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Overview
| Comment: | Use _commit() rather than FlushFileBuffers() as a substitute for fsync() on windows. Also cast for C++ and add support for SQLITE_FCNTL_VFSNAME. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | quota-stdio |
| Files: | files | file ages | folders |
| SHA1: |
e85cfe9a17a2943ee0cf7915451ff6cc |
| User & Date: | drh 2011-12-15 17:42:35 |
Context
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2011-12-15
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| 17:44 | Add stdio support to the quota VFS. check-in: 322bd15f user: drh tags: trunk | |
| 17:42 | Use _commit() rather than FlushFileBuffers() as a substitute for fsync() on windows. Also cast for C++ and add support for SQLITE_FCNTL_VFSNAME. Closed-Leaf check-in: e85cfe9a user: drh tags: quota-stdio | |
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2011-12-14
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| 00:04 | Harden the utf8-to-mbcs converter in the quota module against failures. check-in: 1cda511d user: drh tags: quota-stdio | |
Changes
Changes to src/test_quota.c.
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#endif #if SQLITE_OS_UNIX # include <unistd.h> #endif #if SQLITE_OS_WIN # include <windows.h> #endif /* ** Translate UTF8 to MBCS for use in fopen() calls. Return a pointer to the ** translated text.. Call quota_mbcs_free() to deallocate any memory ** used to store the returned pointer when done. */ ................................................................................ LPWSTR zTmpWide; /* The UTF16 text */ char *zMbcs; /* The MBCS text */ int codepage; /* Code page used by fopen() */ n = strlen(zUtf8); nWide = MultiByteToWideChar(CP_UTF8, 0, zUtf8, -1, NULL, 0); if( nWide==0 ) return 0; zTmpWide = sqlite3_malloc( (nWide+1)*sizeof(zTmpWide[0]) ); if( zTmpWide==0 ) return 0; MultiByteToWideChar(CP_UTF8, 0, zUtf8, -1, zTmpWide, nWide); codepage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; nMbcs = WideCharToMultiByte(codepage, 0, zTmpWide, nWide, 0, 0, 0, 0); zMbcs = nMbcs ? sqlite3_malloc( nMbcs+1 ) : 0; if( zMbcs ){ WideCharToMultiByte(codepage, 0, zTmpWide, nWide, zMbcs, nMbcs, 0, 0); } sqlite3_free(zTmpWide); return zMbcs; #else return (char*)zUtf8; /* No-op on unix */ ................................................................................ return pSubOpen->pMethods->xCheckReservedLock(pSubOpen, pResOut); } /* Pass xFileControl requests through to the original VFS unchanged. */ static int quotaFileControl(sqlite3_file *pConn, int op, void *pArg){ sqlite3_file *pSubOpen = quotaSubOpen(pConn); return pSubOpen->pMethods->xFileControl(pSubOpen, op, pArg); } /* Pass xSectorSize requests through to the original VFS unchanged. */ static int quotaSectorSize(sqlite3_file *pConn){ sqlite3_file *pSubOpen = quotaSubOpen(pConn); return pSubOpen->pMethods->xSectorSize(pSubOpen); ................................................................................ int rc; rc = fflush(p->f); if( rc==0 && doFsync ){ #if SQLITE_OS_UNIX rc = fsync(fileno(p->f)); #endif #if SQLITE_OS_WIN rc = 0==FlushFileBuffers((HANDLE)_fileno(p->f)); #endif } return rc; } /* ** Seek on a quota_FILE stream. */ int sqlite3_quota_fseek(quota_FILE *p, long offset, int whence){ return fseek(p->f, offset, whence); |
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#endif #if SQLITE_OS_UNIX # include <unistd.h> #endif #if SQLITE_OS_WIN # include <windows.h> # include <io.h> #endif /* ** Translate UTF8 to MBCS for use in fopen() calls. Return a pointer to the ** translated text.. Call quota_mbcs_free() to deallocate any memory ** used to store the returned pointer when done. */ ................................................................................ LPWSTR zTmpWide; /* The UTF16 text */ char *zMbcs; /* The MBCS text */ int codepage; /* Code page used by fopen() */ n = strlen(zUtf8); nWide = MultiByteToWideChar(CP_UTF8, 0, zUtf8, -1, NULL, 0); if( nWide==0 ) return 0; zTmpWide = (LPWSTR)sqlite3_malloc( (nWide+1)*sizeof(zTmpWide[0]) ); if( zTmpWide==0 ) return 0; MultiByteToWideChar(CP_UTF8, 0, zUtf8, -1, zTmpWide, nWide); codepage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; nMbcs = WideCharToMultiByte(codepage, 0, zTmpWide, nWide, 0, 0, 0, 0); zMbcs = nMbcs ? (char*)sqlite3_malloc( nMbcs+1 ) : 0; if( zMbcs ){ WideCharToMultiByte(codepage, 0, zTmpWide, nWide, zMbcs, nMbcs, 0, 0); } sqlite3_free(zTmpWide); return zMbcs; #else return (char*)zUtf8; /* No-op on unix */ ................................................................................ return pSubOpen->pMethods->xCheckReservedLock(pSubOpen, pResOut); } /* Pass xFileControl requests through to the original VFS unchanged. */ static int quotaFileControl(sqlite3_file *pConn, int op, void *pArg){ sqlite3_file *pSubOpen = quotaSubOpen(pConn); int rc = pSubOpen->pMethods->xFileControl(pSubOpen, op, pArg); #if defined(SQLITE_FCNTL_VFSNAME) if( op==SQLITE_FCNTL_VFSNAME && rc==SQLITE_OK ){ *(char**)pArg = sqlite3_mprintf("quota/%z", *(char**)pArg); } #endif return rc; } /* Pass xSectorSize requests through to the original VFS unchanged. */ static int quotaSectorSize(sqlite3_file *pConn){ sqlite3_file *pSubOpen = quotaSubOpen(pConn); return pSubOpen->pMethods->xSectorSize(pSubOpen); ................................................................................ int rc; rc = fflush(p->f); if( rc==0 && doFsync ){ #if SQLITE_OS_UNIX rc = fsync(fileno(p->f)); #endif #if SQLITE_OS_WIN rc = _commit(_fileno(p->f)); #endif } return rc!=0; } /* ** Seek on a quota_FILE stream. */ int sqlite3_quota_fseek(quota_FILE *p, long offset, int whence){ return fseek(p->f, offset, whence); |