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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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136 // Opens a file. | 136 // Opens a file. |
137 // | 137 // |
138 // vfs - pointer to the sqlite3_vfs object. | 138 // vfs - pointer to the sqlite3_vfs object. |
139 // fileName - the name of the file. | 139 // fileName - the name of the file. |
140 // id - the structure that will manipulate the newly opened file. | 140 // id - the structure that will manipulate the newly opened file. |
141 // desiredFlags - the desired open mode flags. | 141 // desiredFlags - the desired open mode flags. |
142 // usedFlags - the actual open mode flags that were used. | 142 // usedFlags - the actual open mode flags that were used. |
143 int chromiumOpenInternal(sqlite3_vfs* vfs, const char* fileName, sqlite3_file* i
d, int desiredFlags, int* usedFlags) | 143 int chromiumOpenInternal(sqlite3_vfs* vfs, const char* fileName, sqlite3_file* i
d, int desiredFlags, int* usedFlags) |
144 { | 144 { |
145 chromium_sqlite3_initialize_unix_sqlite3_file(id); | 145 chromium_sqlite3_initialize_unix_sqlite3_file(id); |
146 int fd = -1; | 146 int fd = Platform::current()->databaseOpenFile(String(fileName), desiredFlag
s); |
147 int result = chromium_sqlite3_get_reusable_file_handle(id, fileName, desired
Flags, &fd); | 147 if ((fd < 0) && (desiredFlags & SQLITE_OPEN_READWRITE)) { |
148 if (result != SQLITE_OK) | 148 int newFlags = (desiredFlags & ~(SQLITE_OPEN_READWRITE | SQLITE_OPEN_CRE
ATE)) | SQLITE_OPEN_READONLY; |
149 return result; | 149 fd = Platform::current()->databaseOpenFile(String(fileName), newFlags); |
150 | |
151 if (fd < 0) { | |
152 fd = Platform::current()->databaseOpenFile(String(fileName), desiredFlag
s); | |
153 if ((fd < 0) && (desiredFlags & SQLITE_OPEN_READWRITE)) { | |
154 int newFlags = (desiredFlags & ~(SQLITE_OPEN_READWRITE | SQLITE_OPEN
_CREATE)) | SQLITE_OPEN_READONLY; | |
155 fd = Platform::current()->databaseOpenFile(String(fileName), newFlag
s); | |
156 } | |
157 } | 150 } |
158 if (fd < 0) { | 151 if (fd < 0) { |
159 chromium_sqlite3_destroy_reusable_file_handle(id); | 152 chromium_sqlite3_destroy_reusable_file_handle(id); |
160 return SQLITE_CANTOPEN; | 153 return SQLITE_CANTOPEN; |
161 } | 154 } |
162 | 155 |
163 if (usedFlags) | 156 if (usedFlags) |
164 *usedFlags = desiredFlags; | 157 *usedFlags = desiredFlags; |
165 chromium_sqlite3_update_reusable_file_handle(id, fd, desiredFlags); | 158 chromium_sqlite3_update_reusable_file_handle(id, fd, desiredFlags); |
166 | 159 |
167 fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); | 160 fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
168 | 161 |
169 // The mask 0x00007F00 gives us the 7 bits that determine the type of the fi
le SQLite is trying to open. | 162 // The mask 0x00007F00 gives us the 7 bits that determine the type of the fi
le SQLite is trying to open. |
170 int fileType = desiredFlags & 0x00007F00; | 163 int fileType = desiredFlags & 0x00007F00; |
171 int noLock = (fileType != SQLITE_OPEN_MAIN_DB); | 164 int noLock = (fileType != SQLITE_OPEN_MAIN_DB); |
172 sqlite3_vfs* wrappedVfs = static_cast<sqlite3_vfs*>(vfs->pAppData); | 165 sqlite3_vfs* wrappedVfs = static_cast<sqlite3_vfs*>(vfs->pAppData); |
173 result = chromium_sqlite3_fill_in_unix_sqlite3_file(wrappedVfs, fd, -1, id,
fileName, noLock); | 166 int result = chromium_sqlite3_fill_in_unix_sqlite3_file(wrappedVfs, fd, -1,
id, fileName, noLock); |
174 if (result != SQLITE_OK) | 167 if (result != SQLITE_OK) |
175 chromium_sqlite3_destroy_reusable_file_handle(id); | 168 chromium_sqlite3_destroy_reusable_file_handle(id); |
176 return result; | 169 return result; |
177 } | 170 } |
178 | 171 |
179 int chromiumOpen(sqlite3_vfs* vfs, const char* fileName, sqlite3_file* id, int d
esiredFlags, int* usedFlags) | 172 int chromiumOpen(sqlite3_vfs* vfs, const char* fileName, sqlite3_file* id, int d
esiredFlags, int* usedFlags) |
180 { | 173 { |
181 sqlite3_vfs* wrappedVfs = static_cast<sqlite3_vfs*>(vfs->pAppData); | 174 sqlite3_vfs* wrappedVfs = static_cast<sqlite3_vfs*>(vfs->pAppData); |
182 sqlite3_file* wrappedFile = static_cast<sqlite3_file*>(sqlite3_malloc(wrappe
dVfs->szOsFile)); | 175 sqlite3_file* wrappedFile = static_cast<sqlite3_file*>(sqlite3_malloc(wrappe
dVfs->szOsFile)); |
183 if (!wrappedFile) | 176 if (!wrappedFile) |
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344 chromiumDlClose, | 337 chromiumDlClose, |
345 chromiumRandomness, | 338 chromiumRandomness, |
346 chromiumSleep, | 339 chromiumSleep, |
347 chromiumCurrentTime, | 340 chromiumCurrentTime, |
348 chromiumGetLastError | 341 chromiumGetLastError |
349 }; | 342 }; |
350 sqlite3_vfs_register(&chromium_vfs, 0); | 343 sqlite3_vfs_register(&chromium_vfs, 0); |
351 } | 344 } |
352 | 345 |
353 } // namespace blink | 346 } // namespace blink |
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