curl / libcurl / API / curl_easy_setopt / CURLOPT_TIMEVALUE

CURLOPT_TIMEVALUE explained

Name

CURLOPT_TIMEVALUE - time value for conditional

Synopsis

#include <curl/curl.h>
 
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TIMEVALUE, long val);

Description

Pass a long val as parameter. This should be the time counted as seconds since 1 Jan 1970, and the time is used in a condition as specified with CURLOPT_TIMECONDITION.

On systems with 32-bit 'long' variables (such as Windows), this option cannot set dates beyond the year 2038. Consider CURLOPT_TIMEVALUE_LARGE instead.

Default

0

Protocols

This functionality affects http only

Example

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
 
    /* January 1, 2020 is 1577833200 */
    curl_easy_setopt(curl, CURLOPT_TIMEVALUE, 1577833200L);
 
    /* If-Modified-Since the above time stamp */
    curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
 
    /* Perform the request */
    curl_easy_perform(curl);
  }
}

Availability

Added in curl 7.1

Return value

Returns CURLE_OK

See also

CURLOPT_TIMECONDITION(3), CURLOPT_TIMEVALUE_LARGE(3)

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