Fix unitialized-value warning if the PID file existed but was zero-length
at startup time. git-svn-id: https://svn.perl.org/qpsmtpd/branches/0.31@536 958fd67b-6ff1-0310-b445-bb7760255be9
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@ -110,7 +110,7 @@ if ($PID_FILE) {
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if (-e $PID_FILE) {
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open PID, "+<$PID_FILE"
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or die "open pid_file: $!\n";
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my $running_pid = <PID>; chomp $running_pid;
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my $running_pid = <PID> || ''; chomp $running_pid;
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if ($running_pid =~ /(\d+)/) {
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$running_pid = $1;
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if (kill 0, $running_pid) {
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