Memory leaks

[Enrico Fracasso <fracassoe yahoo com>]

I'm doing my first step writing gtk applications, but I don't know when I must
free (or g_free) pointers.
For instance, if you read this pice of code that inizialize a very simple
ctree with the application current working directory:


void initialize_tree(){
  /* initialize main tree widget */

  GtkCTreeNode *node;
  char **temp;
  const char delimiters[] = "/";
  char *token, *free_cwd,*cwd;

  while(1){
    /* while(1): testing only*/
    cwd=getcwd(NULL,0);
    if(!cwd)exit(-1); 	/* FIX: controlla meglio l'errore*/

    free_cwd=cwd;
    token = strtok (cwd, delimiters);     
    temp=&token;
    node=gtk_ctree_insert_node(GTK_CTREE(ctree),NULL,NULL,temp,0,NULL,NULL,NULL,NULL,FALSE,TRUE);
    while(token){
      printf("%s \n",token);
      token = strtok (NULL, delimiters); 
      temp=&token;
      node=gtk_ctree_insert_node(GTK_CTREE(ctree),node,NULL,temp,0,NULL,NULL,NULL,NULL,FALSE,TRUE);

    };
    free(free_cwd);
    gtk_ctree_remove_node(GTK_CTREE(ctree),NULL);
    }
}

if i run it the memory used by the process increases (checked with top)
if I remove the gtk_ctree_insert_node(...) and gtk_ctree_remove_node(...) lines the 
memory remain constant.
According to you, where's the problem?

Thanks


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