diff options
Diffstat (limited to 'erts/emulator/beam/sys.h')
| -rw-r--r-- | erts/emulator/beam/sys.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 748fba15c7..dda3ba565c 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -92,6 +92,9 @@ #define ErtsInArea(ptr,start,nbytes) \ ((UWord)((char*)(ptr) - (char*)(start)) < (nbytes)) +#define ErtsContainerStruct(ptr, type, member) \ + (type *)((char *)(1 ? (ptr) : &((type *)0)->member) - offsetof(type, member)) + #if defined (__WIN32__) # include "erl_win_sys.h" #else |