[thirdparty/gcc.git] / libgcc / memmove.c

/* Public domain.  */
#include <stddef.h>

void *
memmove (void *dest, const void *src, size_t len)
{
  char *d = dest;
  const char *s = src;
  if (d < s)
    while (len--)
      *d++ = *s++;
  else
    {
      char *lasts = s + (len-1);
      char *lastd = d + (len-1);
      while (len--)
        *lastd-- = *lasts--;
    }
  return dest;
}
Commit	Line	Data
f896c932	1	/* Public domain. */
	2	#include <stddef.h>
	3
	4	void *
	5	memmove (void dest, const void src, size_t len)
	6	{
	7	char *d = dest;
	8	const char *s = src;
	9	if (d < s)
	10	while (len--)
	11	d++ = s++;
	12	else
	13	{
	14	char *lasts = s + (len-1);
	15	char *lastd = d + (len-1);
	16	while (len--)
	17	lastd-- = lasts--;
	18	}
	19	return dest;
	20	}