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library/boundscheck.c

@@ -0,0 +1,23 @@
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int BoundsError(int d){
+    printf("You are trying to access memory that isn't yours.\n");
+    exit(1);
+}
+
+void BoundsCheck(int argc, void * start, ...){
+    va_list argptr;
+    va_start(argptr, start);
+    int index = 0;
+    while (argc){
+        argc--;
+        index = va_arg(argptr, int);
+        if(index > *(int*)start){
+            BoundsError(index);
+        }
+        start += sizeof(int);
+    }
+    va_end(argptr);
+}