S2.next = addtl;
/*
- * splice in addtl between S2 and S4 -- we place S4 at the end of the
- * input data chain
+ * Splice in addtl between S2 and S4 -- we place S4 at the end
+ * of the input data chain. As this code is only triggered when
+ * addtl is not NULL, no NULL checks are necessary.
*/
tempstr = addtl;
- for (; NULL != tempstr; tempstr = tempstr->next)
- if (NULL == tempstr->next)
- break;
+ while (tempstr->next)
+ tempstr = tempstr->next;
tempstr->next = &S4;
/* 10.4.2 step 9 */