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Overview
Comment: | Work around a bug in the definition of "ino_t" on some versions of Android. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
8df492c1711bfea250264fdaa4892e08 |
User & Date: | drh 2016-12-05 20:06:45.078 |
Context
2016-12-05
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20:16 | Fix a harmless redundant local variable declaration in the date/time function logic. (check-in: b4bc40d183 user: drh tags: trunk) | |
20:06 | Work around a bug in the definition of "ino_t" on some versions of Android. (check-in: 8df492c171 user: drh tags: trunk) | |
2016-12-02
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19:07 | Simplify the date/time function logic for improved rebustness and also to decrease the size of the binary. (check-in: 6e144735ed user: drh tags: trunk) | |
Changes
Changes to src/os_unix.c.
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1057 1058 1059 1060 1061 1062 1063 | ** to locate a particular unixInodeInfo object. */ struct unixFileId { dev_t dev; /* Device number */ #if OS_VXWORKS struct vxworksFileId *pId; /* Unique file ID for vxworks. */ #else | > > > > > > > | | 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 | ** to locate a particular unixInodeInfo object. */ struct unixFileId { dev_t dev; /* Device number */ #if OS_VXWORKS struct vxworksFileId *pId; /* Unique file ID for vxworks. */ #else /* We are told that some versions of Android contain a bug that ** sizes ino_t at only 32-bits instead of 64-bits. (See ** https://android-review.googlesource.com/#/c/115351/3/dist/sqlite3.c) ** To work around this, always allocate 64-bits for the inode number. ** On small machines that only have 32-bit inodes, this wastes 4 bytes, ** but that should not be a big deal. */ /* WAS: ino_t ino; */ u64 ino; /* Inode number */ #endif }; /* ** An instance of the following structure is allocated for each open ** inode. Or, on LinuxThreads, there is one of these structures for ** each inode opened by each thread. |
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1302 1303 1304 1305 1306 1307 1308 | #endif memset(&fileId, 0, sizeof(fileId)); fileId.dev = statbuf.st_dev; #if OS_VXWORKS fileId.pId = pFile->pId; #else | | | 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 | #endif memset(&fileId, 0, sizeof(fileId)); fileId.dev = statbuf.st_dev; #if OS_VXWORKS fileId.pId = pFile->pId; #else fileId.ino = (u64)statbuf.st_ino; #endif pInode = inodeList; while( pInode && memcmp(&fileId, &pInode->fileId, sizeof(fileId)) ){ pInode = pInode->pNext; } if( pInode==0 ){ pInode = sqlite3_malloc64( sizeof(*pInode) ); |
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1336 1337 1338 1339 1340 1341 1342 | */ static int fileHasMoved(unixFile *pFile){ #if OS_VXWORKS return pFile->pInode!=0 && pFile->pId!=pFile->pInode->fileId.pId; #else struct stat buf; return pFile->pInode!=0 && | | > | 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 | */ static int fileHasMoved(unixFile *pFile){ #if OS_VXWORKS return pFile->pInode!=0 && pFile->pId!=pFile->pInode->fileId.pId; #else struct stat buf; return pFile->pInode!=0 && (osStat(pFile->zPath, &buf)!=0 || (u64)buf.st_ino!=pFile->pInode->fileId.ino); #endif } /* ** Check a unixFile that is a database. Verify the following: ** |
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5508 5509 5510 5511 5512 5513 5514 | ** not searching for a reusable file descriptor are not dire. */ if( 0==osStat(zPath, &sStat) ){ unixInodeInfo *pInode; unixEnterMutex(); pInode = inodeList; while( pInode && (pInode->fileId.dev!=sStat.st_dev | | | 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 | ** not searching for a reusable file descriptor are not dire. */ if( 0==osStat(zPath, &sStat) ){ unixInodeInfo *pInode; unixEnterMutex(); pInode = inodeList; while( pInode && (pInode->fileId.dev!=sStat.st_dev || pInode->fileId.ino!=(u64)sStat.st_ino) ){ pInode = pInode->pNext; } if( pInode ){ UnixUnusedFd **pp; for(pp=&pInode->pUnused; *pp && (*pp)->flags!=flags; pp=&((*pp)->pNext)); pUnused = *pp; if( pUnused ){ |
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