Fix: bt_g_hash_table_contains(): handle `NULL`/0 values
[babeltrace.git] / include / babeltrace / compat / glib-internal.h
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1#ifndef _BABELTRACE_COMPAT_GLIB_H
2#define _BABELTRACE_COMPAT_GLIB_H
3
4/*
5 * babeltrace/compat/glib.h
6 *
7 * Copyright (C) 2015 Michael Jeanson <mjeanson@efficios.com>
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 */
27
28#include <glib.h>
29
30#if GLIB_CHECK_VERSION(2,31,8)
31
32static inline gboolean
5d5982ab 33bt_g_hash_table_contains(GHashTable *hash_table, gconstpointer key)
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34{
35 return g_hash_table_contains(hash_table, key);
36}
37
38#else
39
40static inline gboolean
5d5982ab 41bt_g_hash_table_contains(GHashTable *hash_table, gconstpointer key)
bc26fd5e 42{
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43 gpointer orig_key;
44 gpointer value;
bc26fd5e 45
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46 return g_hash_table_lookup_extended(hash_table, key, &orig_key,
47 &value);
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48}
49
50#endif
51
52
53#if GLIB_CHECK_VERSION(2,29,16)
54
55static inline GPtrArray *
5d5982ab 56bt_g_ptr_array_new_full(guint reserved_size,
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57 GDestroyNotify element_free_func)
58{
59 return g_ptr_array_new_full(reserved_size, element_free_func);
60}
61
62#else
63
64static inline GPtrArray *
5d5982ab 65bt_g_ptr_array_new_full(guint reserved_size,
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66 GDestroyNotify element_free_func)
67{
68 GPtrArray *array;
69
70 array = g_ptr_array_sized_new(reserved_size);
71 if (!array) {
72 goto end;
73 }
74 g_ptr_array_set_free_func(array, element_free_func);
75end:
76 return array;
77}
78#endif
79
80#endif /* _BABELTRACE_COMPAT_GLIB_H */
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