test1139: verifies libcurl option man page presence

- checks that each option has its own man page present

- checks that each option is mentioned in its corresponding index man
  page

tests/data/Makefile.inc

@@ -119,7 +119,7 @@ test1104 test1105 test1106 test1107 test1108 test1109 test1110 test1111 \
 test1112 test1113 test1114 test1115 test1116 test1117 test1118 test1119 \
 test1120 test1121 test1122 test1123 test1124 test1125 test1126 test1127 \
 test1128 test1129 test1130 test1131 test1132 test1133 test1134 test1135 \
-test1136 test1137 test1138 \
+test1136 test1137 test1138 test1139 \
 \
 test1200 test1201 test1202 test1203 test1204 test1205 test1206 test1207 \
 test1208 test1209 test1210 test1211 test1212 test1213 test1214 test1215 \

tests/data/test1139

@@ -0,0 +1,26 @@
+<testcase>
+<info>
+<keywords>
+source analysis
+symbols-in-versions
+documentation
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+
+ <name>
+Verify that all libcurl options have man pages
+ </name>
+
+<command type="perl">
+%SRCDIR/manpage-scan.pl %SRCDIR/..
+</command>
+</client>
+
+</testcase>

tests/manpage-scan.pl

@@ -0,0 +1,127 @@
+#!/usr/bin/env perl
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2016, 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.haxx.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.
+#
+###########################################################################
+#
+# Scan symbols-in-version (which is verified to be correct by test 1119), then
+# verify that each option mention in there that should have its own man page
+# actually does.
+#
+# In addition, make sure that every current option to curl_easy_setopt,
+# curl_easy_getinfo and curl_multi_setopt are also mentioned in their
+# corresponding main (index) man page.
+#
+# Output all deviances to stderr.
+
+use strict;
+use warnings;
+
+# we may get the dir root pointed out
+my $root=$ARGV[0] || ".";
+my $syms = "$root/docs/libcurl/symbols-in-versions";
+my $curlh = "$root/include/curl/curl.h";
+my $errors;
+
+# the prepopulated alias list is the CURLINFO_* defines that are used for the
+# debug function callback and the fact that they use the same prefix as the
+# curl_easy_getinfo options was a mistake.
+my %alias = (
+    'CURLINFO_DATA_IN' => 'none',
+    'CURLINFO_DATA_OUT' => 'none',
+    'CURLINFO_END' => 'none',
+    'CURLINFO_HEADER_IN' => 'none',
+    'CURLINFO_HEADER_OUT' => 'none',
+    'CURLINFO_LASTONE' => 'none',
+    'CURLINFO_NONE' => 'none',
+    'CURLINFO_SSL_DATA_IN' => 'none',
+    'CURLINFO_SSL_DATA_OUT' => 'none',
+    'CURLINFO_TEXT' => 'none'
+    );
+
+sub scanmanpage {
+    my ($file, @words) = @_;
+
+    open(M, "<$file");
+    my @m = <M>;
+    close(M);
+
+    foreach my $m (@words) {
+
+        my @g = grep(/^\.IP $m/, @m);
+        if(!$g[0]) {
+            print STDERR "Missing mention of $m in $file\n";
+            $errors++;
+        }
+    }
+}
+
+# check for define alises
+open(R, "<$curlh") ||
+    die "no curl.h";
+while(<R>) {
+    if(/^\#define (CURL(OPT|INFO|MOPT)_\w+) (.*)/) {
+        $alias{$1}=$3;
+    }
+}
+close(R);
+
+my @curlopt;
+my @curlinfo;
+my @curlmopt;
+open(R, "<$syms") ||
+    die "no input file";
+while(<R>) {
+    chomp;
+    my $l= $_;
+    if($l =~ /(CURL(OPT|INFO|MOPT)_\w+) *([0-9.]*) *([0-9.-]*) *([0-9.]*)/) {
+        my ($opt, $type, $add, $dep, $rem) = ($1, $2, $3, $4, $5);
+
+        if($alias{$opt}) {
+            #print "$opt => $alias{$opt}\n";
+        }
+        elsif($rem) {
+            # $opt was removed in $rem
+            # so don't check for that
+        }
+        else {
+            if($type eq "OPT") {
+                push @curlopt, $opt,
+            }
+            elsif($type eq "INFO") {
+                push @curlinfo, $opt,
+            }
+            elsif($type eq "MOPT") {
+                push @curlmopt, $opt,
+            }
+            if(! -f "$root/docs/libcurl/opts/$opt.3") {
+                print STDERR "Missing $opt.3\n";
+                $errors++;
+            }
+        }
+    }
+}
+close(R);
+
+scanmanpage("$root/docs/libcurl/curl_easy_setopt.3", @curlopt);
+scanmanpage("$root/docs/libcurl/curl_easy_getinfo.3", @curlinfo);
+scanmanpage("$root/docs/libcurl/curl_multi_setopt.3", @curlmopt);
+
+exit $errors;