Re: on allowing "int a" definition everywhere

On Wed, 21 Aug 2024 10:01:12 -0300
Thiago Adams <thiago.adams@gmail.com> wrote:

 
For this type of error you need my static analyzer. (cake) :D
 

Unnecessary. MSVC -W4 gives a warning.

#include <cstdio>

void foo()
{
  FILE* f = fopen("file1.txt", "r");
  if (FILE* f = fopen("file2.txt", "r")) {
    fclose(f);
  }
  if (f)
    fclose(f);
}


scopes.cpp(6): warning C4456: declaration of 'f' hides previous local
declaration scopes.cpp(5): note: see declaration of 'f'