File: | test/touch.c |
Location: | line 201, column 5 |
Description: | Value stored to 'last_client_id' is never read |
1 | /** |
2 | * Copyright © 2011 Red Hat, Inc. |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), |
6 | * to deal in the Software without restriction, including without limitation |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * Software is furnished to do so, subject to the following conditions: |
10 | * |
11 | * The above copyright notice and this permission notice (including the next |
12 | * paragraph) shall be included in all copies or substantial portions of the |
13 | * Software. |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
21 | * DEALINGS IN THE SOFTWARE. |
22 | */ |
23 | |
24 | #ifdef HAVE_DIX_CONFIG_H1 |
25 | #include <dix-config.h> |
26 | #endif |
27 | |
28 | #include <stdint.h> |
29 | #include "inputstr.h" |
30 | #include "assert.h" |
31 | #include "scrnintstr.h" |
32 | |
33 | static void |
34 | touch_grow_queue(void) |
35 | { |
36 | DeviceIntRec dev; |
37 | ValuatorClassRec val; |
38 | TouchClassRec touch; |
39 | size_t size, new_size; |
40 | int i; |
41 | |
42 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
43 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
44 | dev.id = 2; |
45 | dev.valuator = &val; |
46 | val.numAxes = 5; |
47 | dev.touch = &touch; |
48 | inputInfo.devices = &dev; |
49 | |
50 | size = 5; |
51 | |
52 | dev.last.num_touches = size; |
53 | dev.last.touches = calloc(dev.last.num_touches, sizeof(*dev.last.touches)); |
54 | assert(dev.last.touches)(__builtin_expect(!(dev.last.touches), 0) ? __assert_rtn(__func__ , "touch.c", 54, "dev.last.touches") : (void)0); |
55 | for (i = 0; i < size; i++) { |
56 | dev.last.touches[i].active = TRUE1; |
57 | dev.last.touches[i].ddx_id = i; |
58 | dev.last.touches[i].client_id = i * 2; |
59 | } |
60 | |
61 | /* no more space, should've scheduled a workproc */ |
62 | assert(TouchBeginDDXTouch(&dev, 1234) == NULL)(__builtin_expect(!(TouchBeginDDXTouch(&dev, 1234) == ((void *)0)), 0) ? __assert_rtn(__func__, "touch.c", 62, "TouchBeginDDXTouch(&dev, 1234) == NULL" ) : (void)0); |
63 | ProcessWorkQueue(); |
64 | |
65 | new_size = size + size / 2 + 1; |
66 | assert(dev.last.num_touches == new_size)(__builtin_expect(!(dev.last.num_touches == new_size), 0) ? __assert_rtn (__func__, "touch.c", 66, "dev.last.num_touches == new_size") : (void)0); |
67 | |
68 | /* make sure we haven't touched those */ |
69 | for (i = 0; i < size; i++) { |
70 | DDXTouchPointInfoPtr t = &dev.last.touches[i]; |
71 | |
72 | assert(t->active == TRUE)(__builtin_expect(!(t->active == 1), 0) ? __assert_rtn(__func__ , "touch.c", 72, "t->active == TRUE") : (void)0); |
73 | assert(t->ddx_id == i)(__builtin_expect(!(t->ddx_id == i), 0) ? __assert_rtn(__func__ , "touch.c", 73, "t->ddx_id == i") : (void)0); |
74 | assert(t->client_id == i * 2)(__builtin_expect(!(t->client_id == i * 2), 0) ? __assert_rtn (__func__, "touch.c", 74, "t->client_id == i * 2") : (void )0); |
75 | } |
76 | |
77 | /* make sure those are zero-initialized */ |
78 | for (i = size; i < new_size; i++) { |
79 | DDXTouchPointInfoPtr t = &dev.last.touches[i]; |
80 | |
81 | assert(t->active == FALSE)(__builtin_expect(!(t->active == 0), 0) ? __assert_rtn(__func__ , "touch.c", 81, "t->active == FALSE") : (void)0); |
82 | assert(t->client_id == 0)(__builtin_expect(!(t->client_id == 0), 0) ? __assert_rtn( __func__, "touch.c", 82, "t->client_id == 0") : (void)0); |
83 | assert(t->ddx_id == 0)(__builtin_expect(!(t->ddx_id == 0), 0) ? __assert_rtn(__func__ , "touch.c", 83, "t->ddx_id == 0") : (void)0); |
84 | } |
85 | |
86 | free(dev.name); |
87 | } |
88 | |
89 | static void |
90 | touch_find_ddxid(void) |
91 | { |
92 | DeviceIntRec dev; |
93 | DDXTouchPointInfoPtr ti; |
94 | ValuatorClassRec val; |
95 | TouchClassRec touch; |
96 | int size = 5; |
97 | int i; |
98 | |
99 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
100 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
101 | dev.id = 2; |
102 | dev.valuator = &val; |
103 | val.numAxes = 5; |
104 | dev.touch = &touch; |
105 | dev.last.num_touches = size; |
106 | dev.last.touches = calloc(dev.last.num_touches, sizeof(*dev.last.touches)); |
107 | inputInfo.devices = &dev; |
108 | assert(dev.last.touches)(__builtin_expect(!(dev.last.touches), 0) ? __assert_rtn(__func__ , "touch.c", 108, "dev.last.touches") : (void)0); |
109 | |
110 | dev.last.touches[0].active = TRUE1; |
111 | dev.last.touches[0].ddx_id = 10; |
112 | dev.last.touches[0].client_id = 20; |
113 | |
114 | /* existing */ |
115 | ti = TouchFindByDDXID(&dev, 10, FALSE0); |
116 | assert(ti == &dev.last.touches[0])(__builtin_expect(!(ti == &dev.last.touches[0]), 0) ? __assert_rtn (__func__, "touch.c", 116, "ti == &dev.last.touches[0]") : (void)0); |
117 | |
118 | /* non-existing */ |
119 | ti = TouchFindByDDXID(&dev, 20, FALSE0); |
120 | assert(ti == NULL)(__builtin_expect(!(ti == ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 120, "ti == NULL") : (void)0); |
121 | |
122 | /* Non-active */ |
123 | dev.last.touches[0].active = FALSE0; |
124 | ti = TouchFindByDDXID(&dev, 10, FALSE0); |
125 | assert(ti == NULL)(__builtin_expect(!(ti == ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 125, "ti == NULL") : (void)0); |
126 | |
127 | /* create on number 2 */ |
128 | dev.last.touches[0].active = TRUE1; |
129 | |
130 | ti = TouchFindByDDXID(&dev, 20, TRUE1); |
131 | assert(ti == &dev.last.touches[1])(__builtin_expect(!(ti == &dev.last.touches[1]), 0) ? __assert_rtn (__func__, "touch.c", 131, "ti == &dev.last.touches[1]") : (void)0); |
132 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 132, "ti->active") : (void)0); |
133 | assert(ti->ddx_id == 20)(__builtin_expect(!(ti->ddx_id == 20), 0) ? __assert_rtn(__func__ , "touch.c", 133, "ti->ddx_id == 20") : (void)0); |
134 | |
135 | /* set all to active */ |
136 | for (i = 0; i < size; i++) |
137 | dev.last.touches[i].active = TRUE1; |
138 | |
139 | /* Try to create more, fail */ |
140 | ti = TouchFindByDDXID(&dev, 30, TRUE1); |
141 | assert(ti == NULL)(__builtin_expect(!(ti == ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 141, "ti == NULL") : (void)0); |
142 | ti = TouchFindByDDXID(&dev, 30, TRUE1); |
143 | assert(ti == NULL)(__builtin_expect(!(ti == ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 143, "ti == NULL") : (void)0); |
144 | /* make sure we haven't resized, we're in the signal handler */ |
145 | assert(dev.last.num_touches == size)(__builtin_expect(!(dev.last.num_touches == size), 0) ? __assert_rtn (__func__, "touch.c", 145, "dev.last.num_touches == size") : ( void)0); |
146 | |
147 | /* stop one touchpoint, try to create, succeed */ |
148 | dev.last.touches[2].active = FALSE0; |
149 | ti = TouchFindByDDXID(&dev, 30, TRUE1); |
150 | assert(ti == &dev.last.touches[2])(__builtin_expect(!(ti == &dev.last.touches[2]), 0) ? __assert_rtn (__func__, "touch.c", 150, "ti == &dev.last.touches[2]") : (void)0); |
151 | /* but still grow anyway */ |
152 | ProcessWorkQueue(); |
153 | ti = TouchFindByDDXID(&dev, 40, TRUE1); |
154 | assert(ti == &dev.last.touches[size])(__builtin_expect(!(ti == &dev.last.touches[size]), 0) ? __assert_rtn (__func__, "touch.c", 154, "ti == &dev.last.touches[size]" ) : (void)0); |
155 | |
156 | free(dev.name); |
157 | } |
158 | |
159 | static void |
160 | touch_begin_ddxtouch(void) |
161 | { |
162 | DeviceIntRec dev; |
163 | DDXTouchPointInfoPtr ti; |
164 | ValuatorClassRec val; |
165 | TouchClassRec touch; |
166 | int ddx_id = 123; |
167 | unsigned int last_client_id = 0; |
168 | int size = 5; |
169 | |
170 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
171 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
172 | dev.id = 2; |
173 | dev.valuator = &val; |
174 | val.numAxes = 5; |
175 | touch.mode = XIDirectTouch1; |
176 | dev.touch = &touch; |
177 | dev.last.num_touches = size; |
178 | dev.last.touches = calloc(dev.last.num_touches, sizeof(*dev.last.touches)); |
179 | inputInfo.devices = &dev; |
180 | assert(dev.last.touches)(__builtin_expect(!(dev.last.touches), 0) ? __assert_rtn(__func__ , "touch.c", 180, "dev.last.touches") : (void)0); |
181 | |
182 | ti = TouchBeginDDXTouch(&dev, ddx_id); |
183 | assert(ti)(__builtin_expect(!(ti), 0) ? __assert_rtn(__func__, "touch.c" , 183, "ti") : (void)0); |
184 | assert(ti->ddx_id == ddx_id)(__builtin_expect(!(ti->ddx_id == ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 184, "ti->ddx_id == ddx_id") : (void )0); |
185 | /* client_id == ddx_id can happen in real life, but not in this test */ |
186 | assert(ti->client_id != ddx_id)(__builtin_expect(!(ti->client_id != ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 186, "ti->client_id != ddx_id") : (void )0); |
187 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 187, "ti->active") : (void)0); |
188 | assert(ti->client_id > last_client_id)(__builtin_expect(!(ti->client_id > last_client_id), 0) ? __assert_rtn(__func__, "touch.c", 188, "ti->client_id > last_client_id" ) : (void)0); |
189 | assert(ti->emulate_pointer)(__builtin_expect(!(ti->emulate_pointer), 0) ? __assert_rtn (__func__, "touch.c", 189, "ti->emulate_pointer") : (void) 0); |
190 | last_client_id = ti->client_id; |
191 | |
192 | ddx_id += 10; |
193 | ti = TouchBeginDDXTouch(&dev, ddx_id); |
194 | assert(ti)(__builtin_expect(!(ti), 0) ? __assert_rtn(__func__, "touch.c" , 194, "ti") : (void)0); |
195 | assert(ti->ddx_id == ddx_id)(__builtin_expect(!(ti->ddx_id == ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 195, "ti->ddx_id == ddx_id") : (void )0); |
196 | /* client_id == ddx_id can happen in real life, but not in this test */ |
197 | assert(ti->client_id != ddx_id)(__builtin_expect(!(ti->client_id != ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 197, "ti->client_id != ddx_id") : (void )0); |
198 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 198, "ti->active") : (void)0); |
199 | assert(ti->client_id > last_client_id)(__builtin_expect(!(ti->client_id > last_client_id), 0) ? __assert_rtn(__func__, "touch.c", 199, "ti->client_id > last_client_id" ) : (void)0); |
200 | assert(!ti->emulate_pointer)(__builtin_expect(!(!ti->emulate_pointer), 0) ? __assert_rtn (__func__, "touch.c", 200, "!ti->emulate_pointer") : (void )0); |
201 | last_client_id = ti->client_id; |
Value stored to 'last_client_id' is never read | |
202 | |
203 | free(dev.name); |
204 | } |
205 | |
206 | static void |
207 | touch_begin_touch(void) |
208 | { |
209 | DeviceIntRec dev; |
210 | TouchClassRec touch; |
211 | ValuatorClassRec val; |
212 | TouchPointInfoPtr ti; |
213 | int touchid = 12434; |
214 | int sourceid = 23; |
215 | SpriteInfoRec sprite; |
216 | ScreenRec screen; |
217 | |
218 | screenInfo.screens[0] = &screen; |
219 | |
220 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
221 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
222 | dev.id = 2; |
223 | |
224 | memset(&sprite, 0, sizeof(sprite))__builtin___memset_chk (&sprite, 0, sizeof(sprite), __builtin_object_size (&sprite, 0)); |
225 | dev.spriteInfo = &sprite; |
226 | |
227 | memset(&touch, 0, sizeof(touch))__builtin___memset_chk (&touch, 0, sizeof(touch), __builtin_object_size (&touch, 0)); |
228 | touch.num_touches = 0; |
229 | |
230 | memset(&val, 0, sizeof(val))__builtin___memset_chk (&val, 0, sizeof(val), __builtin_object_size (&val, 0)); |
231 | dev.valuator = &val; |
232 | val.numAxes = 2; |
233 | |
234 | ti = TouchBeginTouch(&dev, sourceid, touchid, TRUE1); |
235 | assert(!ti)(__builtin_expect(!(!ti), 0) ? __assert_rtn(__func__, "touch.c" , 235, "!ti") : (void)0); |
236 | |
237 | dev.touch = &touch; |
238 | ti = TouchBeginTouch(&dev, sourceid, touchid, TRUE1); |
239 | assert(ti)(__builtin_expect(!(ti), 0) ? __assert_rtn(__func__, "touch.c" , 239, "ti") : (void)0); |
240 | assert(ti->client_id == touchid)(__builtin_expect(!(ti->client_id == touchid), 0) ? __assert_rtn (__func__, "touch.c", 240, "ti->client_id == touchid") : ( void)0); |
241 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 241, "ti->active") : (void)0); |
242 | assert(ti->sourceid == sourceid)(__builtin_expect(!(ti->sourceid == sourceid), 0) ? __assert_rtn (__func__, "touch.c", 242, "ti->sourceid == sourceid") : ( void)0); |
243 | assert(ti->emulate_pointer)(__builtin_expect(!(ti->emulate_pointer), 0) ? __assert_rtn (__func__, "touch.c", 243, "ti->emulate_pointer") : (void) 0); |
244 | |
245 | assert(touch.num_touches == 1)(__builtin_expect(!(touch.num_touches == 1), 0) ? __assert_rtn (__func__, "touch.c", 245, "touch.num_touches == 1") : (void) 0); |
246 | |
247 | free(dev.name); |
248 | } |
249 | |
250 | static void |
251 | touch_init(void) |
252 | { |
253 | DeviceIntRec dev; |
254 | Atom labels[2] = { 0 }; |
255 | int rc; |
256 | SpriteInfoRec sprite; |
257 | ScreenRec screen; |
258 | |
259 | screenInfo.screens[0] = &screen; |
260 | |
261 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
262 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
263 | |
264 | memset(&sprite, 0, sizeof(sprite))__builtin___memset_chk (&sprite, 0, sizeof(sprite), __builtin_object_size (&sprite, 0)); |
265 | dev.spriteInfo = &sprite; |
266 | |
267 | InitAtoms(); |
268 | rc = InitTouchClassDeviceStruct(&dev, 1, XIDirectTouch1, 2); |
269 | assert(rc == FALSE)(__builtin_expect(!(rc == 0), 0) ? __assert_rtn(__func__, "touch.c" , 269, "rc == FALSE") : (void)0); |
270 | |
271 | InitValuatorClassDeviceStruct(&dev, 2, labels, 10, Absolute1); |
272 | rc = InitTouchClassDeviceStruct(&dev, 1, XIDirectTouch1, 2); |
273 | assert(rc == TRUE)(__builtin_expect(!(rc == 1), 0) ? __assert_rtn(__func__, "touch.c" , 273, "rc == TRUE") : (void)0); |
274 | assert(dev.touch)(__builtin_expect(!(dev.touch), 0) ? __assert_rtn(__func__, "touch.c" , 274, "dev.touch") : (void)0); |
275 | |
276 | free(dev.name); |
277 | } |
278 | |
279 | int |
280 | main(int argc, char **argv) |
281 | { |
282 | touch_grow_queue(); |
283 | touch_find_ddxid(); |
284 | touch_begin_ddxtouch(); |
285 | touch_init(); |
286 | touch_begin_touch(); |
287 | |
288 | return 0; |
289 | } |