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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLINFO_FILETIME.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 CURLINFO_FILETIME 3 "28 Aug 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
24 .SH NAME
25 CURLINFO_FILETIME \- get the remote time of the retrieved document
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_FILETIME, long *timep);
30 .SH DESCRIPTION
31 Pass a pointer to a long to receive the remote time of the retrieved document
32 (in number of seconds since 1 jan 1970 in the GMT/UTC time zone). If you get
33 -1, it can be because of many reasons (it might be unknown, the server might
34 hide it or the server doesn't support the command that tells document time
35 etc) and the time of the document is unknown.
36
37 You must tell libcurl to collect this information before the transfer is made,
38 by using the \fICURLOPT_FILETIME(3)\fP option to \fIcurl_easy_setopt(3)\fP or
39 you will unconditionally get a -1 back.
40
41 Consider using \fICURLINFO_FILETIME_T(3)\fP to be able to extract dates beyond
42 the year 2038 on systems using 32 bit longs.
43 .SH PROTOCOLS
44 HTTP(S), FTP(S), SFTP
45 .SH EXAMPLE
46 .nf
47 curl = curl_easy_init();
48 if(curl) {
49 curl_easy_setopt(curl, CURLOPT_URL, url);
50 /* Ask for filetime */
51 curl_easy_setopt(curl, CURLOPT_FILETIME, 1L);
52 res = curl_easy_perform(curl);
53 if(CURLE_OK == res) {
54 res = curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
55 if((CURLE_OK == res) && (filetime >= 0)) {
56 time_t file_time = (time_t)filetime;
57 printf("filetime %s: %s", filename, ctime(&file_time));
58 }
59 }
60 /* always cleanup */
61 curl_easy_cleanup(curl);
62 }
63 .fi
64 .SH AVAILABILITY
65 Added in 7.5
66 .SH RETURN VALUE
67 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
68 .SH "SEE ALSO"
69 .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "