aboutsummaryrefslogtreecommitdiff
path: root/docs
diff options
context:
space:
mode:
Diffstat (limited to 'docs')
-rwxr-xr-xdocs/examples/version-check.pl69
1 files changed, 69 insertions, 0 deletions
diff --git a/docs/examples/version-check.pl b/docs/examples/version-check.pl
new file mode 100755
index 000000000..f8f4f9d24
--- /dev/null
+++ b/docs/examples/version-check.pl
@@ -0,0 +1,69 @@
+#!/usr/bin/env perl
+
+open(S, "<../libcurl/symbols-in-versions") || die;
+
+my %doc;
+my %rem;
+while(<S>) {
+ if(/(^CURL[^ \n]*) *(.*)/) {
+ my ($sym, $rest)=($1, $2);
+ my @a=split(/ +/, $rest);
+
+ $doc{$sym}=$a[0]; # when it was introduced
+
+ if($a[2]) {
+ # this symbol is documented to have been present the last time
+ # in this release
+ $rem{$sym}=$a[2];
+ }
+ }
+
+}
+
+close(S);
+
+sub age {
+ my ($ver)=@_;
+
+ my @s=split(/\./, $ver);
+ return $s[0]*10000+$s[1]*100+$s[2];
+}
+
+my %used;
+open(C, "<$ARGV[0]") || die;
+
+while(<C>) {
+ if(/\W(CURL[_A-Z0-9v]+)\W/) {
+ #print "$1\n";
+ $used{$1}++;
+ }
+}
+
+close(C);
+
+sub sortversions {
+ my $r = age($doc{$a}) <=> age($doc{$b});
+ if(!$r) {
+ $r = $a cmp $b;
+ }
+ return $r;
+}
+
+my @recent = reverse sort sortversions keys %used;
+
+# the most recent symbol
+my $newsym = $recent[0];
+# the most recent version
+my $newver = $doc{$newsym};
+
+print "The scanned source uses these symbols introduced in $newver:\n";
+
+for my $w (@recent) {
+ if($doc{$w} eq $newver) {
+ printf " $w\n";
+ next;
+ }
+ last;
+}
+
+