author | Peter Fordham <peter.fordham@gmail.com> |
Mon, 22 Mar 2010 12:54:15 -0700 | |
branch | CompilerCompatibility |
changeset 11 | 8d1ef0d13f16 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <f32file.h> |
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#include <fcntl.h> |
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#include <errno.h> |
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#include "dbus-bus.h" |
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#include <dbus/config.h> |
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#include <unistd.h> |
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#include <sys/sem.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <sys/types.h> |
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#include "dbus-internals.h" |
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#include <string.h> |
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#include <dbus-userdb.h> |
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#include <dbus-string.h> |
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#include <sys/stat.h> |
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|
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#define SEM_FILE_PATH "c:\\data\\dbus" |
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extern "C" |
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{ |
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int check_lock() |
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{ |
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int fd; |
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TBuf8<30>buf; |
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buf.Copy((const TUint8 *)DBUS_LOCK_FILE); |
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TBuf16<30>buf16; |
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buf16.Copy(buf); |
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if ((fd = open(DBUS_LOCK_FILE, O_EXCL | O_CREAT )) == -1) |
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{ |
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|
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if(errno==EEXIST) |
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{ |
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RFs rf; |
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User::LeaveIfError(rf.Connect()); |
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RFile fds; |
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User::LeaveIfError(fds.Open(rf,buf16,EFileShareAny)); |
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if(fds.Lock(0,10) == KErrNone) //file exists and not locked |
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{ |
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_dbus_verbose ("c:\\data\\dbus\\dbus_lock file exist and is lock-free - dbusdaemon not running\n"); |
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fds.UnLock(0,10); |
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fds.Close(); |
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return 1; |
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} |
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else //file exists and is locked |
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{ |
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_dbus_verbose ("c:\\data\\dbus\\dbus_lock file exist and is locked - dbusdaemon running\n"); |
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fds.Close(); |
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return 0; |
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} |
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} |
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} |
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|
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else //file is created |
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{ |
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_dbus_verbose ("c:\\data\\dbus\\dbus_lock file doesnt exist and is lockfree - dbusdaemon not running\n"); |
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close(fd); |
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return 1; |
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} |
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} |
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|
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int _dbus_semaphore_init() |
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{ |
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|
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union semun sem_val; |
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int sem_set_id,perm; |
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int proj_id = 100; |
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key_t fkey; |
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struct stat sb; |
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if(stat (SEM_FILE_PATH, &sb)<0) |
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{ |
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_dbus_verbose ("c:\\data\\dbus directory doesnt exist\n"); |
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if(mkdir(SEM_FILE_PATH , 0666) < 0 ) |
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{ |
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_dbus_verbose ("failed to create c:\\data\\dbus directory\n"); |
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return -1; |
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} |
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} |
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99 |
|
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if ((fkey = ftok(SEM_FILE_PATH, proj_id)) == -1) { |
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_dbus_verbose ("ftok() failed with error : %d\n",errno); |
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return FALSE; |
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} |
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|
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105 |
|
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parents:
diff
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|
106 |
perm = SEM_R | SEM_A | SEM_A>>6 | SEM_R>>6; |
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parents:
diff
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|
107 |
|
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diff
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|
108 |
|
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parents:
diff
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|
109 |
if(((sem_set_id = semget(fkey, 1, perm)))== -1) { |
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diff
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|
110 |
if((sem_set_id = semget(fkey, 1, IPC_CREAT | perm))==-1) |
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diff
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|
111 |
{ |
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|
112 |
_dbus_verbose ("Failed to create the semaphore with error : %d\n",errno); |
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|
113 |
return FALSE; |
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|
114 |
} |
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|
115 |
} |
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|
116 |
else |
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|
117 |
return sem_set_id; |
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diff
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|
118 |
|
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|
119 |
_dbus_verbose ("semaphore created successfully with key : %d\n",fkey); |
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|
120 |
|
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|
121 |
sem_val.array = NULL; |
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|
122 |
sem_val.buf = NULL; |
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|
123 |
sem_val.val = 1; |
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|
124 |
|
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|
125 |
if(semctl(sem_set_id, 0, SETVAL, sem_val) == -1) { |
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|
126 |
_dbus_verbose ("Failed to initialize the semaphore with error : %d\n",errno); |
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|
127 |
|
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|
128 |
if(semctl(sem_set_id, 1, IPC_RMID) == -1) { |
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|
129 |
_dbus_verbose ("Failed to delete the semaphore with error : %d\n",errno); |
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|
130 |
} |
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|
131 |
return FALSE; |
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|
132 |
} |
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|
133 |
|
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|
134 |
_dbus_verbose ("semaphore value successfully initialized to 1\n"); |
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|
135 |
|
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|
136 |
return sem_set_id; |
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|
137 |
} |
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diff
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|
138 |
|
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|
139 |
int _dbus_semaphore_dec() |
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|
140 |
{ |
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|
141 |
|
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|
142 |
struct sembuf sem_op; |
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Revision: 201002
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|
143 |
/* |
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Revision: 201002
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|
144 |
* Wait on the semaphore till the value is non-negative. |
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|
145 |
*/ |
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|
146 |
int sem_set_id; |
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|
147 |
|
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|
148 |
sem_set_id = _dbus_semaphore_init(); |
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|
149 |
|
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|
150 |
if(sem_set_id == FALSE) |
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|
151 |
return FALSE; |
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diff
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|
152 |
|
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|
153 |
sem_op.sem_num = 0; |
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|
154 |
sem_op.sem_op = -1; |
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|
155 |
sem_op.sem_flg = 0; |
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|
156 |
if( semop(sem_set_id, &sem_op, 1) <0) |
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|
157 |
{ |
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|
158 |
_dbus_verbose ("Failed to decrement the semaphore with error : %d\n",errno); |
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|
159 |
return FALSE; |
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|
160 |
} |
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|
161 |
|
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parents:
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|
162 |
_dbus_verbose ("semaphore value decremented by 1\n"); |
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Revision: 201002
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|
163 |
return TRUE; |
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diff
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|
164 |
} |
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diff
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|
165 |
|
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parents:
diff
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|
166 |
|
e4d67989cc36
Revision: 201002
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parents:
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|
167 |
int _dbus_semaphore_inc() |
e4d67989cc36
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|
168 |
{ |
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diff
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|
169 |
|
e4d67989cc36
Revision: 201002
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|
170 |
struct sembuf sem_op; |
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Revision: 201002
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parents:
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|
171 |
int sem_set_id; |
e4d67989cc36
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diff
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|
172 |
|
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parents:
diff
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|
173 |
sem_set_id = _dbus_semaphore_init(); |
e4d67989cc36
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parents:
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|
174 |
sem_op.sem_num = 0; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
175 |
sem_op.sem_op = 1; |
e4d67989cc36
Revision: 201002
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parents:
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|
176 |
sem_op.sem_flg = 0; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
177 |
if(semop(sem_set_id, &sem_op, 1)<0) |
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Revision: 201002
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|
178 |
{ |
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Revision: 201002
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parents:
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|
179 |
_dbus_verbose ("Failed to increment the semaphore with error : %d\n",errno); |
e4d67989cc36
Revision: 201002
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|
180 |
return FALSE; |
e4d67989cc36
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parents:
diff
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|
181 |
} |
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parents:
diff
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|
182 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
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|
183 |
_dbus_verbose ("semaphore value incremented by 1\n"); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
184 |
return TRUE; |
e4d67989cc36
Revision: 201002
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diff
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|
185 |
} |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
186 |
int dbus_create_private_directory(const char* dir) |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
187 |
{ |
e4d67989cc36
Revision: 201002
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|
188 |
RFs fs; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
189 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
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|
190 |
if(mkdir(dir,0666) < 0) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
191 |
return FALSE; |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
192 |
|
e4d67989cc36
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diff
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|
193 |
return TRUE;; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
194 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
195 |
int _dbus_file_open_and_write(unsigned const char* sid_directory) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
196 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
197 |
TBuf8<100>Filename8 = _L8("C:\\private\\"); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
198 |
struct stat sb; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
199 |
Filename8.Append(sid_directory,strlen((const char*)sid_directory)); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
200 |
if(stat ((const char*)Filename8.PtrZ(), &sb)<0) |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
201 |
{ |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
202 |
_dbus_verbose ("c:\\private\\<SID> directory doesnt exist\n"); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
if(!dbus_create_private_directory((const char*)Filename8.PtrZ())) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
204 |
return FALSE; |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
205 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
206 |
Filename8.Append(_L8("\\foobar_")); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
207 |
Filename8.Append(sid_directory,strlen((const char*)sid_directory)); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
208 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
209 |
TBuf16<100>Filename16; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
210 |
Filename16.Copy(Filename8); |
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|
211 |
|
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212 |
RFs fs; |
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if(fs.Connect()!= KErrNone) |
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214 |
{ |
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|
215 |
return FALSE; |
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} |
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|
217 |
|
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RFile file; |
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|
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if(file.Replace(fs,Filename16,EFileWrite) != KErrNone) |
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220 |
{ |
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fs.Close(); |
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|
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return FALSE; |
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223 |
} |
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|
224 |
if(file.SetAtt(KEntryAttHidden,0) != KErrNone) |
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|
225 |
{ |
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|
226 |
file.Close(); |
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|
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fs.Close(); |
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|
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return FALSE; |
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229 |
} |
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if((file.Flush())!=KErrNone) |
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|
231 |
{ |
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|
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file.Close(); |
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fs.Close(); |
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return FALSE; |
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|
235 |
} |
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|
236 |
|
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|
237 |
file.Close(); |
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|
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fs.Close(); |
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|
239 |
|
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return TRUE; |
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241 |
} |
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|
242 |
|
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243 |
int _dbus_file_open_for_write(const unsigned char* data) |
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244 |
{ |
11
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|
245 |
const DBusString *homedir; |
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|
246 |
|
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247 |
// getting the private or homedir directory of the process |
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248 |
if(!_dbus_homedir_from_current_process(&homedir)) |
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249 |
return FALSE; |
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|
250 |
|
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251 |
const unsigned char* sid_directory; |
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252 |
DBusString dirname; |
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253 |
//*(char*)(homedir->dummy1) = 'C'; |
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254 |
if(!_dbus_string_init(&dirname)) |
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|
255 |
return FALSE; |
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|
256 |
|
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|
257 |
_dbus_string_copy(homedir,0,&dirname,0); |
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|
258 |
*(char*)(dirname.dummy1) = 'C'; |
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|
259 |
|
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260 |
//sid_directory = (const unsigned char*)_dbus_string_get_const_data(homedir); |
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|
261 |
sid_directory = (const unsigned char*)_dbus_string_get_const_data(&dirname); |
0
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|
262 |
|
11
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|
263 |
TBuf8<100>Filename8; |
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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|
264 |
Filename8.Append(sid_directory,strlen((const char*)sid_directory)); |
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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|
265 |
Filename8.Append(_L8("\\foobar_")); |
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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|
266 |
Filename8.Append(sid_directory + 11,strlen((const char*)sid_directory + 11)); |
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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|
267 |
|
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|
268 |
TBuf16<50>Filename16; |
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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|
269 |
Filename16.Copy(Filename8); |
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|
270 |
|
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|
271 |
RFs fs; |
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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|
272 |
User::LeaveIfError(fs.Connect()); |
8d1ef0d13f16
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|
273 |
|
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|
274 |
RFile file; |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
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parents:
0
diff
changeset
|
275 |
|
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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0
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|
276 |
User::LeaveIfError(file.Open(fs,Filename16,EFileRead)); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
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parents:
0
diff
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|
277 |
file.Close(); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
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parents:
0
diff
changeset
|
278 |
|
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Bug 1697 - Restructed function control flow to aviod branching across initialization.
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0
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|
279 |
User::LeaveIfError(file.Open(fs,Filename16,EFileWrite)); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
changeset
|
280 |
|
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
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0
diff
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|
281 |
TBuf8<100>pid_data(data); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
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parents:
0
diff
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|
282 |
User::LeaveIfError(file.Write(pid_data)); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
changeset
|
283 |
|
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
changeset
|
284 |
_dbus_string_free(&dirname); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
changeset
|
285 |
file.Close(); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
changeset
|
286 |
fs.Close(); |
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
changeset
|
287 |
|
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
parents:
0
diff
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|
288 |
return TRUE; |
0
e4d67989cc36
Revision: 201002
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|
289 |
} |
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Revision: 201002
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|
290 |
|
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|
291 |
int _dbus_open_file_for_read(const unsigned char* pid,const unsigned char* hash,const unsigned char* sid_directory) |
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|
292 |
{ |
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|
293 |
|
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|
294 |
dbus_bool_t retval; |
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|
295 |
retval = FALSE; |
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|
296 |
|
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|
297 |
TBuf8<100>Filename8 = _L8("c:\\private\\"); |
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Revision: 201002
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|
298 |
Filename8.Append(sid_directory,strlen((const char*)sid_directory)); |
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Revision: 201002
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|
299 |
//Filename8.Append(_L8("\\foobar")); |
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|
300 |
Filename8.Append(_L8("\\foobar_")); |
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Revision: 201002
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parents:
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|
301 |
Filename8.Append(sid_directory,strlen((const char*)sid_directory)); |
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diff
changeset
|
302 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
303 |
TBuf16<100>Filename16; |
e4d67989cc36
Revision: 201002
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parents:
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|
304 |
Filename16.Copy(Filename8); |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
305 |
|
e4d67989cc36
Revision: 201002
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diff
changeset
|
306 |
RFs fs; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
307 |
if(fs.Connect()!=KErrNone) |
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Revision: 201002
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|
308 |
{ |
e4d67989cc36
Revision: 201002
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changeset
|
309 |
return FALSE; |
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Revision: 201002
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|
310 |
} |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
311 |
|
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Revision: 201002
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parents:
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|
312 |
RFile file; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
313 |
if(file.Open(fs,Filename16,EFileRead) != KErrNone) |
e4d67989cc36
Revision: 201002
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|
314 |
{ |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
315 |
fs.Close(); |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
316 |
return FALSE; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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} |
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|
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TBuf8<200>read_data; |
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if(file.Read(read_data) != KErrNone) |
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{ |
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fs.Close(); |
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return FALSE; |
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} |
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|
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char read_buffer[200] = ""; |
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strcpy(read_buffer,(char*)read_data.PtrZ()); |
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|
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char provided_data[200] = ""; |
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strcpy(provided_data,(char*)pid); |
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strcat(provided_data," "); |
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strcat(provided_data,(char*)hash); |
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|
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if(strcmp(provided_data,read_buffer)) |
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{ |
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goto out_0; |
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} |
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|
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|
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|
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retval = TRUE; |
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|
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out_0 : |
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file.Close(); |
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fs.Delete(Filename16); |
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fs.Close(); |
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347 |
|
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return retval; |
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349 |
} |
11
8d1ef0d13f16
Bug 1697 - Restructed function control flow to aviod branching across initialization.
Peter Fordham <peter.fordham@gmail.com>
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0
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350 |
} //end extern"C" |