Add source.

1 files changed, 24 insertions, 0 deletions

diff --git a/sdk/other/strdiff.c b/sdk/other/strdiff.c
new file mode 100644
index 0000000..a0297f6
--- /dev/null
+++ b/sdk/other/strdiff.c
@@ -0,0 +1,24 @@
+/* 
+ * Often used to evaluate similarity of soundex codes.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <other/string.h>
+#include <std/math.h>
+
+int     strdiff(const char *s1, const char *s2)
+{
+        int     l1 = len(s1);
+        int     l2 = len(s2);
+        int     l = min(l1, l2);
+        int     dif = abs(l1 - l2);
+
+        while(l--)
+        {
+                if(*(s1++) != *(s2++))
+                        ++dif;
+        }
+        return dif;
+}