[Haifux] pop(queue) fails

[Sorana Fraier]

Nice attempt Orr. ;-)

On Sat, Oct 25, 2008 at 5:01 PM, Orr Dunkelman <orr.dunkelman at gmail.com>wrote:

> hi guys,
>
> I have some issues with the following code, help would be appreciated.
>
> #include <stdio.h>
>
> struct Lecture {
>   char Lecturer[80];
>   char Topic[160];
>   char Date[30];
> } lecture-str;
>
> struct Node {
>   lecture-str data;
>   Node *next, *prev;
> } node-str;
>
> struct Queue {
>   Node First;
>   int size;
> } Queue-str;
>
> /* standard stuff */
>
> int pop (Queue-str Haifux)
> {
>   Node ptr*;
>   if (Haifux->size == 0) { printf ("No lecture in queue\n"); return -1;
>
>   print_node (Haifux->First);
>   ptr=Haifux->First;
>   Haifux->First = Hiafux->First.next;
>   free (ptr);
>
>   size --;
>   if (size)   Haifux->First.prev=NULL;
> }
>
> =====================================================================
>
> Well, the code failed with the error message
>
>   No lecture in queue
>
> Help, somebody?
>
> --
> Orr Dunkelman,
> Orr.Dunkelman at gmail.com
>
> "a scientific man ought to have no wishes, no affections, -- a mere
> heart of stone" - Charles Darwin.
>
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