shithub: libmujs

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Add paranoid asserts to check js_Value struct layout and alignment.

--- a/jsstate.c

+++ b/jsstate.c

@@ -5,6 +5,8 @@

 #include "jsrun.h"

 #include "jsbuiltin.h"

+#include <assert.h>

+

 static void *js_defaultalloc(void *actx, void *ptr, unsigned int size)

 {

 	if (size == 0) {

@@ -176,6 +178,9 @@

 js_State *js_newstate(js_Alloc alloc, void *actx)

 {

 	js_State *J;

+

+	assert(sizeof(js_Value) == 16);

+	assert(offsetof(js_Value, type) == 15);

 	if (!alloc)

 		alloc = js_defaultalloc;