-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-size_t strxfrm( char * restrict s1, const char * restrict s2, size_t n ) { /* TODO */ };
+/* $Id$ */
+
+/* Release $Name$ */
+
+/* strxfrm( char *, const char *, size_t )
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <_PDCLIB_aux.h>
+#include <string.h>
+
+/* TODO: Dummy function, no locale support yet. */
+
+size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, size_t n )
+{
+ size_t len = strlen( s2 );
+ if ( len < n )
+ {
+ /* Cannot use strncpy() here as the filling of s1 with '\0' is not part
+ of the spec.
+ */
+ while ( n-- && ( *s1++ = *s2++ ) );
+ }
+ return len;
+}
+
+#warning Test driver missing.
+
+#ifdef TEST
+int main()
+{
+ return 0;
+}
+#endif