arch/m68knommu/lib/memset.c

   1 #include <linux/types.h>
   2
   3 void * memset(void * s, int c, size_t count)
   4 {
   5   void *xs = s;
   6   size_t temp;
   7
   8   if (!count)
   9     return xs;
  10   c &= 0xff;
  11   c |= c << 8;
  12   c |= c << 16;
  13   if ((long) s & 1)
  14     {
  15       char *cs = s;
  16       *cs++ = c;
  17       s = cs;
  18       count--;
  19     }
  20   if (count > 2 && (long) s & 2)
  21     {
  22       short *ss = s;
  23       *ss++ = c;
  24       s = ss;
  25       count -= 2;
  26     }
  27   temp = count >> 2;
  28   if (temp)
  29     {
  30       long *ls = s;
  31       for (; temp; temp--)
  32         *ls++ = c;
  33       s = ls;
  34     }
  35   if (count & 2)
  36     {
  37       short *ss = s;
  38       *ss++ = c;
  39       s = ss;
  40     }
  41   if (count & 1)
  42     {
  43       char *cs = s;
  44       *cs = c;
  45     }
  46   return xs;
  47 }