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4ac76ba414
The functions to modify a QString's string are all unused now. Drop them, and make the string immutable. Saves 16 bytes per QString on my system. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-21-armbru@redhat.com>
103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/*
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* QString Module
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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 LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/qmp/qstring.h"
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#include "qobject-internal.h"
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/**
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* qstring_new(): Create a new empty QString
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*
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* Return strong reference.
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*/
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QString *qstring_new(void)
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{
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return qstring_from_str("");
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}
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/**
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* qstring_from_substr(): Create a new QString from a C string substring
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*
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* Return string reference
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*/
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QString *qstring_from_substr(const char *str, size_t start, size_t end)
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{
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QString *qstring;
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assert(start <= end);
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qstring = g_malloc(sizeof(*qstring));
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qobject_init(QOBJECT(qstring), QTYPE_QSTRING);
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qstring->string = g_strndup(str + start, end - start);
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return qstring;
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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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return qstring_from_substr(str, 0, strlen(str));
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}
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/**
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* qstring_from_gstring(): Convert a GString to a QString
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*
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* Return strong reference.
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*/
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QString *qstring_from_gstring(GString *gstr)
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{
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QString *qstring;
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qstring = g_malloc(sizeof(*qstring));
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qobject_init(QOBJECT(qstring), QTYPE_QSTRING);
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qstring->string = g_string_free(gstr, false);
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return qstring;
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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_is_equal(): Test whether the two QStrings are equal
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*/
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bool qstring_is_equal(const QObject *x, const QObject *y)
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{
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return !strcmp(qobject_to(QString, x)->string,
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qobject_to(QString, y)->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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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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g_free((char *)qs->string);
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g_free(qs);
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}
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