--- c: Copyright (C) Daniel Stenberg, , et al. SPDX-License-Identifier: curl Title: CURLOPT_TIMEVALUE Section: 3 Source: libcurl See-also: - CURLOPT_TIMECONDITION (3) - CURLOPT_TIMEVALUE_LARGE (3) Protocol: - HTTP --- # NAME CURLOPT_TIMEVALUE - time value for conditional # SYNOPSIS ~~~c #include 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(3). On systems with 32 bit 'long' variables (such as Windows), this option cannot set dates beyond the year 2038. Consider CURLOPT_TIMEVALUE_LARGE(3) instead. # DEFAULT 0 # EXAMPLE ~~~c 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 Always # RETURN VALUE Returns CURLE_OK