Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

file 31 lines (25 sloc) 0.694 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
/* bcopy -- copy memory regions of arbitary length

@deftypefn Supplemental void bcopy (char *@var{in}, char *@var{out}, int @var{length})

Copies @var{length} bytes from memory region @var{in} to region
@var{out}. The use of @code{bcopy} is deprecated in new programs.

@end deftypefn

*/

#include <stddef.h>

void
bcopy (const void *src, void *dest, size_t len)
{
  if (dest < src)
    {
      const char *firsts = (const char *) src;
      char *firstd = (char *) dest;
      while (len--)
*firstd++ = *firsts++;
    }
  else
    {
      const char *lasts = (const char *)src + (len-1);
      char *lastd = (char *)dest + (len-1);
      while (len--)
        *lastd-- = *lasts--;
    }
}
Something went wrong with that request. Please try again.