From 85cdbcd8fa2867b5e36dc1705fdb17ce4a2a558b Mon Sep 17 00:00:00 2001
From: Raúl Benencia <rul@kalgan.cc>
Date: Tue, 31 Mar 2015 15:14:32 -0300
Subject: change return value of coord_is_valid
---
lib/coordinate.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
(limited to 'lib')
diff --git a/lib/coordinate.c b/lib/coordinate.c
index f92c22a..26bbca5 100644
--- a/lib/coordinate.c
+++ b/lib/coordinate.c
@@ -4,19 +4,19 @@
#include "coordinate.h"
/*
- * Returns 0 if the coordinate is between a1 and h8.
+ * Returns 1 if the coordinate is between a1 and h8.
*/
int coord_is_valid(char *s) {
if (strnlen(s, 3) != 2)
- return 1;
+ return 0;
char col = tolower(s[0]);
char row = tolower(s[1]);
if (col >= 'a' && col <= 'h' && row >= '1' && row <= '8')
- return 0;
+ return 1;
- return 2;
+ return 0;
}
/*
--
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