mirror of https://github.com/moparisthebest/curl
70 lines
1.1 KiB
Perl
70 lines
1.1 KiB
Perl
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#!/usr/bin/env perl
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open(S, "<../libcurl/symbols-in-versions") || die;
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my %doc;
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my %rem;
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while(<S>) {
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if(/(^CURL[^ \n]*) *(.*)/) {
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my ($sym, $rest)=($1, $2);
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my @a=split(/ +/, $rest);
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$doc{$sym}=$a[0]; # when it was introduced
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if($a[2]) {
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# this symbol is documented to have been present the last time
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# in this release
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$rem{$sym}=$a[2];
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}
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}
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}
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close(S);
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sub age {
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my ($ver)=@_;
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my @s=split(/\./, $ver);
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return $s[0]*10000+$s[1]*100+$s[2];
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}
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my %used;
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open(C, "<$ARGV[0]") || die;
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while(<C>) {
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if(/\W(CURL[_A-Z0-9v]+)\W/) {
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#print "$1\n";
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$used{$1}++;
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}
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}
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close(C);
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sub sortversions {
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my $r = age($doc{$a}) <=> age($doc{$b});
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if(!$r) {
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$r = $a cmp $b;
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}
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return $r;
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}
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my @recent = reverse sort sortversions keys %used;
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# the most recent symbol
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my $newsym = $recent[0];
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# the most recent version
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my $newver = $doc{$newsym};
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print "The scanned source uses these symbols introduced in $newver:\n";
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for my $w (@recent) {
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if($doc{$w} eq $newver) {
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printf " $w\n";
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next;
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}
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last;
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}
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