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Author: Dr. Werner Fink <werner@suse.de>
---
texk/web2c/luatexdir/luaffi/ctype.c | 4 ++++
texk/web2c/luatexdir/luaffi/ffi.h | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
--- texk/web2c/luatexdir/luaffi/ctype.c
+++ texk/web2c/luatexdir/luaffi/ctype.c 2017-05-31 13:08:25.421741873 +0000
@@ -245,6 +245,10 @@ void* to_cdata(lua_State* L, int idx, st
lua_pop(L, 1); /* mt */
cd = (struct cdata*) lua_touserdata(L, idx);
+ if (!cd) {
+ lua_pushnil(L);
+ return NULL;
+ }
*ct = cd->type;
lua_getuservalue(L, idx);
--- texk/web2c/luatexdir/luaffi/ffi.h
+++ texk/web2c/luatexdir/luaffi/ffi.h 2017-06-01 09:12:45.128442092 +0000
@@ -370,7 +370,7 @@ __declspec(align(16))
#endif
struct cdata {
const struct ctype type
-#ifdef __GNUC__
+#if 0 /* def __GNUC__ */
__attribute__ ((aligned(16)))
#endif
;
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