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2ec54556d4
- add 'use warnings' and 'use strict' where missing from Perl scripts. - fix 'Use of uninitialized value'. - fix missing declarations. - test1140.pl: fix 'Possible precedence issue with control flow operator'. - fix other misc issues. Most actual errors found during this PR were fixed and merged via separate PRs. Likely there are remaining warnings not found and fixed in this PR. Closes #17877
106 lines
2.8 KiB
Perl
Executable File
106 lines
2.8 KiB
Perl
Executable File
#!/usr/bin/env 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) 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 https://curl.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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# SPDX-License-Identifier: curl
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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 useful to
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# applications that want to build with a wide range of libcurl versions. It
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# is however easy to get it wrong and the source gets a bit messy with all the
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# 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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use strict;
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use warnings;
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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 && $str =~ /([0-9]*)\.([0-9]*)\.*([0-9]*)/) {
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return sprintf("0x%06x", $1 <<16 | $2 << 8 | ($3 || '0'));
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}
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}
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print <<EOS
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#include <curl/curl.h>
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#define LIBCURL_HAS(x) \\
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(defined(x ## _FIRST) && (x ## _FIRST <= LIBCURL_VERSION_NUM) && \\
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(!defined(x ## _LAST) || ( x ## _LAST >= LIBCURL_VERSION_NUM)))
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EOS
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;
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while(<F>) {
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if(/^(CURL[^ ]*)[ \t]*(.*)/) {
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my ($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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