'function' : not all control paths return a value
The specified function can potentially not return a value.
The following example generates this warning:
int func1( int i )
{
if( i )
return 3; // warning, nothing returned if i == 0
}
To prevent this warning, modify the code so that all paths assign a return value to the function:
int func1( int i )
{
if( i ) return 3;
else return 0; // OK, always returns a value
}
It is possible that your code may contain a call to a function that never returns, as in the following example:
int glue()
{
if(...)
return 1;
else if(...)
return 0;
else
fatal();
}
This code also generates an warning, because the compiler does not know that fatal
never returns. To prevent this code from generating an error message, declare fatal
using __declspec(noreturn).