osdep/strl.c

   1 /* strl(cat|cpy) implementation for systems that do not have it in libc */
   2 /* strl.c - strlcpy/strlcat implementation
   3  * Time-stamp: <2004-03-14 njk>
   4  * (C) 2003-2004 Nicholas J. Kain <njk@aerifal.cx>
   5  */
   6
   7 #include "config.h"
   8
   9 #ifndef HAVE_STRLCPY
  10 unsigned int strlcpy (char *dest, const char *src, unsigned int size)
  11 {
  12         register unsigned int i = 0;
  13
  14         if (size > 0) {
  15         size--;
  16         for (i=0; size > 0 && src[i] != '\0'; ++i, size--)
  17                 dest[i] = src[i];
  18
  19         dest[i] = '\0';
  20         }
  21         while (src[i++]);
  22
  23         return i;
  24 }
  25 #endif
  26
  27 #ifndef HAVE_STRLCAT
  28 unsigned int strlcat (char *dest, const char *src, unsigned int size)
  29 {
  30         register char *d = dest;
  31
  32         for (; size > 0 && *d != '\0'; size--, d++);
  33         return (d - dest) + strlcpy(d, src, size);
  34 }
  35 #endif
  36