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authorVito Caputo <vcaputo@gnugeneration.com>2017-01-18 19:12:41 -0800
committerGitHub <noreply@github.com>2017-01-18 19:12:41 -0800
commit467137113c8b3d6bcb73ecff8c76f23793f25cb7 (patch)
treeecf3064d6587ec875d5c021d46d44855dc814212 /src/modules/sparkler/container.h
parentee2073d4e411555aba878277131b56f7eb562c84 (diff)
parent404a356b2b22a134aea151145d1baabf253ee491 (diff)
Merge build system cleanups
- Move source to src/ subdir - Use $(top_srcdir)/src instead of ../../
Diffstat (limited to 'src/modules/sparkler/container.h')
-rw-r--r--src/modules/sparkler/container.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/modules/sparkler/container.h b/src/modules/sparkler/container.h
new file mode 100644
index 0000000..a3779e8
--- /dev/null
+++ b/src/modules/sparkler/container.h
@@ -0,0 +1,11 @@
+#ifndef _CONTAINER_H
+#define _CONTAINER_H
+
+#include <stddef.h>
+
+#ifndef container_of
+#define container_of(_ptr, _type, _member) \
+ (_type *)((void *)(_ptr) - offsetof(_type, _member))
+#endif
+
+#endif
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