[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>
#ifdef __STDC__
#include <stddef.h>
#else
#define size_t unsigned long
#endif

PTR
DEFUN(memset, (dest, val, len),
      PTR dest AND register int val AND register size_t len)
{
  register unsigned char *ptr = (unsigned char*)dest;
  while (len-- > 0)
    *ptr++ = val;
  return dest;
}
Commit	Line	Data
6599da04 JM	1	/* memset
	2	This implementation is in the public domain. */
	3
aaa5f039 DD	4	/*
	5
	6	@deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, size_t @var{count})
	7
	8	Sets the first @var{count} bytes of @var{s} to the constant byte
	9	@var{c}, returning a pointer to @var{s}.
	10
	11	@end deftypefn
	12
	13	*/
	14
6599da04 JM	15	#include <ansidecl.h>
	16	#ifdef __STDC__
	17	#include <stddef.h>
	18	#else
	19	#define size_t unsigned long
	20	#endif
	21
	22	PTR
	23	DEFUN(memset, (dest, val, len),
	24	PTR dest AND register int val AND register size_t len)
	25	{
	26	register unsigned char ptr = (unsigned char)dest;
	27	while (len-- > 0)
	28	*ptr++ = val;
	29	return dest;
	30	}