better control of integer types and their limits

luamem.c

@@ -3,7 +3,7 @@
 ** TecCGraf - PUC-Rio
 */
 
-char *rcs_mem = "$Id: mem.c,v 1.1 1994/11/16 17:38:08 roberto Exp $";
+char *rcs_mem = "$Id: mem.c,v 1.2 1994/11/16 18:09:11 roberto Stab $";
 
 #include <stdlib.h>
 
@@ -19,7 +19,7 @@ void luaI_free (void *block)
 
 void *luaI_malloc (unsigned long size)
 {
-  void *block = malloc(size);
+  void *block = malloc((size_t)size);
   if (block == NULL)
     lua_error("not enough memory");
   return block;
@@ -28,7 +28,7 @@ void *luaI_malloc (unsigned long size)
 
 void *luaI_realloc (void *oldblock, unsigned long size)
 {
-  void *block = realloc(oldblock, size);
+  void *block = realloc(oldblock, (size_t)size);
   if (block == NULL)
     lua_error("not enough memory");
   return block;