On Sun, Jan 12, 2014 at 10:34:19AM -0800, Keith Packard wrote:
> the drmServerInfo member, debug_print, takes a printf format string
> and varargs list. Tell the compiler about it.
>
> Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
> ---
> xf86drm.h | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/xf86drm.h b/xf86drm.h
> index 1e763a3..5e170f8 100644
> --- a/xf86drm.h
> +++ b/xf86drm.h
> @@ -92,8 +92,14 @@ extern "C" {
> typedef unsigned int drmSize, *drmSizePtr; /**< For mapped regions */
> typedef void *drmAddress, **drmAddressPtr; /**< For mapped regions */
>
> +#if (__GNUC__ >= 3)
> +#define DRM_PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
> +#else
> +#define DRM_PRINTFLIKE(f, a)
> +#endif
> +
> typedef struct _drmServerInfo {
> - int (*debug_print)(const char *format, va_list ap);
> + int (*debug_print)(const char *format, va_list ap) DRM_PRINTFLIKE(1,0);
> int (*load_module)(const char *name);
> void (*get_perms)(gid_t *, mode_t *);
> } drmServerInfo, *drmServerInfoPtr;
While at it, perhaps the drmMsg() and drmDebugPrint() functions should
be similarily annotated as well?
Thierry
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