possible future enhancement - detect shift overflow ?

[dcb]

$ more sep11b.cc

void g( int n);

void f( int n)
{
if (n & (0xff << 28))
g( n);
}
$ ~/cppcheck/trunk/cppcheck --enable=all sep11b.cc
Checking sep11b.cc...
$ clang++ -c -O2 -Wall sep11b.cc
sep11b.cc:6:16: warning: signed shift result (0xFF0000000) requires 37 bits to
represent, but 'int' only has 32 bits [-Wshift-overflow]
if (n & (0xff << 28))
~~~~ ^ ~~
1 warning generated.
$

[Daniel Marjamäki]

it doesn't sound bad. you can report it in our issue tracker so we don't forget this.