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comparison mupdf-source/thirdparty/curl/docs/libcurl/symbols.pl @ 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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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #!/usr/bin/env perl
2 #***************************************************************************
3 # _ _ ____ _
4 # Project ___| | | | _ \| |
5 # / __| | | | |_) | |
6 # | (__| |_| | _ <| |___
7 # \___|\___/|_| \_\_____|
8 #
9 # Copyright (C) 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
10 #
11 # This software is licensed as described in the file COPYING, which
12 # you should have received as part of this distribution. The terms
13 # are also available at https://curl.haxx.se/docs/copyright.html.
14 #
15 # You may opt to use, copy, modify, merge, publish, distribute and/or sell
16 # copies of the Software, and permit persons to whom the Software is
17 # furnished to do so, under the terms of the COPYING file.
18 #
19 # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 # KIND, either express or implied.
21 #
22 ###########################################################################
23 #
24 # Experience has shown that the symbols-in-versions file is very useful to
25 # applications that want to build with a wide range of libcurl versions.
26 # It is however easy to get it wrong and the source gets a bit messy with all
27 # the fixed numerical comparisons.
28 #
29 # The point of this script is to provide an easy-to-use macro for libcurl-
30 # using applications to do preprocessor checks for specific libcurl defines,
31 # and yet make the code clearly show what the macro is used for.
32 #
33 # Run this script and generate libcurl-symbols.h and then use that header in
34 # a fashion similar to:
35 #
36 # #include "libcurl-symbols.h"
37 #
38 # #if LIBCURL_HAS(CURLOPT_MUTE)
39 # has mute
40 # #else
41 # no mute
42 # #endif
43 #
44 #
45 open F, "<symbols-in-versions";
46
47 sub str2num {
48 my ($str)=@_;
49 if($str =~ /([0-9]*)\.([0-9]*)\.*([0-9]*)/) {
50 return sprintf("0x%06x", $1<<16 | $2 << 8 | $3);
51 }
52 }
53
54 print <<EOS
55
56 #include <curl/curl.h>
57
58 #define LIBCURL_HAS(x) \\
59 (defined(x ## _FIRST) && (x ## _FIRST <= LIBCURL_VERSION_NUM) && \\
60 (!defined(x ## _LAST) || ( x ## _LAST >= LIBCURL_VERSION_NUM)))
61
62 EOS
63 ;
64
65 while(<F>) {
66 if(/^(CURL[^ ]*)[ \t]*(.*)/) {
67 my ($sym, $vers)=($1, $2);
68
69 my $intr;
70 my $rm;
71 my $dep;
72
73 # is there removed info?
74 if($vers =~ /([\d.]+)[ \t-]+([\d.-]+)[ \t]+([\d.]+)/) {
75 ($intr, $dep, $rm)=($1, $2, $3);
76 }
77 # is it a dep-only line?
78 elsif($vers =~ /([\d.]+)[ \t-]+([\d.]+)/) {
79 ($intr, $dep)=($1, $2);
80 }
81 else {
82 $intr = $vers;
83 }
84
85 my $inum = str2num($intr);
86
87 print <<EOS
88 #define ${sym}_FIRST $inum /* Added in $intr */
89 EOS
90 ;
91 my $irm = str2num($rm);
92 if($rm) {
93 print <<EOS
94 #define ${sym}_LAST $irm /* Last featured in $rm */
95 EOS
96 ;
97 }
98
99 }
100 }