How to check memory allocation failures with new operator?

Question

Just recently I switched the language of my project to use C++ from C. With C, I used malloc and after that I check if malloc was successful but with C++, I use \'new\' to a

Answer 1

You'll still need to check for a memory allocation failure.

Either

scoped_array buf;

try {
  buf.reset( new char[MAX_BUF] );
} catch( std::bad_alloc& ) {
  // Handle the failure
}

Or

scoped_array buf( new(std::nothrow)char[MAX_BUF] );

if( buf.get() == NULL ) {
   // Handle the failure
}