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-rw-r--r--src/internal/slibtool_driver_impl.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/internal/slibtool_driver_impl.h b/src/internal/slibtool_driver_impl.h
index f79f9e3..19549ad 100644
--- a/src/internal/slibtool_driver_impl.h
+++ b/src/internal/slibtool_driver_impl.h
@@ -84,4 +84,16 @@ struct slbt_unit_ctx_impl {
struct slbt_unit_ctx uctx;
};
+static inline struct slbt_driver_ctx_impl * slbt_get_driver_ictx(const struct slbt_driver_ctx * dctx)
+{
+ uintptr_t addr;
+
+ if (dctx) {
+ addr = (uintptr_t)dctx - offsetof(struct slbt_driver_ctx_impl,ctx);
+ return (struct slbt_driver_ctx_impl *)addr;
+ }
+
+ return 0;
+}
+
#endif