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COMP: remove warning and check for assignment to itself in operator=

This commit is contained in:
Bill Hoffman 2008-07-10 17:20:14 -04:00
parent 06d38d313f
commit 0143b83264
1 changed files with 4 additions and 0 deletions
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4
Source/kwsys/RegularExpression.cxx
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@ -77,6 +77,10 @@ RegularExpression::RegularExpression (const RegularExpression& rxp) {
// operator= -- Copies the given regular expression. // operator= -- Copies the given regular expression.
RegularExpression& RegularExpression::operator= (const RegularExpression& rxp) RegularExpression& RegularExpression::operator= (const RegularExpression& rxp)
{ {
if(this == &rxp)
{
return *this;
}
if ( !rxp.program ) if ( !rxp.program )
{ {
this->program = 0; this->program = 0;