1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLOPT_TIMEVALUE 5Section: 3 6Source: libcurl 7See-also: 8 - CURLOPT_TIMECONDITION (3) 9 - CURLOPT_TIMEVALUE_LARGE (3) 10Protocol: 11 - HTTP 12--- 13 14# NAME 15 16CURLOPT_TIMEVALUE - time value for conditional 17 18# SYNOPSIS 19 20~~~c 21#include <curl/curl.h> 22 23CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TIMEVALUE, long val); 24~~~ 25 26# DESCRIPTION 27 28Pass a long *val* as parameter. This should be the time counted as seconds 29since 1 Jan 1970, and the time is used in a condition as specified with 30CURLOPT_TIMECONDITION(3). 31 32On systems with 32 bit 'long' variables (such as Windows), this option cannot 33set dates beyond the year 2038. Consider CURLOPT_TIMEVALUE_LARGE(3) 34instead. 35 36# DEFAULT 37 380 39 40# EXAMPLE 41 42~~~c 43int main(void) 44{ 45 CURL *curl = curl_easy_init(); 46 if(curl) { 47 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 48 49 /* January 1, 2020 is 1577833200 */ 50 curl_easy_setopt(curl, CURLOPT_TIMEVALUE, 1577833200L); 51 52 /* If-Modified-Since the above time stamp */ 53 curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE); 54 55 /* Perform the request */ 56 curl_easy_perform(curl); 57 } 58} 59~~~ 60 61# AVAILABILITY 62 63Always 64 65# RETURN VALUE 66 67Returns CURLE_OK 68
