m_osip_list.h

一个在linux下跟踪内存泄露的小程序,一般在linux下可以用 mtrace valgrind来做,但是在嵌入式上,由于内存的限制,mtrace valgrind都显得束手无策

/*
  The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
  Copyright (C) 2001,2002,2003,2004  Aymeric MOIZARD [e-mail]
  
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  
  This library 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
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _M_OSIP_LIST_H_
#define _M_OSIP_LIST_H_


/**
 * Structure for referencing a node in a osip_list_t element.
 * @var __node_t
 */


  typedef struct _m_node _m_node_t;

/**
 * Structure for referencing a node in a osip_list_t element.
 * @struct __node
 */
  struct _m_node
  {
    void *next;                 /**< next __node_t containing element */
    void *element;              /**< element in Current node */
  };


/**
 * Structure for referencing a list of elements.
 * @var osip_list_t
 */
  typedef struct m_osip_list m_osip_list_t;

/* added by [e-mail] */
  typedef struct
  {
    _m_node_t *actual;
    _m_node_t **prev;
    m_osip_list_t *li;
    int pos;
  } m_osip_list_iterator_t;

/**
 * Structure for referencing a list of elements.
 * @struct osip_list
 */
  struct m_osip_list
  {

    int nb_elt;         /**< Number of element in the list */
    _m_node_t *node;     /**< Next node containing element  */

  };

/* added by [e-mail] */
#define m_osip_list_iterator_has_elem(it) (0!=(it).actual&&(it).pos<(it).li->nb_elt)

/**
 * Initialise a osip_list_t element.
 * NOTE: this element MUST be previously allocated with
 * osip_malloc(). The osip_free() call on the list is
 * still automatically done by osip_list_free(). This
 * also means you can't use a static osip_list_t variable
 * if you want to use osip_list_free().
 * @param li The element to initialise.
 */
  int m_osip_list_init (m_osip_list_t * li);
/**
 * Free a list of element.
 * Each element will be free with the method given as the second parameter.
 * @param li The element to work on.
 * @param free_func The method that is able to release one element of the list.
 */

  void m_osip_list_special_free (m_osip_list_t * li, void *(*free_func) (void *));
/**
 * Free a list of element where elements are pointer to 'char'.
 * @param li The element to work on.
 */
  void m_osip_list_ofchar_free (m_osip_list_t * li);
/**
 * Get the size of a list of element.
 * @param li The element to work on.
 */
  int m_osip_list_size (const m_osip_list_t * li);
/**
 * Check if the end of list is detected .
 * @param li The element to work on.
 * @param pos The index of the possible element.
 */
  int m_osip_list_eol (const m_osip_list_t * li, int pos);
/**
 * Add an element in a list.
 * @param li The element to work on.
 * @param element The pointer on the element to add.
 * @param pos the index of the element to add. (or -1 to append the element at the end)
 */
  int m_osip_list_add (m_osip_list_t * li, void *element, int pos);
/**
 * Get an element from a list.
 * @param li The element to work on.
 * @param pos the index of the element to get.
 */
  void *m_osip_list_get (const m_osip_list_t * li, int pos);
/**
 * Remove an element from a list.
 * @param li The element to work on.
 * @param pos the index of the element to remove.
 */
  int m_osip_list_remove (m_osip_list_t * li, int pos);

/* added by [e-mail] */
  void *m_osip_list_get_first (m_osip_list_t * li, m_osip_list_iterator_t * it);
/* added by [e-mail] */
  void *m_osip_list_get_next (m_osip_list_iterator_t * it);
/* added by [e-mail] */
  void *m_osip_list_iterator_remove (m_osip_list_iterator_t * it);
 
#endif