aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/sys.h
diff options
context:
space:
mode:
authorSverker Eriksson <[email protected]>2016-01-22 20:12:40 +0100
committerSverker Eriksson <[email protected]>2016-05-04 19:53:36 +0200
commit03afaae12811632cf975586728826af14a634ad1 (patch)
treeaf8a910f19682f3460eefa08a4cb4e9d9d746622 /erts/emulator/beam/sys.h
parente75fdd38b04896fa6a1ac7b2fdea18ef485c70b3 (diff)
downloadotp-03afaae12811632cf975586728826af14a634ad1.tar.gz
otp-03afaae12811632cf975586728826af14a634ad1.tar.bz2
otp-03afaae12811632cf975586728826af14a634ad1.zip
erts: Beautify some code with container_of macro
Diffstat (limited to 'erts/emulator/beam/sys.h')
-rw-r--r--erts/emulator/beam/sys.h3
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