| File: | Xi/getselev.c |
| Location: | line 135, column 31 |
| Description: | Call to 'malloc' has an allocation size of 0 bytes |
| 1 | /************************************************************ | |||
| 2 | ||||
| 3 | Copyright 1989, 1998 The Open Group | |||
| 4 | ||||
| 5 | Permission to use, copy, modify, distribute, and sell this software and its | |||
| 6 | documentation for any purpose is hereby granted without fee, provided that | |||
| 7 | the above copyright notice appear in all copies and that both that | |||
| 8 | copyright notice and this permission notice appear in supporting | |||
| 9 | documentation. | |||
| 10 | ||||
| 11 | The above copyright notice and this permission notice shall be included in | |||
| 12 | all copies or substantial portions of the Software. | |||
| 13 | ||||
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
| 20 | ||||
| 21 | Except as contained in this notice, the name of The Open Group shall not be | |||
| 22 | used in advertising or otherwise to promote the sale, use or other dealings | |||
| 23 | in this Software without prior written authorization from The Open Group. | |||
| 24 | ||||
| 25 | Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. | |||
| 26 | ||||
| 27 | All Rights Reserved | |||
| 28 | ||||
| 29 | Permission to use, copy, modify, and distribute this software and its | |||
| 30 | documentation for any purpose and without fee is hereby granted, | |||
| 31 | provided that the above copyright notice appear in all copies and that | |||
| 32 | both that copyright notice and this permission notice appear in | |||
| 33 | supporting documentation, and that the name of Hewlett-Packard not be | |||
| 34 | used in advertising or publicity pertaining to distribution of the | |||
| 35 | software without specific, written prior permission. | |||
| 36 | ||||
| 37 | HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
| 38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
| 39 | HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |||
| 40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |||
| 41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |||
| 42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |||
| 43 | SOFTWARE. | |||
| 44 | ||||
| 45 | ********************************************************/ | |||
| 46 | ||||
| 47 | /*********************************************************************** | |||
| 48 | * | |||
| 49 | * Extension function to get the current selected events for a given window. | |||
| 50 | * | |||
| 51 | */ | |||
| 52 | ||||
| 53 | #ifdef HAVE_DIX_CONFIG_H1 | |||
| 54 | #include <dix-config.h> | |||
| 55 | #endif | |||
| 56 | ||||
| 57 | #include <X11/extensions/XI.h> | |||
| 58 | #include <X11/extensions/XIproto.h> | |||
| 59 | #include "inputstr.h" /* DeviceIntPtr */ | |||
| 60 | #include "windowstr.h" /* window struct */ | |||
| 61 | #include "exglobals.h" | |||
| 62 | #include "swaprep.h" | |||
| 63 | ||||
| 64 | #include "getprop.h" | |||
| 65 | #include "getselev.h" | |||
| 66 | ||||
| 67 | /*********************************************************************** | |||
| 68 | * | |||
| 69 | * This procedure gets the current selected extension events. | |||
| 70 | * | |||
| 71 | */ | |||
| 72 | ||||
| 73 | int | |||
| 74 | SProcXGetSelectedExtensionEvents(ClientPtr client) | |||
| 75 | { | |||
| 76 | REQUEST(xGetSelectedExtensionEventsReq)xGetSelectedExtensionEventsReq *stuff = (xGetSelectedExtensionEventsReq *)client->requestBuffer; | |||
| 77 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 78 | REQUEST_SIZE_MATCH(xGetSelectedExtensionEventsReq)if ((sizeof(xGetSelectedExtensionEventsReq) >> 2) != client ->req_len) return(16); | |||
| 79 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
| 80 | return (ProcXGetSelectedExtensionEvents(client)); | |||
| ||||
| 81 | } | |||
| 82 | ||||
| 83 | /*********************************************************************** | |||
| 84 | * | |||
| 85 | * This procedure gets the current device select mask, | |||
| 86 | * if the client and server have a different byte ordering. | |||
| 87 | * | |||
| 88 | */ | |||
| 89 | ||||
| 90 | int | |||
| 91 | ProcXGetSelectedExtensionEvents(ClientPtr client) | |||
| 92 | { | |||
| 93 | int i, rc, total_length = 0; | |||
| 94 | xGetSelectedExtensionEventsReply rep; | |||
| 95 | WindowPtr pWin; | |||
| 96 | XEventClass *buf = NULL((void*)0); | |||
| 97 | XEventClass *tclient; | |||
| 98 | XEventClass *aclient; | |||
| 99 | OtherInputMasks *pOthers; | |||
| 100 | InputClientsPtr others; | |||
| 101 | ||||
| 102 | REQUEST(xGetSelectedExtensionEventsReq)xGetSelectedExtensionEventsReq *stuff = (xGetSelectedExtensionEventsReq *)client->requestBuffer; | |||
| 103 | REQUEST_SIZE_MATCH(xGetSelectedExtensionEventsReq)if ((sizeof(xGetSelectedExtensionEventsReq) >> 2) != client ->req_len) return(16); | |||
| 104 | ||||
| 105 | rep = (xGetSelectedExtensionEventsReply) { | |||
| 106 | .repType = X_Reply1, | |||
| 107 | .RepType = X_GetSelectedExtensionEvents7, | |||
| 108 | .sequenceNumber = client->sequence, | |||
| 109 | .length = 0, | |||
| 110 | .this_client_count = 0, | |||
| 111 | .all_clients_count = 0 | |||
| 112 | }; | |||
| 113 | ||||
| 114 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
| 115 | if (rc != Success0) | |||
| 116 | return rc; | |||
| 117 | ||||
| 118 | if ((pOthers = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) != 0) { | |||
| 119 | for (others = pOthers->inputClients; others; others = others->next) | |||
| 120 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | |||
| 121 | ClassFromMask(NULL((void*)0), others->mask[i], i, | |||
| 122 | &rep.all_clients_count, COUNT0); | |||
| 123 | ||||
| 124 | for (others = pOthers->inputClients; others; others = others->next) | |||
| 125 | if (SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { | |||
| 126 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | |||
| 127 | ClassFromMask(NULL((void*)0), others->mask[i], i, | |||
| 128 | &rep.this_client_count, COUNT0); | |||
| 129 | break; | |||
| 130 | } | |||
| 131 | ||||
| 132 | total_length = (rep.all_clients_count + rep.this_client_count) * | |||
| 133 | sizeof(XEventClass); | |||
| 134 | rep.length = bytes_to_int32(total_length); | |||
| 135 | buf = (XEventClass *) malloc(total_length); | |||
| ||||
| 136 | ||||
| 137 | tclient = buf; | |||
| 138 | aclient = buf + rep.this_client_count; | |||
| 139 | if (others) | |||
| 140 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | |||
| 141 | tclient = | |||
| 142 | ClassFromMask(tclient, others->mask[i], i, NULL((void*)0), CREATE1); | |||
| 143 | ||||
| 144 | for (others = pOthers->inputClients; others; others = others->next) | |||
| 145 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | |||
| 146 | aclient = | |||
| 147 | ClassFromMask(aclient, others->mask[i], i, NULL((void*)0), CREATE1); | |||
| 148 | } | |||
| 149 | ||||
| 150 | WriteReplyToClient(client, sizeof(xGetSelectedExtensionEventsReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetSelectedExtensionEventsReply )), &rep); else WriteToClient(client, (int)(sizeof(xGetSelectedExtensionEventsReply )), (&rep)); }; | |||
| 151 | ||||
| 152 | if (total_length) { | |||
| 153 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |||
| 154 | WriteSwappedDataToClient(client, total_length, buf)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(total_length), buf); else WriteToClient(client, (int) (total_length), (buf));; | |||
| 155 | } | |||
| 156 | free(buf); | |||
| 157 | return Success0; | |||
| 158 | } | |||
| 159 | ||||
| 160 | /*********************************************************************** | |||
| 161 | * | |||
| 162 | * This procedure writes the reply for the XGetSelectedExtensionEvents function, | |||
| 163 | * if the client and server have a different byte ordering. | |||
| 164 | * | |||
| 165 | */ | |||
| 166 | ||||
| 167 | void | |||
| 168 | SRepXGetSelectedExtensionEvents(ClientPtr client, int size, | |||
| 169 | xGetSelectedExtensionEventsReply * rep) | |||
| 170 | { | |||
| 171 | swaps(&rep->sequenceNumber)do { if (sizeof(*(&rep->sequenceNumber)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep->sequenceNumber ) & 1) && ((uintptr_t)(&rep->sequenceNumber ) & 1) == 0) *(&rep->sequenceNumber) = lswaps(*(& rep->sequenceNumber)); else swap_uint16((uint16_t *)(& rep->sequenceNumber)); } while (0); | |||
| 172 | swapl(&rep->length)do { if (sizeof(*(&rep->length)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep->length) & 3) && ((uintptr_t)(&rep->length) & 3) == 0 ) *(&rep->length) = lswapl(*(&rep->length)); else swap_uint32((uint32_t *)(&rep->length)); } while (0); | |||
| 173 | swaps(&rep->this_client_count)do { if (sizeof(*(&rep->this_client_count)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep->this_client_count ) & 1) && ((uintptr_t)(&rep->this_client_count ) & 1) == 0) *(&rep->this_client_count) = lswaps(* (&rep->this_client_count)); else swap_uint16((uint16_t *)(&rep->this_client_count)); } while (0); | |||
| 174 | swaps(&rep->all_clients_count)do { if (sizeof(*(&rep->all_clients_count)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep->all_clients_count ) & 1) && ((uintptr_t)(&rep->all_clients_count ) & 1) == 0) *(&rep->all_clients_count) = lswaps(* (&rep->all_clients_count)); else swap_uint16((uint16_t *)(&rep->all_clients_count)); } while (0); | |||
| 175 | WriteToClient(client, size, rep); | |||
| 176 | } |