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;
  13
  14         for (i=0; size > 0 && src[i] != '\0'; ++i, size--)
  15                 dest[i] = src[i];
  16
  17         dest[i] = '\0';
  18
  19         return i;
  20 }
  21 #endif
  22
  23 #ifndef HAVE_STRLCAT
  24 unsigned int strlcat (char *dest, const char *src, unsigned int size)
  25 {
  26 #if 0
  27         register unsigned int i, j;
  28
  29         for(i=0; size > 0 && dest[i] != '\0'; size--, i++);
  30         for(j=0; size > 0 && src[j] != '\0'; size--, i++, j++)
  31                 dest[i] = src[j];
  32
  33         dest[i] = '\0';
  34         return i;
  35 #else
  36         register char *d = dest;
  37         register const char *s = src;
  38
  39         for (; size > 0 && *d != '\0'; size--, d++);
  40         for (; size > 0 && *s != '\0'; size--, d++, s++)
  41                 *d = *s;
  42
  43         *d = '\0';
  44         return (d - dest) + (s - src);
  45 #endif
  46 }
  47 #endif
  48