Pass pointers to yx_uint16 structs to yx_uint16_cmp() instead of structs themselves.

[plomrogue] / src / yx_uint16.h

diff --git a/src/yx_uint16.h b/src/yx_uint16.h
index 2a5b3ac4095c0d0ce7beadf8777a88cf5a79da2b..e5249b0ab3ca4e69685fc7a845209fb963af9760 100644 (file)
--- a/src/yx_uint16.h
+++ b/src/yx_uint16.h
@@ -29,8 +29,8 @@ enum dir
     WEST
 };
 
-/* Return 1 if two yx_uint16 coordinates a and b are equal, else 0. */
-extern uint8_t yx_uint16_cmp(struct yx_uint16 a, struct yx_uint16 b);
+/* Return 1 if two yx_uint16 coordinates at "a" and "b" are equal, else 0. */
+extern uint8_t yx_uint16_cmp(struct yx_uint16 * a, struct yx_uint16 * b);
 
 /* Return yx_uint16 coordinate one step from coordinate yx in direction dir. */
 extern struct yx_uint16 mv_yx_in_dir(enum dir d, struct yx_uint16 yx);