LUA: Change IntPoint() to work warning-less (hopefully) everywhere

lousyphreak · Apr 20, 2011 · 8b925cd · 8b925cd
1 parent 6aabfca
commit 8b925cd
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Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/lua/README.eos b/lua/README.eos
@@ -5,5 +5,7 @@ Changes:
 ========
 
 - Silenced a compiler warning (unused value) in liolib.c
-- Increase the size of lu_hash, so it won't make any problem on 64bit
+- Increased the size of lu_hash, so it won't make any problem on 64bit
   systems
+- Changed the definition of IntPoint() to work warning-less on systems
+  where sizeof(void *) < sizeof(lu_hash)
diff --git a/lua/llimits.h b/lua/llimits.h
@@ -7,6 +7,20 @@
 #ifndef llimits_h
 #define llimits_h
 
+#ifdef HAVE_CONFIG_H
+	#include "config.h"
+	#undef VERSION
+#endif
+
+#ifdef HAVE_STDINT_H
+	#include <stdint.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+	#include <inttypes.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+	#include <sys/types.h>
+#endif
 
 #include <limits.h>
 #include <stddef.h>
@@ -69,7 +83,7 @@ typedef unsigned char lu_byte;
 ** this is for hashing only; there is no problem if the integer
 ** cannot hold the whole pointer value
 */
-#define IntPoint(p)  ((lu_hash)(p))
+#define IntPoint(p)  ((lu_hash)(uintptr_t)(p))