Re: [LTP] Patch from 4.11.

[Garrett Cooper <yanegomi@gmail.com>]

2009/12/18 Jiří Paleček <jpalecek@web.de>:
> Hello,
>
> in your patch from 4.11., "1. Use linux_syscall_numbers.h. 2. Fix a format
> string (use inttypes.h)....", there is:
>
>
> @@ -174,7 +177,7 @@ void test_mbind(void)
>                ret = 1;
>                return;
>        }
> -       printf("%lx\n", addr);
> +       printf("%" __PRI64_PREFIX "x\n", (long) addr);
>        ret = mbind(addr, len, MPOL_BIND, &mask, 8 * sizeof(mask), 0);
>  }
>
> I am not happy with that, particularly:
>
> 1. You use a 64-bit format specifier, but pass a long. A long may not be
> 64-bit, in which case the code is buggy.
>
> 2. You use __PRI64_PREFIX, which, as all underscore-prefixed names is an
> implementation detail of the library.
>
> 3. Why didn't use just printf("%p\n", addr), when addr is a void* and "p" is
> a format specifier for pointers.

    I just accidentally committed the -> "%p" change a second ago.
Thanks for the keen eye on the style and functional points Jiri!
Learned something new today :].
Thanks,
-Garrett

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