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| author | Wolfgang Denk <wd@denx.de> | 2008-06-05 01:12:30 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-06-05 01:12:30 +0200 |
| commit | 8155efbd7ae9c65564ca98affe94631d612ae088 (patch) | |
| tree | 23f89ba651f48bf88c653796cb64f2c58d2f0515 /include/common.h | |
| parent | 5e1882df6a3efc7de5524d28cea4ecde7d163d54 (diff) | |
| parent | 9ef1cbef1a649e3779298b0e663be4865cbbbfbc (diff) | |
| download | u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.zip u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.tar.gz u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.tar.bz2 | |
Merge branch 'master' of ssh://mercury/home/wd/git/u-boot/master
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index d0f5704..26e1b46 100644 --- a/include/common.h +++ b/include/common.h @@ -176,6 +176,17 @@ typedef void (interrupt_handler_t)(void *); (__x > __y) ? __x : __y; }) +/** + * container_of - cast a member of a structure out to the containing structure + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + * + */ +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + /* * Function Prototypes */ |