com32/lib/memswap.c

   1 /*
   2  * memswap()
   3  *
   4  * Swaps the contents of two nonoverlapping memory areas.
   5  * This really could be done faster...
   6  */
   7
   8 #include <string.h>
   9
  10 void memswap(void *m1, void *m2, size_t n)
  11 {
  12     char *p = m1;
  13     char *q = m2;
  14     char tmp;
  15
  16     while (n--) {
  17         tmp = *p;
  18         *p = *q;
  19         *q = tmp;
  20
  21         p++;
  22         q++;
  23     }
  24 }