File: | test/touch.c |
Location: | line 202, 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 reallocated and succeeded */ |
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 | |
64 | new_size = size + size / 2 + 1; |
65 | assert(dev.last.num_touches == new_size)(__builtin_expect(!(dev.last.num_touches == new_size), 0) ? __assert_rtn (__func__, "touch.c", 65, "dev.last.num_touches == new_size") : (void)0); |
66 | |
67 | /* make sure we haven't touched those */ |
68 | for (i = 0; i < size; i++) { |
69 | DDXTouchPointInfoPtr t = &dev.last.touches[i]; |
70 | |
71 | assert(t->active == TRUE)(__builtin_expect(!(t->active == 1), 0) ? __assert_rtn(__func__ , "touch.c", 71, "t->active == TRUE") : (void)0); |
72 | assert(t->ddx_id == i)(__builtin_expect(!(t->ddx_id == i), 0) ? __assert_rtn(__func__ , "touch.c", 72, "t->ddx_id == i") : (void)0); |
73 | assert(t->client_id == i * 2)(__builtin_expect(!(t->client_id == i * 2), 0) ? __assert_rtn (__func__, "touch.c", 73, "t->client_id == i * 2") : (void )0); |
74 | } |
75 | |
76 | assert(dev.last.touches[size].active == TRUE)(__builtin_expect(!(dev.last.touches[size].active == 1), 0) ? __assert_rtn(__func__, "touch.c", 76, "dev.last.touches[size].active == TRUE" ) : (void)0); |
77 | assert(dev.last.touches[size].ddx_id == 1234)(__builtin_expect(!(dev.last.touches[size].ddx_id == 1234), 0 ) ? __assert_rtn(__func__, "touch.c", 77, "dev.last.touches[size].ddx_id == 1234" ) : (void)0); |
78 | assert(dev.last.touches[size].client_id == 1)(__builtin_expect(!(dev.last.touches[size].client_id == 1), 0 ) ? __assert_rtn(__func__, "touch.c", 78, "dev.last.touches[size].client_id == 1" ) : (void)0); |
79 | |
80 | /* make sure those are zero-initialized */ |
81 | for (i = size + 1; i < new_size; i++) { |
82 | DDXTouchPointInfoPtr t = &dev.last.touches[i]; |
83 | |
84 | assert(t->active == FALSE)(__builtin_expect(!(t->active == 0), 0) ? __assert_rtn(__func__ , "touch.c", 84, "t->active == FALSE") : (void)0); |
85 | assert(t->client_id == 0)(__builtin_expect(!(t->client_id == 0), 0) ? __assert_rtn( __func__, "touch.c", 85, "t->client_id == 0") : (void)0); |
86 | assert(t->ddx_id == 0)(__builtin_expect(!(t->ddx_id == 0), 0) ? __assert_rtn(__func__ , "touch.c", 86, "t->ddx_id == 0") : (void)0); |
87 | } |
88 | |
89 | free(dev.name); |
90 | } |
91 | |
92 | static void |
93 | touch_find_ddxid(void) |
94 | { |
95 | DeviceIntRec dev; |
96 | DDXTouchPointInfoPtr ti, ti2; |
97 | ValuatorClassRec val; |
98 | TouchClassRec touch; |
99 | int size = 5; |
100 | int i; |
101 | |
102 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
103 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
104 | dev.id = 2; |
105 | dev.valuator = &val; |
106 | val.numAxes = 5; |
107 | dev.touch = &touch; |
108 | dev.last.num_touches = size; |
109 | dev.last.touches = calloc(dev.last.num_touches, sizeof(*dev.last.touches)); |
110 | inputInfo.devices = &dev; |
111 | assert(dev.last.touches)(__builtin_expect(!(dev.last.touches), 0) ? __assert_rtn(__func__ , "touch.c", 111, "dev.last.touches") : (void)0); |
112 | |
113 | dev.last.touches[0].active = TRUE1; |
114 | dev.last.touches[0].ddx_id = 10; |
115 | dev.last.touches[0].client_id = 20; |
116 | |
117 | /* existing */ |
118 | ti = TouchFindByDDXID(&dev, 10, FALSE0); |
119 | assert(ti == &dev.last.touches[0])(__builtin_expect(!(ti == &dev.last.touches[0]), 0) ? __assert_rtn (__func__, "touch.c", 119, "ti == &dev.last.touches[0]") : (void)0); |
120 | |
121 | /* non-existing */ |
122 | ti = TouchFindByDDXID(&dev, 20, FALSE0); |
123 | assert(ti == NULL)(__builtin_expect(!(ti == ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 123, "ti == NULL") : (void)0); |
124 | |
125 | /* Non-active */ |
126 | dev.last.touches[0].active = FALSE0; |
127 | ti = TouchFindByDDXID(&dev, 10, FALSE0); |
128 | assert(ti == NULL)(__builtin_expect(!(ti == ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 128, "ti == NULL") : (void)0); |
129 | |
130 | /* create on number 2 */ |
131 | dev.last.touches[0].active = TRUE1; |
132 | |
133 | ti = TouchFindByDDXID(&dev, 20, TRUE1); |
134 | assert(ti == &dev.last.touches[1])(__builtin_expect(!(ti == &dev.last.touches[1]), 0) ? __assert_rtn (__func__, "touch.c", 134, "ti == &dev.last.touches[1]") : (void)0); |
135 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 135, "ti->active") : (void)0); |
136 | assert(ti->ddx_id == 20)(__builtin_expect(!(ti->ddx_id == 20), 0) ? __assert_rtn(__func__ , "touch.c", 136, "ti->ddx_id == 20") : (void)0); |
137 | |
138 | /* set all to active */ |
139 | for (i = 0; i < size; i++) |
140 | dev.last.touches[i].active = TRUE1; |
141 | |
142 | /* Try to create more, succeed */ |
143 | ti = TouchFindByDDXID(&dev, 30, TRUE1); |
144 | assert(ti != NULL)(__builtin_expect(!(ti != ((void*)0)), 0) ? __assert_rtn(__func__ , "touch.c", 144, "ti != NULL") : (void)0); |
145 | ti2 = TouchFindByDDXID(&dev, 30, TRUE1); |
146 | assert(ti == ti2)(__builtin_expect(!(ti == ti2), 0) ? __assert_rtn(__func__, "touch.c" , 146, "ti == ti2") : (void)0); |
147 | /* make sure we have resized */ |
148 | assert(dev.last.num_touches == 8)(__builtin_expect(!(dev.last.num_touches == 8), 0) ? __assert_rtn (__func__, "touch.c", 148, "dev.last.num_touches == 8") : (void )0); /* EQ grows from 5 to 8 */ |
149 | |
150 | /* stop one touchpoint, try to create, succeed */ |
151 | dev.last.touches[2].active = FALSE0; |
152 | ti = TouchFindByDDXID(&dev, 35, TRUE1); |
153 | assert(ti == &dev.last.touches[2])(__builtin_expect(!(ti == &dev.last.touches[2]), 0) ? __assert_rtn (__func__, "touch.c", 153, "ti == &dev.last.touches[2]") : (void)0); |
154 | ti = TouchFindByDDXID(&dev, 40, TRUE1); |
155 | assert(ti == &dev.last.touches[size+1])(__builtin_expect(!(ti == &dev.last.touches[size+1]), 0) ? __assert_rtn(__func__, "touch.c", 155, "ti == &dev.last.touches[size+1]" ) : (void)0); |
156 | |
157 | free(dev.name); |
158 | } |
159 | |
160 | static void |
161 | touch_begin_ddxtouch(void) |
162 | { |
163 | DeviceIntRec dev; |
164 | DDXTouchPointInfoPtr ti; |
165 | ValuatorClassRec val; |
166 | TouchClassRec touch; |
167 | int ddx_id = 123; |
168 | unsigned int last_client_id = 0; |
169 | int size = 5; |
170 | |
171 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
172 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
173 | dev.id = 2; |
174 | dev.valuator = &val; |
175 | val.numAxes = 5; |
176 | touch.mode = XIDirectTouch1; |
177 | dev.touch = &touch; |
178 | dev.last.num_touches = size; |
179 | dev.last.touches = calloc(dev.last.num_touches, sizeof(*dev.last.touches)); |
180 | inputInfo.devices = &dev; |
181 | assert(dev.last.touches)(__builtin_expect(!(dev.last.touches), 0) ? __assert_rtn(__func__ , "touch.c", 181, "dev.last.touches") : (void)0); |
182 | |
183 | ti = TouchBeginDDXTouch(&dev, ddx_id); |
184 | assert(ti)(__builtin_expect(!(ti), 0) ? __assert_rtn(__func__, "touch.c" , 184, "ti") : (void)0); |
185 | assert(ti->ddx_id == ddx_id)(__builtin_expect(!(ti->ddx_id == ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 185, "ti->ddx_id == ddx_id") : (void )0); |
186 | /* client_id == ddx_id can happen in real life, but not in this test */ |
187 | assert(ti->client_id != ddx_id)(__builtin_expect(!(ti->client_id != ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 187, "ti->client_id != ddx_id") : (void )0); |
188 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 188, "ti->active") : (void)0); |
189 | assert(ti->client_id > last_client_id)(__builtin_expect(!(ti->client_id > last_client_id), 0) ? __assert_rtn(__func__, "touch.c", 189, "ti->client_id > last_client_id" ) : (void)0); |
190 | assert(ti->emulate_pointer)(__builtin_expect(!(ti->emulate_pointer), 0) ? __assert_rtn (__func__, "touch.c", 190, "ti->emulate_pointer") : (void) 0); |
191 | last_client_id = ti->client_id; |
192 | |
193 | ddx_id += 10; |
194 | ti = TouchBeginDDXTouch(&dev, ddx_id); |
195 | assert(ti)(__builtin_expect(!(ti), 0) ? __assert_rtn(__func__, "touch.c" , 195, "ti") : (void)0); |
196 | assert(ti->ddx_id == ddx_id)(__builtin_expect(!(ti->ddx_id == ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 196, "ti->ddx_id == ddx_id") : (void )0); |
197 | /* client_id == ddx_id can happen in real life, but not in this test */ |
198 | assert(ti->client_id != ddx_id)(__builtin_expect(!(ti->client_id != ddx_id), 0) ? __assert_rtn (__func__, "touch.c", 198, "ti->client_id != ddx_id") : (void )0); |
199 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 199, "ti->active") : (void)0); |
200 | assert(ti->client_id > last_client_id)(__builtin_expect(!(ti->client_id > last_client_id), 0) ? __assert_rtn(__func__, "touch.c", 200, "ti->client_id > last_client_id" ) : (void)0); |
201 | assert(!ti->emulate_pointer)(__builtin_expect(!(!ti->emulate_pointer), 0) ? __assert_rtn (__func__, "touch.c", 201, "!ti->emulate_pointer") : (void )0); |
202 | last_client_id = ti->client_id; |
Value stored to 'last_client_id' is never read | |
203 | |
204 | free(dev.name); |
205 | } |
206 | |
207 | static void |
208 | touch_begin_touch(void) |
209 | { |
210 | DeviceIntRec dev; |
211 | TouchClassRec touch; |
212 | ValuatorClassRec val; |
213 | TouchPointInfoPtr ti; |
214 | int touchid = 12434; |
215 | int sourceid = 23; |
216 | SpriteInfoRec sprite; |
217 | ScreenRec screen; |
218 | |
219 | screenInfo.screens[0] = &screen; |
220 | |
221 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
222 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
223 | dev.id = 2; |
224 | |
225 | memset(&sprite, 0, sizeof(sprite))__builtin___memset_chk (&sprite, 0, sizeof(sprite), __builtin_object_size (&sprite, 0)); |
226 | dev.spriteInfo = &sprite; |
227 | |
228 | memset(&touch, 0, sizeof(touch))__builtin___memset_chk (&touch, 0, sizeof(touch), __builtin_object_size (&touch, 0)); |
229 | touch.num_touches = 0; |
230 | |
231 | memset(&val, 0, sizeof(val))__builtin___memset_chk (&val, 0, sizeof(val), __builtin_object_size (&val, 0)); |
232 | dev.valuator = &val; |
233 | val.numAxes = 2; |
234 | |
235 | ti = TouchBeginTouch(&dev, sourceid, touchid, TRUE1); |
236 | assert(!ti)(__builtin_expect(!(!ti), 0) ? __assert_rtn(__func__, "touch.c" , 236, "!ti") : (void)0); |
237 | |
238 | dev.touch = &touch; |
239 | ti = TouchBeginTouch(&dev, sourceid, touchid, TRUE1); |
240 | assert(ti)(__builtin_expect(!(ti), 0) ? __assert_rtn(__func__, "touch.c" , 240, "ti") : (void)0); |
241 | assert(ti->client_id == touchid)(__builtin_expect(!(ti->client_id == touchid), 0) ? __assert_rtn (__func__, "touch.c", 241, "ti->client_id == touchid") : ( void)0); |
242 | assert(ti->active)(__builtin_expect(!(ti->active), 0) ? __assert_rtn(__func__ , "touch.c", 242, "ti->active") : (void)0); |
243 | assert(ti->sourceid == sourceid)(__builtin_expect(!(ti->sourceid == sourceid), 0) ? __assert_rtn (__func__, "touch.c", 243, "ti->sourceid == sourceid") : ( void)0); |
244 | assert(ti->emulate_pointer)(__builtin_expect(!(ti->emulate_pointer), 0) ? __assert_rtn (__func__, "touch.c", 244, "ti->emulate_pointer") : (void) 0); |
245 | |
246 | assert(touch.num_touches == 1)(__builtin_expect(!(touch.num_touches == 1), 0) ? __assert_rtn (__func__, "touch.c", 246, "touch.num_touches == 1") : (void) 0); |
247 | |
248 | free(dev.name); |
249 | } |
250 | |
251 | static void |
252 | touch_init(void) |
253 | { |
254 | DeviceIntRec dev; |
255 | Atom labels[2] = { 0 }; |
256 | int rc; |
257 | SpriteInfoRec sprite; |
258 | ScreenRec screen; |
259 | |
260 | screenInfo.screens[0] = &screen; |
261 | |
262 | memset(&dev, 0, sizeof(dev))__builtin___memset_chk (&dev, 0, sizeof(dev), __builtin_object_size (&dev, 0)); |
263 | dev.name = xnfstrdup("test device")XNFstrdup("test device"); |
264 | |
265 | memset(&sprite, 0, sizeof(sprite))__builtin___memset_chk (&sprite, 0, sizeof(sprite), __builtin_object_size (&sprite, 0)); |
266 | dev.spriteInfo = &sprite; |
267 | |
268 | InitAtoms(); |
269 | rc = InitTouchClassDeviceStruct(&dev, 1, XIDirectTouch1, 2); |
270 | assert(rc == FALSE)(__builtin_expect(!(rc == 0), 0) ? __assert_rtn(__func__, "touch.c" , 270, "rc == FALSE") : (void)0); |
271 | |
272 | InitValuatorClassDeviceStruct(&dev, 2, labels, 10, Absolute1); |
273 | rc = InitTouchClassDeviceStruct(&dev, 1, XIDirectTouch1, 2); |
274 | assert(rc == TRUE)(__builtin_expect(!(rc == 1), 0) ? __assert_rtn(__func__, "touch.c" , 274, "rc == TRUE") : (void)0); |
275 | assert(dev.touch)(__builtin_expect(!(dev.touch), 0) ? __assert_rtn(__func__, "touch.c" , 275, "dev.touch") : (void)0); |
276 | |
277 | free(dev.name); |
278 | } |
279 | |
280 | int |
281 | main(int argc, char **argv) |
282 | { |
283 | touch_grow_queue(); |
284 | touch_find_ddxid(); |
285 | touch_begin_ddxtouch(); |
286 | touch_init(); |
287 | touch_begin_touch(); |
288 | |
289 | return 0; |
290 | } |