mirror of
https://github.com/moparisthebest/curl
synced 2024-12-23 00:28:48 -05:00
0e91737615
This reverts commit a60bde79f9 I have
pushed by mistake. Apologies for my incompetent use of the git repo!
101 lines
2.8 KiB
Perl
Executable File
101 lines
2.8 KiB
Perl
Executable File
#!/usr/bin/perl
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at http://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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###########################################################################
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#
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# Experience has shown that the symbols-in-versions file is very useful to
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# applications that want to build with a wide range of libcurl versions.
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# It is however easy to get it wrong and the source gets a bit messy with all
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# the fixed numerical comparisons.
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#
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# The point of this script is to provide an easy-to-use macro for libcurl-
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# using applications to do preprocessor checks for specific libcurl defines,
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# and yet make the code clearly show what the macro is used for.
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#
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# Run this script and generate libcurl-symbols.h and then use that header in
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# a fashion similar to:
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#
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# #include "libcurl-symbols.h"
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#
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# #if LIBCURL_HAS(CURLOPT_MUTE)
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# has mute
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# #else
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# no mute
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# #endif
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#
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#
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open F, "<symbols-in-versions";
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sub str2num {
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my ($str)=@_;
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if($str =~ /([0-9]*)\.([0-9]*)\.*([0-9]*)/) {
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return sprintf("0x%06x", $1<<16 | $2 << 8 | $3);
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}
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}
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print <<EOS
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#include <curl/curl.h>
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#define LIBCURL_HAS(x) \\
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(defined(x ## _FIRST) && (x ## _FIRST <= LIBCURL_VERSION_NUM) && \\
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(!defined(x ## _LAST) || ( x ## _LAST >= LIBCURL_VERSION_NUM)))
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EOS
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;
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while(<F>) {
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if(/^(CURL[^ ]*)[ \t]*(.*)/) {
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my ($sym, $vers)=($1, $2);
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my $intr;
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my $rm;
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my $dep;
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# is there removed info?
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if($vers =~ /([\d.]+)[ \t-]+([\d.-]+)[ \t]+([\d.]+)/) {
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($intr, $dep, $rm)=($1, $2, $3);
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}
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# is it a dep-only line?
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elsif($vers =~ /([\d.]+)[ \t-]+([\d.]+)/) {
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($intr, $dep)=($1, $2);
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}
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else {
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$intr = $vers;
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}
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my $inum = str2num($intr);
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print <<EOS
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#define ${sym}_FIRST $inum /* Added in $intr */
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EOS
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;
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my $irm = str2num($rm);
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if($rm) {
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print <<EOS
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#define ${sym}_LAST $irm /* Last featured in $rm */
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EOS
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;
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}
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}
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}
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