[thirdparty/gcc.git] / libiberty / memset.c

/* memset
   This implementation is in the public domain.  */

/*

@deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, @
  size_t @var{count})

Sets the first @var{count} bytes of @var{s} to the constant byte
@var{c}, returning a pointer to @var{s}.

@end deftypefn

*/

#include <ansidecl.h>
#include <stddef.h>

void *
memset (void *dest, register int val, register size_t len)
{
  register unsigned char *ptr = (unsigned char*)dest;
  while (len-- > 0)
    *ptr++ = val;
  return dest;
}
Commit	Line	Data
	1	/* memset
	2	This implementation is in the public domain. */
	3
	4	/*
	5
	6	@deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, @
	7	size_t @var{count})
	8
	9	Sets the first @var{count} bytes of @var{s} to the constant byte
	10	@var{c}, returning a pointer to @var{s}.
	11
	12	@end deftypefn
	13
	14	*/
	15
	16	#include <ansidecl.h>
	17	#include <stddef.h>
	18
	19	void *
	20	memset (void *dest, register int val, register size_t len)
	21	{
	22	register unsigned char ptr = (unsigned char)dest;
	23	while (len-- > 0)
	24	*ptr++ = val;
	25	return dest;
	26	}