On 05/15/12 03:26 AM, Peter Hutterer wrote:
> Helper functions to avoid things like
>
> if (foo) {
> BUG_WARN(foo);
> return 1;
> }
>
> Signed-off-by: Peter Hutterer <[email protected]>
> ---
> include/misc.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/include/misc.h b/include/misc.h
> index 41c1333..fea74b8 100644
> --- a/include/misc.h
> +++ b/include/misc.h
> @@ -381,4 +381,16 @@ extern _X_EXPORT unsigned long serverGeneration;
>
> #define BUG_WARN(cond) __BUG_WARN_MSG(cond, 0, NULL)
>
> +#define BUG_RETURN(cond) \
> + do { if (cond) { __BUG_WARN_MSG(cond, 0, NULL); return; } } while(0)
> +
> +#define BUG_RETURN_MSG(cond, ...) \
> + do { if (cond) { __BUG_WARN_MSG(cond, 1, __VA_ARGS__); return; } }
> while(0)
> +
> +#define BUG_RETURN_VAL(cond, val) \
> + do { if (cond) { __BUG_WARN_MSG(cond, 0, NULL); return (val); } }
> while(0)
> +
> +#define BUG_RETURN_VAL_MSG(cond, val, ...) \
> + do { if (cond) { __BUG_WARN_MSG(cond, 1, __VA_ARGS__); return (val);
> } } while(0)
> +
> #endif /* MISC_H */
Reviewed-by: Alan Coopersmith <[email protected]>
--
-Alan Coopersmith- [email protected]
Oracle Solaris Engineering - http://blogs.oracle.com/alanc
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