lib/ansi/strncpy.c

   1 /*
   2  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
   3  * See the copyright notice in the ACK home directory, in the file "Copyright".
   4  */
   5 /* $Header$ */
   6
   7 #include        <string.h>
   8
   9 char *
  10 strncpy(char *ret, register const char *s2, register size_t n)
  11 {
  12         register char *s1 = ret;
  13
  14         if (n>0) {
  15                 while((*s1++ = *s2++) && --n > 0)
  16                         /* EMPTY */ ;
  17                 if ((*--s2 == '\0') && --n > 0) {
  18                         do {
  19                                 *s1++ = '\0';
  20                         } while(--n > 0);
  21                 }
  22         }
  23         return ret;
  24 }