Re: Fixing new for VC6- on project-local basis
"Tamas Demjen" wrote:
ultranet wrote:
void *__cdecl operator new(size_t size) throw()
{
char *p = new char[size];
if ( p == NULL) {
// TODO: log it
throw bad_alloc();
}
return p;
}
Alex has answered your question, but I would like to point out that you
are throwing from a no-throw function, which will instantly terminate
your application. I think you want to remove the throw() specifier from
this version.
Right, it should throw. However, C++ standard allows throwing undeclared
exceptions.
#if _MSC_VER <= 1200
#include <new>
void *__cdecl operator new(size_t size) throw(std::bad_alloc)
{
char *p = ::new char[size];
if ( p == 0) {
// TODO: log it
throw std::bad_alloc();
}
return p;
}
void *__cdecl operator new(size_t size, const std::nothrow_t&) throw()
{
char *p;
try
{
p = new char[size];
}
catch (std::bad_alloc)
{
p = 0;
// TODO: log it
}
return p;
}
#endif
But this doesn't work because of recursion. My strategy will be to declare
new_throw, and then a macro for new, which calls new_throw.
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