lib/ansi/strncat.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 strncat(char *ret, register const char *s2, size_t n)
  11 {
  12         register char *s1 = ret;
  13
  14         if (n > 0) {
  15                 while (*s1++)
  16                         /* EMPTY */ ;
  17                 s1--;
  18                 while (*s1++ = *s2++)  {
  19                         if (--n > 0) continue;
  20                         *s1 = '\0';
  21                         break;
  22                 }
  23                 return ret;
  24         } else return s1;
  25 }