Taint

Description

Taint is a Perl extension to taint variables. SYNOPSIS use Taint; taint($taintvar[, $anothervar[, $yetmorevars]]); $bool = tainted($vartocheck); taint() marks its arguments as tainted. tainted() returns true if its argument is tainted, false otherwise DIAGNOSTICS Attempt to taint read-only value You attempted to taint something untaintable, such as a constant or expression. taint() only takes lvalues for arguments Attempt to taint an array A reference to an array was passed to taint. You can only taint individual array items, not array itself. Attempt to taint a hash A reference to a hash was passed to taint. You can only taint individual hash items, not the entire hash. Attempt to taint code You passed a coderef to taint. You cant do that. Attempt to taint a typeglob You passed a typeglob to taint. taint only taints scalars, and a typeglob isnt one. Attempt to taint a reference You tried to taint a reference, which you just cant do. Attempt to taint something unknown or undef You tried tainting either a variable set to undef, or your version of perl has more types of variables than mine did when this module was written. Odds are, youre trying to taint a variable with an undef value like, for example, one that has been created (either explicitly or implicitly) but not had a value assigned. Doing this: my $foo; taint($foo); will trigger this error..

Taint - Attempt - Perl - Reference - Tainted - Hash - Libraries - Programming

Published By:Dan Sugalski

License Type:Freeware

Date Added:22 October, 2010

Version:0.07

Price:Free

Downloads:71

Size:4.1 KB

Platform: Linux

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