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74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/*
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* QString data type.
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*
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* Copyright (C) 2009 Red Hat Inc.
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*
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* Authors:
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* Luiz Capitulino <lcapitulino@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*/
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#include "qobject.h"
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#include "qstring.h"
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#include "qemu-common.h"
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static void qstring_destroy_obj(QObject *obj);
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static const QType qstring_type = {
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.code = QTYPE_QSTRING,
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.destroy = qstring_destroy_obj,
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};
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/**
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* qstring_from_str(): Create a new QString from a regular C string
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*
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* Return strong reference.
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*/
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QString *qstring_from_str(const char *str)
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{
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QString *qstring;
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qstring = qemu_malloc(sizeof(*qstring));
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qstring->string = qemu_strdup(str);
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QOBJECT_INIT(qstring, &qstring_type);
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return qstring;
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}
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/**
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* qobject_to_qstring(): Convert a QObject to a QString
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*/
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QString *qobject_to_qstring(const QObject *obj)
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{
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if (qobject_type(obj) != QTYPE_QSTRING)
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return NULL;
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return container_of(obj, QString, base);
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}
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/**
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* qstring_get_str(): Return a pointer to the stored string
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*
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* NOTE: Should be used with caution, if the object is deallocated
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* this pointer becomes invalid.
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*/
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const char *qstring_get_str(const QString *qstring)
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{
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return qstring->string;
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}
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/**
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* qstring_destroy_obj(): Free all memory allocated by a QString
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* object
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*/
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static void qstring_destroy_obj(QObject *obj)
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{
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QString *qs;
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assert(obj != NULL);
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qs = qobject_to_qstring(obj);
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qemu_free(qs->string);
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qemu_free(qs);
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}
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