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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_TIMECONDITION.3 @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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23 .TH CURLOPT_TIMECONDITION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
24 .SH NAME
25 CURLOPT_TIMECONDITION \- select condition for a time request
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TIMECONDITION, long cond);
30 .SH DESCRIPTION
31 Pass a long as parameter. This defines how the \fICURLOPT_TIMEVALUE(3)\fP time
32 value is treated. You can set this parameter to \fICURL_TIMECOND_IFMODSINCE\fP
33 or \fICURL_TIMECOND_IFUNMODSINCE\fP.
34
35 The last modification time of a file is not always known and in such instances
36 this feature will have no effect even if the given time condition would not
37 have been met. \fIcurl_easy_getinfo(3)\fP with the
38 \fICURLINFO_CONDITION_UNMET\fP option can be used after a transfer to learn if
39 a zero-byte successful "transfer" was due to this condition not matching.
40 .SH DEFAULT
41 CURL_TIMECOND_NONE (0)
42 .SH PROTOCOLS
43 HTTP, FTP, RTSP, and FILE
44 .SH EXAMPLE
45 .nf
46 CURL *curl = curl_easy_init();
47 if(curl) {
48 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
49
50 /* January 1, 2020 is 1577833200 */
51 curl_easy_setopt(curl, CURLOPT_TIMEVALUE, 1577833200L);
52
53 /* If-Modified-Since the above time stamp */
54 curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
55
56 /* Perform the request */
57 curl_easy_perform(curl);
58 }
59 .fi
60 .SH AVAILABILITY
61 Always
62 .SH RETURN VALUE
63 Returns CURLE_OK
64 .SH "SEE ALSO"
65 .BR CURLOPT_TIMEVALUE "(3), "