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      1 /*
      2  * QList Module
      3  *
      4  * Copyright (C) 2009 Red Hat Inc.
      5  *
      6  * Authors:
      7  *  Luiz Capitulino <lcapitulino (at) redhat.com>
      8  *
      9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
     10  * See the COPYING.LIB file in the top-level directory.
     11  */
     12 
     13 #ifndef QLIST_H
     14 #define QLIST_H
     15 
     16 #include "qobject.h"
     17 #include "qemu-queue.h"
     18 #include "qemu-common.h"
     19 
     20 typedef struct QListEntry {
     21     QObject *value;
     22     QTAILQ_ENTRY(QListEntry) next;
     23 } QListEntry;
     24 
     25 typedef struct QList {
     26     QObject_HEAD;
     27     QTAILQ_HEAD(,QListEntry) head;
     28 } QList;
     29 
     30 #define qlist_append(qlist, obj) \
     31         qlist_append_obj(qlist, QOBJECT(obj))
     32 
     33 #define QLIST_FOREACH_ENTRY(qlist, var)             \
     34         for ((var) = ((qlist)->head.tqh_first);     \
     35             (var);                                  \
     36             (var) = ((var)->next.tqe_next))
     37 
     38 static inline QObject *qlist_entry_obj(const QListEntry *entry)
     39 {
     40     return entry->value;
     41 }
     42 
     43 QList *qlist_new(void);
     44 QList *qlist_copy(QList *src);
     45 void qlist_append_obj(QList *qlist, QObject *obj);
     46 void qlist_iter(const QList *qlist,
     47                 void (*iter)(QObject *obj, void *opaque), void *opaque);
     48 QObject *qlist_pop(QList *qlist);
     49 QObject *qlist_peek(QList *qlist);
     50 int qlist_empty(const QList *qlist);
     51 QList *qobject_to_qlist(const QObject *obj);
     52 
     53 #endif /* QLIST_H */
     54