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 | } |