Added dummy test drivers to each *.c file, and target 'test' to Makefile.

[pdclib] / functions / string / strcmp.c

diff --git a/functions/string/strcmp.c b/functions/string/strcmp.c
index 9906f49aa07b140883fc420c0c2dd1b91e50c285..f6a555b56de7d0076c425a472466e393bec43685 100644 (file)
--- a/functions/string/strcmp.c
+++ b/functions/string/strcmp.c
@@ -1,8 +1,28 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int strcmp( const char * s1, const char * s2 ) { /* TODO */ };
+/* $Id$ */
+
+/* Release $Name$ */
+
+/* strcmp( const char *, const char * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+int strcmp( const char * s1, const char * s2 )
+{
+    while ( ( *s1 ) && ( *s1 == *s2 ) )
+    {
+        ++s1;
+        ++s2;
+    }
+    return ( *s1 - *s2 );
+}
+
+#warning Test driver missing.
+
+#ifdef TEST
+int main()
+{
+    return 0;
+}
+#endif