| 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 | } |