X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrlen.c;h=c9ac46568e17a30d15ab84efded6320f36459a4f;hb=b08f4b52b1cd1f7a9553c0f357a7c90859fa3e73;hp=ec0c21e7134a8c96edbac8b28d353c2592b1abdf;hpb=19b4cc9a30c2ede7a0cd6c417b5f26851376b708;p=pdclib

diff --git a/functions/string/strlen.c b/functions/string/strlen.c
index ec0c21e..c9ac465 100644
--- a/functions/string/strlen.c
+++ b/functions/string/strlen.c
@@ -1,18 +1,34 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* $Id$ */
 
-#include <__size_t.h>
+/* strlen( const char * )
 
-size_t strlen( const char * src )
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <string.h>
+
+#ifndef REGTEST
+
+size_t strlen( const char * s )
 {
-    size_t len = 0;
-    while ( src[len] != '\0' )
+    size_t rc = 0;
+    while ( s[rc] )
     {
-        ++len;
+        ++rc;
     }
-    return len;
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE( strlen( abcde ) == 5 );
+    TESTCASE( strlen( "" ) == 0 );
+    return TEST_RESULTS;
 }
+#endif