Fix INSTR

2016-12-20 21:40:11 +09:00
parent a2aa152d5f
commit 4cf742902d
1 changed files with 5 additions and 1 deletions
--- a/SMILEBASIC/builtinfunctions.d
+++ b/SMILEBASIC/builtinfunctions.d
@@ -1228,7 +1228,11 @@ class BuiltinFunction
            str1 = vstart.castDString;
            str2 = vstr1.castDString;
        }
-        return cast(int)(str1[start..$].indexOf(str2, CaseSensitive.no));
+        ptrdiff_t index = str1[start..$].indexOf(str2);
+        if (index == -1)
+            return -1;
+        else
+            return cast(int)(index + start);
    }
    static int ASC(wstring str)
    {