From 75645b089d19ff211dbf19007a7048c0e8f8b521 Mon Sep 17 00:00:00 2001
From: Byron Jones <bjones@mozilla.com>
Date: Wed, 12 Jun 2013 16:38:43 +0800
Subject: Bug 882059: fix "use of uninitialized value" warnings, and ignore
 some errors/warnings

---
 Bugzilla/Auth.pm               |  3 ++-
 Bugzilla/DB/Mysql.pm           |  2 +-
 Bugzilla/Search/Quicksearch.pm |  3 +++
 Bugzilla/Sentry.pm             |  1 +
 buglist.cgi                    | 16 +++++++++-------
 extensions/Voting/Extension.pm |  1 +
 6 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/Bugzilla/Auth.pm b/Bugzilla/Auth.pm
index ab741965a..7775a03c9 100644
--- a/Bugzilla/Auth.pm
+++ b/Bugzilla/Auth.pm
@@ -221,7 +221,8 @@ sub _handle_login_result {
             # For IPv6 we'll need to use inet_pton which requires Perl 5.12.
             my $n = inet_aton($address);
             if ($n) {
-                $address = gethostbyaddr($n, AF_INET) . " ($address)"
+                my $host = gethostbyaddr($n, AF_INET);
+                $address = "$host ($address)" if $host;
             }
             my $vars = {
                 locked_user => $user,
diff --git a/Bugzilla/DB/Mysql.pm b/Bugzilla/DB/Mysql.pm
index 9ddb46622..c430725ef 100644
--- a/Bugzilla/DB/Mysql.pm
+++ b/Bugzilla/DB/Mysql.pm
@@ -181,7 +181,7 @@ sub sql_fulltext_search {
         $mode = 'IN BOOLEAN MODE';
 
         # quote un-quoted compound words
-        my @words = quotewords('[\s()]+', 'delimiters', $text);
+        my @words = grep { defined } quotewords('[\s()]+', 'delimiters', $text);
         foreach my $word (@words) {
             # match words that have non-word chars in the middle of them
             if ($word =~ /\w\W+\w/ && $word !~ m/"/) {
diff --git a/Bugzilla/Search/Quicksearch.pm b/Bugzilla/Search/Quicksearch.pm
index 61e4a926a..48eaff8d1 100644
--- a/Bugzilla/Search/Quicksearch.pm
+++ b/Bugzilla/Search/Quicksearch.pm
@@ -214,6 +214,7 @@ sub quicksearch {
         foreach my $qsword (@qswords) {
             my @or_operand = parse_line('\|', 1, $qsword);
             foreach my $term (@or_operand) {
+                next unless defined $term;
                 my $negate = substr($term, 0, 1) eq '-';
                 if ($negate) {
                     $term = substr($term, 1);
@@ -344,6 +345,7 @@ sub _handle_status_and_resolution {
 
 sub _handle_special_first_chars {
     my ($qsword, $negate) = @_;
+    return if $qsword eq '';
 
     my $firstChar = substr($qsword, 0, 1);
     my $baseWord = substr($qsword, 1);
@@ -415,6 +417,7 @@ sub _handle_field_names {
                     $bug_status_set = 1;
                 }
                 foreach my $value (@values) {
+                    next unless defined $value;
                     my $operator = FIELD_OPERATOR->{$translated} || 'substring';
                     # If the string was quoted to protect some special
                     # characters such as commas and colons, we need
diff --git a/Bugzilla/Sentry.pm b/Bugzilla/Sentry.pm
index 66106f13a..e0866b27e 100644
--- a/Bugzilla/Sentry.pm
+++ b/Bugzilla/Sentry.pm
@@ -52,6 +52,7 @@ use constant CONFIG => {
         qr/Could not check out .*\/cvsroot/,
         qr/Unicode character \S+ is illegal/,
         qr/Lost connection to MySQL server during query/,
+        qr/Call me again when you have some data to chart/,
     ],
 
     # (ab)use the logger to classify error/warning types
diff --git a/buglist.cgi b/buglist.cgi
index 2d81ed56d..27badae7c 100755
--- a/buglist.cgi
+++ b/buglist.cgi
@@ -490,14 +490,16 @@ elsif (($cmdtype eq "doit") && defined $cgi->param('remtype')) {
               or ThrowUserError('no_tag_to_edit', {action => $action});
 
             my @buglist;
-            # Validate all bug IDs before editing tags in any of them.
-            foreach my $bug_id (split(/[\s,]+/, $cgi->param('bug_ids'))) {
-                next unless $bug_id;
-                push(@buglist, Bugzilla::Bug->check($bug_id));
-            }
+            if ($cgi->param('bug_ids')) {
+                # Validate all bug IDs before editing tags in any of them.
+                foreach my $bug_id (split(/[\s,]+/, $cgi->param('bug_ids'))) {
+                    next unless $bug_id;
+                    push(@buglist, Bugzilla::Bug->check($bug_id));
+                }
 
-            foreach my $bug (@buglist) {
-                $bug->$method($query_name);
+                foreach my $bug (@buglist) {
+                    $bug->$method($query_name);
+                }
             }
 
             $vars->{'message'} = 'tag_updated';
diff --git a/extensions/Voting/Extension.pm b/extensions/Voting/Extension.pm
index b8763b4df..aecd2382c 100644
--- a/extensions/Voting/Extension.pm
+++ b/extensions/Voting/Extension.pm
@@ -421,6 +421,7 @@ sub _page_user {
     # If a bug_id is given, and we're editing, we'll add it to the votes list.
     
     my $bug_id = $input->{bug_id};
+    $bug_id = $bug_id->[0] if ref($bug_id) eq 'ARRAY';
     my $bug = Bugzilla::Bug->check($bug_id) if $bug_id;
     my $who_id = $input->{user_id} || $user->id;
 
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