Add upstream file that missed the tarball for 8.5.0

Forwarded: not-needed

More context at https://github.com/curl/curl/issues/12462#issuecomment-1843569943

Gbp-Pq: Name add_errorcodes_upstream_file.patch

diff --git a/tests/errorcodes.pl b/tests/errorcodes.pl
new file mode 100644 (file)
index 0000000..9c8f9e8
--- /dev/null
+++ b/tests/errorcodes.pl
@@ -0,0 +1,99 @@
+#!/usr/bin/env perl
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+# SPDX-License-Identifier: curl
+#
+###########################################################################
+
+# Check that libcurl-errors.3 and the public header files have the same set of
+# error codes.
+
+use strict;
+use warnings;
+
+# we may get the dir roots pointed out
+my $root=$ARGV[0] || ".";
+my $manpge = "$root/docs/libcurl/libcurl-errors.3";
+my $curlh = "$root/include/curl";
+my $errors=0;
+
+my @hnames;
+my %wherefrom;
+my @mnames;
+my %manfrom;
+
+sub scanheader {
+    my ($file)=@_;
+    open H, "<$file";
+    my $line = 0;
+    while(<H>) {
+        $line++;
+        if($_ =~ /^  (CURL(E|UE|SHE|HE|M)_[A-Z0-9_]*)/) {
+            my ($name)=($1);
+            if(($name !~ /OBSOLETE/) && ($name !~ /_LAST\z/)) {
+                push @hnames, $name;
+                if($wherefrom{$name}) {
+                    print STDERR "double: $name\n";
+                }
+                $wherefrom{$name}="$file:$line";
+            }
+        }
+    }
+    close(H);
+}
+
+sub scanmanpage {
+    my ($file)=@_;
+    open H, "<$file";
+    my $line = 0;
+    while(<H>) {
+        $line++;
+        if($_ =~ /^\.IP \"(CURL(E|UE|SHE|HE|M)_[A-Z0-9_]*)/) {
+            my ($name)=($1);
+            push @mnames, $name;
+            $manfrom{$name}="$file:$line";
+        }
+    }
+    close(H);
+}
+
+
+opendir(my $dh, $curlh) || die "Can't opendir $curlh: $!";
+my @hfiles = grep { /\.h$/ } readdir($dh);
+closedir $dh;
+
+for(sort @hfiles) {
+    scanheader("$curlh/$_");
+}
+scanmanpage($manpge);
+
+print "Result\n";
+for my $h (sort @hnames) {
+    if(!$manfrom{$h}) {
+        printf "$h from %s, not in man page\n", $wherefrom{$h};
+    }
+}
+
+for my $m (sort @mnames) {
+    if(!$wherefrom{$m}) {
+        printf "$m from %s, not in any header\n", $manfrom{$m};
+    }
+}