From 2c7a1617079024d4844a8872c845c9b109a76025 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 26 Oct 2016 18:53:23 -0400
Subject: driver: internals: added the static inlined amgc_get_driver_ictx()
helper.
---
src/internal/apimagic_driver_impl.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
(limited to 'src/internal')
diff --git a/src/internal/apimagic_driver_impl.h b/src/internal/apimagic_driver_impl.h
index 2e42ce4..6d5ce02 100644
--- a/src/internal/apimagic_driver_impl.h
+++ b/src/internal/apimagic_driver_impl.h
@@ -50,4 +50,18 @@ struct amgc_unit_ctx_impl {
struct compilation_unit_t ccunit;
};
+
+static inline struct amgc_driver_ctx_impl * amgc_get_driver_ictx(
+ const struct amgc_driver_ctx * dctx)
+{
+ uintptr_t addr;
+
+ if (dctx) {
+ addr = (uintptr_t)dctx - offsetof(struct amgc_driver_ctx_impl,ctx);
+ return (struct amgc_driver_ctx_impl *)addr;
+ }
+
+ return 0;
+}
+
#endif
--
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