Bug Summary

File:build-analysis/../tests/client/t_command_trie.c
Warning:line 182, column 2
Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'action')

Annotated Source Code

1/* XMMS2 - X Music Multiplexer System
2 * Copyright (C) 2003-2017 XMMS2 Team
3 *
4 * PLUGINS ARE NOT CONSIDERED TO BE DERIVED WORK !!!
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 */
16
17/* Wanted behaviour (no auto-complete):
18 * x<TAB> =>
19 * <TAB> => [] / add, clear, pause, play, playlist, ...
20 * <TAB> => [ ] / add, clear, pause, play, playlist, ...
21 * a<TAB> => [add ]
22 * p<TAB> => [p] / pause, play, playlist, etc
23 * pa<TAB> => [pause]
24 * pla<TAB> => [play] / play, playlist
25 * pla <TAB> => [pla ]
26 * play<TAB> => [play] / play, playlist
27 * playl<TAB> => [playlist ]
28 * playlist<TAB> => [playlist ]
29 * playlist <TAB> => [playlist ] / clear, config, list, sort, ...
30 playlist <TAB> => [playlist ] / clear, config, list, sort, ...
31 FIXME: ^^^ FAILS currently, need deeper fix in command_trie.c I think
32 * playlist c<TAB> => [playlist c] / clear, config
33 * playlist clear<TAB> => [playlist clear ]
34 * playlist clear <TAB> => [playlist clear ] / <args>
35 playlist x<TAB> => [playlist x]
36 * add <TAB> => [add ] / <args>
37 * play <TAB> => [play ] / <args>
38 * play more<TAB> => [play more] / <args>
39 * play more <TAB> => [play more ] / <args>
40 */
41
42#include "xcu.h"
43
44#include <stdio.h>
45
46#include <glib.h>
47
48#include <command_trie.h>
49#include <xmmsc/xmmsc_strlist.h>
50
51static command_trie_t *trie;
52
53static gboolean
54cmd_dummy (void *ctx, command_t *cmd)
55{
56 return FALSE(0);
57}
58
59SETUP (command_trie)static int __testsuite_setup (void); static int __testsuite_cleanup
(void); static int __testsuite_setup (void) {
60 gint i;
61
62 trie = command_trie_alloc ();
63
64 const gchar *names[] = {
65 "play", "pause", "stop",
66 "playlist list", "playlist shuffle", "playlist sort"
67 };
68
69 for (i = 0; i < G_N_ELEMENTS (names)(sizeof (names) / sizeof ((names)[0])); i++) {
70 command_action_t *action = command_action_alloc ();
71 command_action_fill (action, names[i], cmd_dummy,
72 COMMAND_REQ_CONNECTION,
73 NULL((void*)0), NULL((void*)0), names[i]);
74 command_trie_insert (trie, action);
75 }
76
77 return 0;
78}
79
80CLEANUP ()static int __testsuite_cleanup (void) {
81 command_trie_free (trie);
82 trie = NULL((void*)0);
83 return 0;
84}
85
86CASE (test_match_complete)static void __testcase_test_match_complete (void); void __testcase_wrapper_test_match_complete
(void); void __testcase_wrapper_test_match_complete (void) {
if (xcu_pre_case ("test_match_complete")) { __testsuite_setup
(); __testcase_test_match_complete (); __testsuite_cleanup (
); xcu_post_case ("test_match_complete"); } } static void __testcase_test_match_complete
(void)
87{
88 command_action_t *action = NULL((void*)0);
89 GList *suffixes = NULL((void*)0);
90
91 gboolean auto_complete = FALSE(0);
92
93 gchar **params = xmms_vargs_to_strlist ("playlist", "s", NULL((void*)0));
94
95 gchar **argv = params;
96 gint argc = xmms_strlist_len (argv);
97
98 command_trie_match_type_t result = command_trie_find (trie, &argv, &argc,
99 auto_complete,
100 &action, &suffixes);
101
102 CU_ASSERT_EQUAL (COMMAND_TRIE_MATCH_NONE, result){ CU_assertImplementation(((COMMAND_TRIE_MATCH_NONE) == (result
)), 102, ("CU_ASSERT_EQUAL(" "COMMAND_TRIE_MATCH_NONE" "," "result"
")"), "../tests/client/t_command_trie.c", "", 0); };
103 CU_ASSERT_STRING_EQUAL ("huffle", suffixes->data){ CU_assertImplementation(!(strcmp((const char*)("huffle"), (
const char*)(suffixes->data))), 103, ("CU_ASSERT_STRING_EQUAL("
"\"huffle\"" "," "suffixes->data" ")"), "../tests/client/t_command_trie.c"
, "", 0); };
104 CU_ASSERT_STRING_EQUAL ("ort", suffixes->next->data){ CU_assertImplementation(!(strcmp((const char*)("ort"), (const
char*)(suffixes->next->data))), 104, ("CU_ASSERT_STRING_EQUAL("
"\"ort\"" "," "suffixes->next->data" ")"), "../tests/client/t_command_trie.c"
, "", 0); };
105 CU_ASSERT_PTR_NULL (suffixes->next->next){ CU_assertImplementation((((void*)0) == (void*)(suffixes->
next->next)), 105, ("CU_ASSERT_PTR_NULL(" "suffixes->next->next"
")"), "../tests/client/t_command_trie.c", "", 0); };
106 CU_ASSERT_PTR_NULL (action){ CU_assertImplementation((((void*)0) == (void*)(action)), 106
, ("CU_ASSERT_PTR_NULL(" "action"")"), "../tests/client/t_command_trie.c"
, "", 0); };
107
108 g_list_free_full (suffixes, g_free);
109 xmms_strlist_destroy (params);
110}
111
112CASE (test_match_auto_unique_complete)static void __testcase_test_match_auto_unique_complete (void)
; void __testcase_wrapper_test_match_auto_unique_complete (void
); void __testcase_wrapper_test_match_auto_unique_complete (void
) { if (xcu_pre_case ("test_match_auto_unique_complete")) { __testsuite_setup
(); __testcase_test_match_auto_unique_complete (); __testsuite_cleanup
(); xcu_post_case ("test_match_auto_unique_complete"); } } static
void __testcase_test_match_auto_unique_complete (void)
113{
114 command_action_t *action = NULL((void*)0);
115 GList *suffixes = NULL((void*)0);
116
117 gboolean auto_complete = TRUE(!(0));
118
119 gchar **params = xmms_vargs_to_strlist ("playlist", "shuff", NULL((void*)0));
120
121 gchar **argv = params;
122 gint argc = xmms_strlist_len (argv);
123
124 command_trie_match_type_t result = command_trie_find (trie, &argv, &argc,
125 auto_complete,
126 &action, &suffixes);
127
128 CU_ASSERT_EQUAL (COMMAND_TRIE_MATCH_ACTION, result){ CU_assertImplementation(((COMMAND_TRIE_MATCH_ACTION) == (result
)), 128, ("CU_ASSERT_EQUAL(" "COMMAND_TRIE_MATCH_ACTION" "," "result"
")"), "../tests/client/t_command_trie.c", "", 0); };
129 CU_ASSERT_STRING_EQUAL ("le", suffixes->data){ CU_assertImplementation(!(strcmp((const char*)("le"), (const
char*)(suffixes->data))), 129, ("CU_ASSERT_STRING_EQUAL("
"\"le\"" "," "suffixes->data" ")"), "../tests/client/t_command_trie.c"
, "", 0); };
130 CU_ASSERT_PTR_NULL (suffixes->next){ CU_assertImplementation((((void*)0) == (void*)(suffixes->
next)), 130, ("CU_ASSERT_PTR_NULL(" "suffixes->next"")"), "../tests/client/t_command_trie.c"
, "", 0); };
131 CU_ASSERT_PTR_NOT_NULL (action){ CU_assertImplementation((((void*)0) != (void*)(action)), 131
, ("CU_ASSERT_PTR_NOT_NULL(" "action"")"), "../tests/client/t_command_trie.c"
, "", 0); };
132 CU_ASSERT_PTR_NOT_NULL (action->callback){ CU_assertImplementation((((void*)0) != (void*)(action->callback
)), 132, ("CU_ASSERT_PTR_NOT_NULL(" "action->callback"")")
, "../tests/client/t_command_trie.c", "", 0); };
133
134 g_list_free_full (suffixes, g_free);
135 xmms_strlist_destroy (params);
136}
137
138CASE (test_match_exact_action)static void __testcase_test_match_exact_action (void); void __testcase_wrapper_test_match_exact_action
(void); void __testcase_wrapper_test_match_exact_action (void
) { if (xcu_pre_case ("test_match_exact_action")) { __testsuite_setup
(); __testcase_test_match_exact_action (); __testsuite_cleanup
(); xcu_post_case ("test_match_exact_action"); } } static void
__testcase_test_match_exact_action (void)
139{
140 command_action_t *action = NULL((void*)0);
141 GList *suffixes = NULL((void*)0);
142
143 gboolean auto_complete = FALSE(0);
144
145 gchar **params = xmms_vargs_to_strlist ("playlist", "shuffle", NULL((void*)0));
146
147 gchar **argv = params;
148 gint argc = xmms_strlist_len (argv);
149
150 command_trie_match_type_t result = command_trie_find (trie, &argv, &argc,
151 auto_complete,
152 &action, &suffixes);
153
154 CU_ASSERT_EQUAL (COMMAND_TRIE_MATCH_ACTION, result){ CU_assertImplementation(((COMMAND_TRIE_MATCH_ACTION) == (result
)), 154, ("CU_ASSERT_EQUAL(" "COMMAND_TRIE_MATCH_ACTION" "," "result"
")"), "../tests/client/t_command_trie.c", "", 0); };
155 CU_ASSERT_PTR_NULL (suffixes){ CU_assertImplementation((((void*)0) == (void*)(suffixes)), 155
, ("CU_ASSERT_PTR_NULL(" "suffixes"")"), "../tests/client/t_command_trie.c"
, "", 0); };
156 CU_ASSERT_PTR_NOT_NULL (action){ CU_assertImplementation((((void*)0) != (void*)(action)), 156
, ("CU_ASSERT_PTR_NOT_NULL(" "action"")"), "../tests/client/t_command_trie.c"
, "", 0); };
157 CU_ASSERT_PTR_NOT_NULL (action->callback){ CU_assertImplementation((((void*)0) != (void*)(action->callback
)), 157, ("CU_ASSERT_PTR_NOT_NULL(" "action->callback"")")
, "../tests/client/t_command_trie.c", "", 0); };
158
159 xmms_strlist_destroy (params);
160}
161
162
163CASE (test_match_exact_subtrie)static void __testcase_test_match_exact_subtrie (void); void __testcase_wrapper_test_match_exact_subtrie
(void); void __testcase_wrapper_test_match_exact_subtrie (void
) { if (xcu_pre_case ("test_match_exact_subtrie")) { __testsuite_setup
(); __testcase_test_match_exact_subtrie (); __testsuite_cleanup
(); xcu_post_case ("test_match_exact_subtrie"); } } static void
__testcase_test_match_exact_subtrie (void)
1
Within the expansion of the macro 'CASE':
→
a
Assuming the condition is true
b
Calling '__testcase_test_match_exact_subtrie'
164{
165 command_action_t *action = NULL((void*)0);
166 GList *suffixes = NULL((void*)0);
167
168 gboolean auto_complete = FALSE(0);
169
170 gchar **params = xmms_vargs_to_strlist ("playlist", NULL((void*)0));
171
172 gchar **argv = params;
173 gint argc = xmms_strlist_len (argv);
174
175 command_trie_match_type_t result = command_trie_find (trie, &argv, &argc,
2
←
Value assigned to 'action'
→
176 auto_complete,
177 &action, &suffixes);
178
179 CU_ASSERT_EQUAL (COMMAND_TRIE_MATCH_SUBTRIE, result){ CU_assertImplementation(((COMMAND_TRIE_MATCH_SUBTRIE) == (result
)), 179, ("CU_ASSERT_EQUAL(" "COMMAND_TRIE_MATCH_SUBTRIE" ","
"result" ")"), "../tests/client/t_command_trie.c", "", 0); };
180 CU_ASSERT_PTR_NULL (suffixes){ CU_assertImplementation((((void*)0) == (void*)(suffixes)), 180
, ("CU_ASSERT_PTR_NULL(" "suffixes"")"), "../tests/client/t_command_trie.c"
, "", 0); };
181 CU_ASSERT_PTR_NOT_NULL (action){ CU_assertImplementation((((void*)0) != (void*)(action)), 181
, ("CU_ASSERT_PTR_NOT_NULL(" "action"")"), "../tests/client/t_command_trie.c"
, "", 0); };
3
←
Within the expansion of the macro 'CU_ASSERT_PTR_NOT_NULL':
→
a
Assuming 'action' is equal to null
b
Assuming pointer value is null
182 CU_ASSERT_PTR_NULL (action->callback){ CU_assertImplementation((((void*)0) == (void*)(action->callback
)), 182, ("CU_ASSERT_PTR_NULL(" "action->callback"")"), "../tests/client/t_command_trie.c"
, "", 0); };
4
←
Within the expansion of the macro 'CU_ASSERT_PTR_NULL':
a
Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'action')
183
184 xmms_strlist_destroy (params);
185}