getinfo(3), curl_easy_setopt(3),


 

Index

NAME
SYNOPSIS
DESCRIPTION
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO





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