Re-import from Subversion.

[pdclib] / functions / string / strncat.c

diff --git a/functions/string/strncat.c b/functions/string/strncat.c
index 1bc202398636595fb72da31940acc6c4d47bdd88..4a819919e1b969e3aa3283abba399ab28f4404f4 100644 (file)
--- a/functions/string/strncat.c
+++ b/functions/string/strncat.c
@@ -1,26 +1,22 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// 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 * strncat( char * restrict s1, const char * restrict s2, size_t n ) { /* TODO */ };
+#include <__size_t.h>
 
-/* PDPC code - unreviewed
+char * strncat( char * restrict dest, const char * restrict src, size_t n )
 {
-    char *p = s1;
-    size_t x = 0;
-    
-    while (*p != '\0') p++;
-    while ((*s2 != '\0') && (x < n))
+    char * tmp = dest;
+    while ( *dest != '\0' )
     {
-        *p = *s2;
-        p++;
-        s2++;
-        x++;
+        ++dest;
     }
-    *p = '\0';
-    return (s1);
+    while ( ( n-- > 0 ) && ( *src != '\0' ) )
+    {
+        *dest++ = *src++;
+    }
+    return tmp;
 }
-*/