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