lib/ansi/strxfrm.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 size_t
  10 strxfrm(register char *s1, register const char *save, register size_t n)
  11 {
  12         register const char *s2 = save;
  13
  14         while (*s2) {
  15                 if (n > 1) {
  16                         n--;
  17                         *s1++ = *s2++;
  18                 } else
  19                         s2++;
  20         }
  21         if (n > 0)
  22                 *s1++ = '\0';
  23         return s2 - save;
  24 }