git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4106 4a8a32a2...

[fw/sdcc] / device / lib / _strncpy.c

diff --git a/device/lib/_strncpy.c b/device/lib/_strncpy.c
index 1fe12f6f9998f7e37f8ce43ec3e6735aef7eab62..505379eb4754206a2ae2d27ed131b9301fcd7bd1 100644 (file)
--- a/device/lib/_strncpy.c
+++ b/device/lib/_strncpy.c
@@ -7,31 +7,37 @@
    under the terms of the GNU Library General Public License as published by the
    Free Software Foundation; either version 2, or (at your option) any
    later version.
-   
+
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Library General Public License for more details.
-   
+
    You should have received a copy of the GNU Library General Public License
    along with this program; if not, write to the Free Software
    Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-   
+
    In other words, you are welcome to use, share and improve this program.
    You are forbidden to forbid anyone else to use, share and improve
-   what you give them.   Help stamp out software-hoarding!  
+   what you give them.   Help stamp out software-hoarding!
 -------------------------------------------------------------------------*/
-#include "string.h" 
-#define NULL (void *)0
+#include "string.h"
 
 char *strncpy (
        char * d,
        char * s,
-       int n ) 
+       size_t n )
 {
        register char * d1 =  d;
 
-       while ( n-- )
+       while ( n && *s )
+       {
+               n-- ;
                *d++ = *s++ ;
+       }
+       while ( n-- )
+       {
+               *d++ = '\0' ;
+       }
        return d1;
 }