4.3BSD - /usr/src/new/spms/src/lib/libslist/src/slsplice.c

   1: /* $Header$ */
   2: 
   3: /*
   4:  * Author: Peter J. Nicklin
   5:  */
   6: #include "slist.h"
   7: 
   8: /*
   9:  * slsplice() splices slist2 to the tail of slist1.
  10:  */
  11: void
  12: slsplice(slist1, slist2)
  13:     SLIST *slist1;          /* receiving list */
  14:     SLIST *slist2;          /* list to be spliced */
  15: {
  16:     if (SLNUM(slist2) > 0)
  17:         if (SLNUM(slist1) == 0)
  18:             {
  19:             SLNUM(slist1) = SLNUM(slist2);
  20:             slist1->head = slist2->head;
  21:             slist1->tail = slist2->tail;
  22:             }
  23:         else    {
  24:             SLNUM(slist1) += SLNUM(slist2);
  25:             slist1->tail->next = slist2->head;
  26:             slist1->tail = slist2->tail;
  27:             }
  28: }

Defined functions