LXR qemu/include/qapi/qmp/qlist.h

   1/*
   2 * QList Module
   3 *
   4 * Copyright (C) 2009 Red Hat Inc.
   5 *
   6 * Authors:
   7 *  Luiz Capitulino <lcapitulino@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 "qapi/qmp/qobject.h"
  17#include "qemu/queue.h"
  18
  19typedef struct QListEntry {
  20    QObject *value;
  21    QTAILQ_ENTRY(QListEntry) next;
  22} QListEntry;
  23
  24struct QList {
  25    struct QObjectBase_ base;
  26    QTAILQ_HEAD(,QListEntry) head;
  27};
  28
  29void qlist_unref(QList *q);
  30
  31G_DEFINE_AUTOPTR_CLEANUP_FUNC(QList, qlist_unref)
  32
  33#define qlist_append(qlist, obj) \
  34        qlist_append_obj(qlist, QOBJECT(obj))
  35
  36void qlist_append_bool(QList *qlist, bool value);
  37void qlist_append_int(QList *qlist, int64_t value);
  38void qlist_append_null(QList *qlist);
  39void qlist_append_str(QList *qlist, const char *value);
  40
  41#define QLIST_FOREACH_ENTRY(qlist, var)                 \
  42        for ((var) = QTAILQ_FIRST(&(qlist)->head);      \
  43             (var);                                     \
  44             (var) = QTAILQ_NEXT((var), next))
  45
  46static inline QObject *qlist_entry_obj(const QListEntry *entry)
  47{
  48    return entry->value;
  49}
  50
  51QList *qlist_new(void);
  52QList *qlist_copy(QList *src);
  53void qlist_append_obj(QList *qlist, QObject *obj);
  54QObject *qlist_pop(QList *qlist);
  55QObject *qlist_peek(QList *qlist);
  56int qlist_empty(const QList *qlist);
  57size_t qlist_size(const QList *qlist);
  58
  59static inline const QListEntry *qlist_first(const QList *qlist)
  60{
  61    return QTAILQ_FIRST(&qlist->head);
  62}
  63
  64static inline const QListEntry *qlist_next(const QListEntry *entry)
  65{
  66    return QTAILQ_NEXT(entry, next);
  67}
  68
  69#endif /* QLIST_H */
  70