Added #ifdef to allow regression against system lib.

[pdclib] / functions / string / strcpy.c

diff --git a/functions/string/strcpy.c b/functions/string/strcpy.c
index 1cc1c8e9eedfbec677d2008949211770da261d71..8d55b67f808eed138e7b2bbc3eb25d9b6573f655 100644 (file)
--- a/functions/string/strcpy.c
+++ b/functions/string/strcpy.c
@@ -1,8 +1,41 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-char * strcpy( char * restrict s1, const char * restrict s2 ) { /* TODO */ };
+/* $Id$ */
+
+/* Release $Name$ */
+
+/* strcpy( 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.
+*/
+
+#include <_PDCLIB_aux.h>
+#include <string.h>
+
+#ifndef REGTEST
+
+char * strcpy( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
+{
+    char * rc = s1;
+    while ( ( *s1++ = *s2++ ) );
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    char s[] = "xxxxx";
+    BEGIN_TESTS;
+    TESTCASE( strcpy( s, "" ) == s );
+    TESTCASE( s[0] == '\0' );
+    TESTCASE( s[1] == 'x' );
+    TESTCASE( strcpy( s, abcde ) == s );
+    TESTCASE( s[0] == 'a' );
+    TESTCASE( s[4] == 'e' );
+    TESTCASE( s[5] == '\0' );
+    return TEST_RESULTS;
+}
+#endif