Re: [PATCH] inttostr.h: add compile-time buffer overrun checks

[Paolo Bonzini]

On 10/25/2010 03:40 AM, Paul Eggert wrote:
> +/* Easier-to-use macros, which don't require a string buffer argument.
> +   They can be used in code that assumes C99-style compound literals.
> +   They return a pointer to storage with scope equal to that of the
> +   enclosing block.  */
> +#define int2str_call(t, func, n)                        \
> +  func (n, ((char [INT_BUFSIZE_BOUND (t)]) {0,}))

Maybe this could use "func (n, alloca (INT_BUFSIZE_BOUND (t)))" if C99 
is not in use?  Alloca and VLA are not compatible, but if you are not 
using C99 then you are not using VLAs.

Paolo