X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcat.c;h=f6a7d15f2246c456ef534a4d7850f3a8e62fd534;hb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;hp=a0cef0e04267c24607c14e48394f7cadbcb036e7;hpb=0a5395faab237ba9008352b0f4bee9659bbd3d5f;p=pdclib

diff --git a/functions/string/strcat.c b/functions/string/strcat.c
index a0cef0e..f6a7d15 100644
--- a/functions/string/strcat.c
+++ b/functions/string/strcat.c
@@ -1,36 +1,24 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* $Id$ */
 
-char * strcat( char * restrict s1, const char * restrict s2 ) { /* TODO */ };
+/* Release $Name$ */
 
-/* Therx code
-{
-    while (*s1)
-    {
-        s1++;
-    }
-    while (*s1++ = *s2++)
-    {
-        // EMPTY
-    }
-    return s1;
-}
+/* strcat( 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.
 */
 
-/* PDPC code - unreviewed
+#include <_PDCLIB_aux.h>
+
+char * strcat( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
 {
-    char *p = s1;
-    
-    while (*p != '\0') p++;
-    while ((*p = *s2) != '\0')
+    char * rc = s1;
+    if ( *s1 )
     {
-        p++;
-        s2++;
+        while ( *++s1 );
     }
-    return (s1);
+    while ( (*s1++ = *s2++) );
+    return rc;
 }
-*/
+
+#warning Test driver missing.