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Add some null checking -- if the string is undefined, then turn it into the empty string. This avoids many undefined value warnings when the data provided by the user is incomplete.

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ian%hixie.ch 2002-05-26 15:02:33 +00:00
parent f5ec789f5f
commit 8ffd16f0b1
1 changed files with 11 additions and 7 deletions
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18
webtools/PLIF/PLIF/Input/CGI.pm
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@ -73,13 +73,17 @@ sub splitArguments {
my $value = $2;
# decode the strings
foreach my $string ($name, $value) {
$string =~ tr/+/ /; # convert + to spaces
$string =~ s/% # a percent symbol
( # followed by
[0-9A-Fa-f]{2} # 2 hexidecimal characters
) # which we shall put in $1
/chr(hex($1)) # and convert back into a character
/egox; # (evaluate, globally, optimised, with comments)
if (defined($string)) {
$string =~ tr/+/ /; # convert + to spaces
$string =~ s/% # a percent symbol
( # followed by
[0-9A-Fa-f]{2} # 2 hexidecimal characters
) # which we shall put in $1
/chr(hex($1)) # and convert back into a character
/egox; # (evaluate, globally, optimised, with comments)
} else {
$string = '';
}
}
$self->addArgument($name, $value);
} else {