mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-25 04:49:21 +00:00
76d3aa92cc
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Backports commit f2ad72b30e214d1e3e41dba36f855354dfa81832 from qemu
150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qapi/qmp/qobject.h"
|
|
#include "qapi/qmp/qstring.h"
|
|
#include "qemu-common.h"
|
|
|
|
static void qstring_destroy_obj(QObject *obj);
|
|
|
|
static const QType qstring_type = {
|
|
QTYPE_QSTRING,
|
|
qstring_destroy_obj,
|
|
};
|
|
|
|
/**
|
|
* qstring_new(): Create a new empty QString
|
|
*
|
|
* Return strong reference.
|
|
*/
|
|
QString *qstring_new(void)
|
|
{
|
|
return qstring_from_str("");
|
|
}
|
|
|
|
/**
|
|
* qstring_get_length(): Get the length of a QString
|
|
*/
|
|
size_t qstring_get_length(const QString *qstring)
|
|
{
|
|
return qstring->length;
|
|
}
|
|
|
|
/**
|
|
* qstring_from_substr(): Create a new QString from a C string substring
|
|
*
|
|
* Return string reference
|
|
*/
|
|
QString *qstring_from_substr(const char *str, int start, int end)
|
|
{
|
|
QString *qstring;
|
|
|
|
qstring = g_malloc(sizeof(*qstring));
|
|
|
|
qstring->length = end - start + 1;
|
|
qstring->capacity = qstring->length;
|
|
|
|
qstring->string = g_malloc(qstring->capacity + 1);
|
|
memcpy(qstring->string, str + start, qstring->length);
|
|
qstring->string[qstring->length] = 0;
|
|
|
|
QOBJECT_INIT(qstring, &qstring_type);
|
|
|
|
return qstring;
|
|
}
|
|
|
|
/**
|
|
* qstring_from_str(): Create a new QString from a regular C string
|
|
*
|
|
* Return strong reference.
|
|
*/
|
|
QString *qstring_from_str(const char *str)
|
|
{
|
|
return qstring_from_substr(str, 0, strlen(str) - 1);
|
|
}
|
|
|
|
static void capacity_increase(QString *qstring, size_t len)
|
|
{
|
|
if (qstring->capacity < (qstring->length + len)) {
|
|
qstring->capacity += len;
|
|
qstring->capacity *= 2; /* use exponential growth */
|
|
|
|
qstring->string = g_realloc(qstring->string, qstring->capacity + 1);
|
|
}
|
|
}
|
|
|
|
/* qstring_append(): Append a C string to a QString
|
|
*/
|
|
void qstring_append(QString *qstring, const char *str)
|
|
{
|
|
size_t len = strlen(str);
|
|
|
|
capacity_increase(qstring, len);
|
|
memcpy(qstring->string + qstring->length, str, len);
|
|
qstring->length += len;
|
|
qstring->string[qstring->length] = 0;
|
|
}
|
|
|
|
void qstring_append_int(QString *qstring, int64_t value)
|
|
{
|
|
char num[32];
|
|
|
|
snprintf(num, sizeof(num), "%" PRId64, value);
|
|
qstring_append(qstring, num);
|
|
}
|
|
|
|
/**
|
|
* qstring_append_chr(): Append a C char to a QString
|
|
*/
|
|
void qstring_append_chr(QString *qstring, int c)
|
|
{
|
|
capacity_increase(qstring, 1);
|
|
qstring->string[qstring->length++] = c;
|
|
qstring->string[qstring->length] = 0;
|
|
}
|
|
|
|
/**
|
|
* qobject_to_qstring(): Convert a QObject to a QString
|
|
*/
|
|
QString *qobject_to_qstring(const QObject *obj)
|
|
{
|
|
if (!obj || 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);
|
|
g_free(qs->string);
|
|
g_free(qs);
|
|
}
|