un-nest curl

curl-8.15.0/tests/test1276.pl

@@ -0,0 +1,66 @@
+#!/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
+#
+###########################################################################
+
+sub showline {
+    my ($l) = @_;
+    $l =~ s/([^\x20-\x7f])/sprintf "%%%02x", ord $1/eg;
+    return $l;
+}
+
+my $root = $ARGV[0];
+
+open(my $fh, "-|", "perl $root/lib/optiontable.pl < $root/include/curl/curl.h");
+binmode $fh;
+my @gen=<$fh>;
+close($fh);
+
+open($fh, "<", "$root/lib/easyoptions.c");
+binmode $fh;
+my @file=<$fh>;
+close($fh);
+
+if(join("", @gen) ne join("", @file)) {
+    print "easyoptions.c need to be regenerated!\n";
+
+    printf "easyoptions.c is %u lines\n", scalar(@file);
+    printf "generated file is %u lines\n", scalar(@gen);
+    my $e = 0;
+    for my $i (0 .. $#gen) {
+        # strip CRLFs to unify
+        $gen[$i] =~ s/[\r\n]//g;
+        $file[$i] =~ s/[\r\n]//g;
+        if($gen[$i] ne $file[$i]) {
+            printf "File: %u:%s\nGen:  %u:%s\n",
+                $i+1, showline($file[$i]),
+                $i+1, showline($gen[$i]);
+            $e++;
+            if($e > 10) {
+                # only show 10 lines diff
+                last;
+            }
+        }
+    }
+    exit 1 if($e);
+}