diff options
-rw-r--r-- | Makefile | 2 | ||||
-rw-r--r-- | qobject.h | 1 | ||||
-rw-r--r-- | qstring.c | 73 | ||||
-rw-r--r-- | qstring.h | 15 |
4 files changed, 90 insertions, 1 deletions
@@ -91,7 +91,7 @@ obj-y += buffered_file.o migration.o migration-tcp.o net.o qemu-sockets.o obj-y += qemu-char.o aio.o net-checksum.o savevm.o obj-y += msmouse.o ps2.o obj-y += qdev.o qdev-properties.o ssi.o -obj-y += qint.o +obj-y += qint.o qstring.o obj-$(CONFIG_BRLAPI) += baum.o obj-$(CONFIG_WIN32) += tap-win32.o @@ -38,6 +38,7 @@ typedef enum { QTYPE_NONE, QTYPE_QINT, + QTYPE_QSTRING, } qtype_code; struct QObject; diff --git a/qstring.c b/qstring.c new file mode 100644 index 0000000000..9fa2e3024e --- /dev/null +++ b/qstring.c @@ -0,0 +1,73 @@ +/* + * 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 const QType qstring_type; + +/** + * 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); +} + +static const QType qstring_type = { + .code = QTYPE_QSTRING, + .destroy = qstring_destroy_obj, +}; diff --git a/qstring.h b/qstring.h new file mode 100644 index 0000000000..e012cb7dc5 --- /dev/null +++ b/qstring.h @@ -0,0 +1,15 @@ +#ifndef QSTRING_H +#define QSTRING_H + +#include "qobject.h" + +typedef struct QString { + QObject_HEAD; + char *string; +} QString; + +QString *qstring_from_str(const char *str); +const char *qstring_get_str(const QString *qstring); +QString *qobject_to_qstring(const QObject *obj); + +#endif /* QSTRING_H */ |