1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
GLIB - Library of useful routines for C programming
Copyright (C) 2009-2022
Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2009, 2013.
This file is part of the Midnight Commander.
The Midnight Commander is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
The Midnight Commander is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file glibcompat.c
* \brief Source: compatibility with older versions of glib
*
* Following code was copied from glib to GNU Midnight Commander to
* provide compatibility with older versions of glib.
*/
#include <config.h>
#include <string.h>
#include "global.h"
#include "glibcompat.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
#if ! GLIB_CHECK_VERSION (2, 63, 3)
/**
* g_clear_slist: (skip)
* @slist_ptr: (not nullable): a #GSList return location
* @destroy: (nullable): the function to pass to g_slist_free_full() or NULL to not free elements
*
* Clears a pointer to a #GSList, freeing it and, optionally, freeing its elements using @destroy.
*
* @slist_ptr must be a valid pointer. If @slist_ptr points to a null #GSList, this does nothing.
*
* Since: 2.64
*/
void
g_clear_slist (GSList ** slist_ptr, GDestroyNotify destroy)
{
GSList *slist;
slist = *slist_ptr;
if (slist != NULL)
{
*slist_ptr = NULL;
if (destroy != NULL)
g_slist_free_full (slist, destroy);
else
g_slist_free (slist);
}
}
/* --------------------------------------------------------------------------------------------- */
/**
* g_clear_list:
* @list_ptr: (not nullable): a #GList return location
* @destroy: (nullable): the function to pass to g_list_free_full() or NULL to not free elements
*
* Clears a pointer to a #GList, freeing it and, optionally, freeing its elements using @destroy.
*
* @list_ptr must be a valid pointer. If @list_ptr points to a null #GList, this does nothing.
*
* Since: 2.64
*/
void
g_clear_list (GList ** list_ptr, GDestroyNotify destroy)
{
GList *list;
list = *list_ptr;
if (list != NULL)
{
*list_ptr = NULL;
if (destroy != NULL)
g_list_free_full (list, destroy);
else
g_list_free (list);
}
}
/* --------------------------------------------------------------------------------------------- */
#endif /* ! GLIB_CHECK_VERSION (2, 63, 3) */
#if ! GLIB_CHECK_VERSION (2, 32, 0)
/**
* g_queue_free_full:
* @queue: a pointer to a #GQueue
* @free_func: the function to be called to free each element's data
*
* Convenience method, which frees all the memory used by a #GQueue,
* and calls the specified destroy function on every element's data.
*
* Since: 2.32
*/
void
g_queue_free_full (GQueue * queue, GDestroyNotify free_func)
{
g_queue_foreach (queue, (GFunc) free_func, NULL);
g_queue_free (queue);
}
#endif /* ! GLIB_CHECK_VERSION (2, 32, 0) */
/* --------------------------------------------------------------------------------------------- */
#if ! GLIB_CHECK_VERSION (2, 60, 0)
/**
* g_queue_clear_full:
* @queue: a pointer to a #GQueue
* @free_func: (nullable): the function to be called to free memory allocated
*
* Convenience method, which frees all the memory used by a #GQueue,
* and calls the provided @free_func on each item in the #GQueue.
*
* Since: 2.60
*/
void
g_queue_clear_full (GQueue * queue, GDestroyNotify free_func)
{
g_return_if_fail (queue != NULL);
if (free_func != NULL)
g_queue_foreach (queue, (GFunc) free_func, NULL);
g_queue_clear (queue);
}
#endif /* ! GLIB_CHECK_VERSION (2, 60, 0) */
/* --------------------------------------------------------------------------------------------- */
/**
* mc_g_string_copy:
* @dest: (not nullable): the destination #GString. Its current contents are destroyed
* @src: (not nullable): the source #GString
* @return: @dest
*
* Copies the bytes from a #GString into a #GString, destroying any previous contents.
* It is rather like the standard strcpy() function, except that you do not have to worry about
* having enough space to copy the string.
*
* There is no such API in GLib2.
*/
GString *
mc_g_string_copy (GString * dest, const GString * src)
{
g_return_val_if_fail (src != NULL, NULL);
g_return_val_if_fail (dest != NULL, NULL);
g_string_set_size (dest, 0);
g_string_append_len (dest, src->str, src->len);
return dest;
}
/* --------------------------------------------------------------------------------------------- */
/**
* mc_g_string_dup:
* @s: (nullable): the source #GString
* @return: @copy of @s
*
* Copies the bytes from one #GString to another.
*
* There is no such API in GLib2.
*/
GString *
mc_g_string_dup (const GString * s)
{
GString *ret = NULL;
if (s != NULL)
ret = g_string_new_len (s->str, s->len);
return ret;
}
/* --------------------------------------------------------------------------------------------- */
|
