Re: [PATCH 3/7] tracing: use generic __stringify

[Frédéric Weisbecker]

2009/3/10 Peter Zijlstra <peterz@xxxxxxxxxxxxx>:
> On Tue, 2009-03-10 at 11:56 +0100, Frederic Weisbecker wrote:
>> On Tue, Mar 10, 2009 at 12:57:13AM -0400, Steven Rostedt wrote:
>
>> > This removes the custom made STR(x) macros in the tracer and uses
>> > the generic __stringify macro instead.
>
>> Why not simply use the # ?
>
>> > -#define __STR(x) #x
>> > -#define STR(x) __STR(x)
>
> #include <stdio.h>
>
> #define FOO bar
>
> #define __STR(x) #x
> #define STR(x) __STR(x)
>
> void main(void)
> {
>        printf("%s %s\n", __STR(FOO), STR(FOO));
> }
>
> $ gcc -o str str.c; ./str
> str.c: In function ‘main’:
> str.c:9: warning: return type of ‘main’ is not ‘int’
> FOO bar


Thank you both for the explanation.
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