X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcat.c;h=eab90c15b212a187bad807a59d9735fbdc0fa132;hb=c8f799d852e3698468a78954d82588e841cc0b70;hp=a0cef0e04267c24607c14e48394f7cadbcb036e7;hpb=e5456e3c2697c4e17fc9aa3439f2e305517b4d96;p=pdclib.old

diff --git a/functions/string/strcat.c b/functions/string/strcat.c
index a0cef0e..eab90c1 100644
--- a/functions/string/strcat.c
+++ b/functions/string/strcat.c
@@ -1,36 +1,23 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* ----------------------------------------------------------------------------
+ * $Id$
+ * ----------------------------------------------------------------------------
+ * Public Domain C Library - http://pdclib.sourceforge.net
+ * This code is Public Domain. Use, modify, and redistribute at will.
+ * --------------------------------------------------------------------------*/
 
-char * strcat( char * restrict s1, const char * restrict s2 ) { /* TODO */ };
-
-/* Therx code
+char * strcat( char * restrict dest, const char * restrict src )
 {
-    while (*s1)
-    {
-        s1++;
-    }
-    while (*s1++ = *s2++)
+    char * dest_p = dest;
+    if ( *dest_p != '\0' )
     {
-        // EMPTY
+        while ( *++dest_p != '\0' )
+        {
+            /* EMPTY */
+        }
     }
-    return s1;
-}
-*/
-
-/* PDPC code - unreviewed
-{
-    char *p = s1;
-    
-    while (*p != '\0') p++;
-    while ((*p = *s2) != '\0')
+    while ( (*dest_p++ = *src++) != '\0' )
     {
-        p++;
-        s2++;
+        /* EMPTY */
     }
-    return (s1);
+    return dest;
 }
-*/