Re: [alsa-devel] [PATCH v2 3/3] topology: A API calls to directly build topology data from templates

11 Aug 2015


      On Tue, 11 Aug 2015 10:04:48 +0200,
Liam Girdwood wrote:
...
On Tue, 2015-08-11 at 09:57 +0200, Takashi Iwai wrote:
...
...
@@ -34,6 +34,10 @@
 #define ALSA_TPLG_DIR        ALSA_CONFIG_DIR "/topology"
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+#define container_of(ptr, type, member) ({                      \

 const typeof( ((type *)0)->member ) *__mptr = (ptr);    \


(type *)( (char *)__mptr - offsetof(type,member) );})



This is a pretty common macro, so I prefer having it in
include/local.h.
I'll also move ARRAY_SIZE() to local.h too since it's common.
Sounds reasonable.
thanks,
Takashi

    