CURLOPT_FILETIME explained
Name
CURLOPT_FILETIME - get the modification time of the remote resource
Synopsis
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FILETIME, long gettime);
Description
Pass a long. If it is 1, libcurl attempts to get the modification time of the remote document in this operation. This requires that the remote server sends the time or replies to a time querying command. The curl_easy_getinfo function with the CURLINFO_FILETIME argument can be used after a transfer to extract the received time (if any).
Default
0
Protocols
This functionality affects file, ftp, http, sftp and smb
Example
int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/path.html"); /* Ask for filetime */ curl_easy_setopt(curl, CURLOPT_FILETIME, 1L); res = curl_easy_perform(curl); if(CURLE_OK == res) { long filetime; res = curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime); if((CURLE_OK == res) && (filetime >= 0)) { time_t file_time = (time_t)filetime; printf("filetime: %s", ctime(&file_time)); } } /* always cleanup */ curl_easy_cleanup(curl); } }
Availability
Added in curl 7.5
Return value
Returns CURLE_OK
See also
CURLINFO_FILETIME(3), curl_easy_getinfo(3)
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