src/search/tdestroy.c

   1 #define _GNU_SOURCE
   2 #include <stdlib.h>
   3 #include <search.h>
   4
   5 struct node {
   6         void *key;
   7         struct node *left;
   8         struct node *right;
   9 };
  10
  11 void tdestroy(void *root, void (*freekey)(void *))
  12 {
  13         struct node *r = root;
  14
  15         if (r == 0)
  16                 return;
  17         tdestroy(r->left, freekey);
  18         tdestroy(r->right, freekey);
  19         if (freekey) freekey(r->key);
  20         free(r);
  21 }