qemu-e2k/include/qapi/qmp/qstring.h
Peter Xu 775932020d qobject: introduce qstring_get_try_str()
The only difference from qstring_get_str() is that it allows the qstring
to be NULL.  If so, NULL is returned.

CC: Eric Blake <eblake@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180309090006.10018-3-peterx@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:36 -05:00

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1015 B
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/*
* QString Module
*
* Copyright (C) 2009 Red Hat Inc.
*
* Authors:
* Luiz Capitulino <lcapitulino@redhat.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*/
#ifndef QSTRING_H
#define QSTRING_H
#include "qapi/qmp/qobject.h"
struct QString {
QObject base;
char *string;
size_t length;
size_t capacity;
};
QString *qstring_new(void);
QString *qstring_from_str(const char *str);
QString *qstring_from_substr(const char *str, int start, int end);
size_t qstring_get_length(const QString *qstring);
const char *qstring_get_str(const QString *qstring);
const char *qstring_get_try_str(const QString *qstring);
void qstring_append_int(QString *qstring, int64_t value);
void qstring_append(QString *qstring, const char *str);
void qstring_append_chr(QString *qstring, int c);
bool qstring_is_equal(const QObject *x, const QObject *y);
void qstring_destroy_obj(QObject *obj);
#endif /* QSTRING_H */