/usr/include/emu/emu_queue.h is in libemu-dev 0.2.0+git20120122-1.2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* libemu
*
* - x86 shellcode emulation -
*
*
* Copyright (C) 2007 Paul Baecher & Markus Koetter
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* contact nepenthesdev@users.sourceforge.net
*
*******************************************************************************/
#ifndef HAVE_EMU_QUEUE_H
#define HAVE_EMU_QUEUE_H
struct emu_queue_item
{
struct emu_queue_item *next;
void *data;
};
struct emu_queue_item *emu_queue_item_new(void);
void emu_queue_item_free(struct emu_queue_item *eqi);
struct emu_queue
{
struct emu_queue_item *front;
struct emu_queue_item *back;
};
/**
* Create a new queue
*
* @return on success: pointer to the new queue
* on failure: NULL
*/
struct emu_queue *emu_queue_new(void);
void emu_queue_free(struct emu_queue *eq);
/**
* Retrieve the pointer to the first element
*
* @param eq the queue
*
* @return returns the pointer to the first element
*/
void *emu_queue_front(struct emu_queue *eq);
/**
* Enqueue data into the queue.
*
* @param eq the queue
* @param data the data to enqueue
*/
void emu_queue_enqueue(struct emu_queue *eq, void *data);
/**
* Dequeue the first element from the queue
*
* @param eq the queue
*
* @return pointer to the data of the first element
*/
void *emu_queue_dequeue(struct emu_queue *eq);
/**
* Check if the queue is empty
*
* @param eq the queue
*
* @return true if the queue is empty, else false
*/
bool emu_queue_empty(struct emu_queue *eq);
#endif
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