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++; q++;
  22   }
  23 }