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Overview
Comment: | Omit all ANSI APIs for winRT. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | winrt |
Files: | files | file ages | folders |
SHA1: |
cbf23b461f599d0b025c0f42dd3189cf |
User & Date: | drh 2012-03-02 00:00:47.578 |
Context
2012-03-02
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13:47 | Add new Win32 APIs used to the system call table. Add error handling code for SetFilePointerEx. Make sure the last error number is saved from the call to GetFileInformationByHandleEx. (check-in: a782d2dc3c user: mistachkin tags: winrt) | |
00:00 | Omit all ANSI APIs for winRT. (check-in: cbf23b461f user: drh tags: winrt) | |
2012-03-01
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22:44 | Use GetInformationByHandleEx() instead of GetFileSize() on winRT. (check-in: 119f251de7 user: drh tags: winrt) | |
Changes
Changes to src/os_win.c.
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164 165 166 167 168 169 170 | */ #ifdef SQLITE_TEST int sqlite3_os_type = 0; #else static int sqlite3_os_type = 0; #endif | | | 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | */ #ifdef SQLITE_TEST int sqlite3_os_type = 0; #else static int sqlite3_os_type = 0; #endif #if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT # define SQLITE_WIN32_HAS_ANSI #endif #if SQLITE_OS_WINCE || SQLITE_OS_WINNT || SQLITE_OS_WINRT # define SQLITE_WIN32_HAS_WIDE #endif |
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1105 1106 1107 1108 1109 1110 1111 | /* allocate a buffer and convert to UTF8 */ sqlite3BeginBenignMalloc(); zOut = unicodeToUtf8(zTempWide); sqlite3EndBenignMalloc(); /* free the system buffer allocated by FormatMessage */ osLocalFree(zTempWide); } | < < < < > | | < > | 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 | /* allocate a buffer and convert to UTF8 */ sqlite3BeginBenignMalloc(); zOut = unicodeToUtf8(zTempWide); sqlite3EndBenignMalloc(); /* free the system buffer allocated by FormatMessage */ osLocalFree(zTempWide); } } #ifdef SQLITE_WIN32_HAS_ANSI else{ char *zTemp = NULL; dwLen = osFormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, lastErrno, 0, (LPSTR) &zTemp, 0, 0); if( dwLen > 0 ){ /* allocate a buffer and convert to UTF8 */ sqlite3BeginBenignMalloc(); zOut = sqlite3_win32_mbcs_to_utf8(zTemp); sqlite3EndBenignMalloc(); /* free the system buffer allocated by FormatMessage */ osLocalFree(zTemp); } } #endif if( 0 == dwLen ){ sqlite3_snprintf(nBuf, zBuf, "OsError 0x%x (%u)", lastErrno, lastErrno); }else{ /* copy a maximum of nBuf chars to output buffer */ sqlite3_snprintf(nBuf, zBuf, "%s", zOut); /* free the UTF8 buffer */ sqlite3_free(zOut); |
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1917 1918 1919 1920 1921 1922 1923 | if( isNT() ){ OVERLAPPED ovlp; ovlp.Offset = SHARED_FIRST; ovlp.OffsetHigh = 0; ovlp.hEvent = 0; res = osLockFileEx(pFile->h, LOCKFILE_FAIL_IMMEDIATELY, 0, SHARED_SIZE, 0, &ovlp); | < < > | | < > < < > | | < > | 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 | if( isNT() ){ OVERLAPPED ovlp; ovlp.Offset = SHARED_FIRST; ovlp.OffsetHigh = 0; ovlp.hEvent = 0; res = osLockFileEx(pFile->h, LOCKFILE_FAIL_IMMEDIATELY, 0, SHARED_SIZE, 0, &ovlp); } #ifdef SQLITE_WIN32_HAS_ANSI else{ int lk; sqlite3_randomness(sizeof(lk), &lk); pFile->sharedLockByte = (short)((lk & 0x7fffffff)%(SHARED_SIZE - 1)); res = osLockFile(pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0); } #endif if( res == 0 ){ pFile->lastErrno = osGetLastError(); /* No need to log a failure to lock */ } return res; } /* ** Undo a readlock */ static int unlockReadLock(winFile *pFile){ int res; DWORD lastErrno; if( isNT() ){ res = osUnlockFile(pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0); } #ifdef SQLITE_WIN32_HAS_ANSI else{ res = osUnlockFile(pFile->h, SHARED_FIRST + pFile->sharedLockByte, 0, 1, 0); } #endif if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){ pFile->lastErrno = lastErrno; winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno, "unlockReadLock", pFile->zPath); } return res; } |
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2958 2959 2960 2961 2962 2963 2964 | ** is obtained from malloc and must be freed by the calling ** function. */ static void *convertUtf8Filename(const char *zFilename){ void *zConverted = 0; if( isNT() ){ zConverted = utf8ToUnicode(zFilename); | < < > | | < > | 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 | ** is obtained from malloc and must be freed by the calling ** function. */ static void *convertUtf8Filename(const char *zFilename){ void *zConverted = 0; if( isNT() ){ zConverted = utf8ToUnicode(zFilename); } #ifdef SQLITE_WIN32_HAS_ANSI else{ zConverted = sqlite3_win32_utf8_to_mbcs(zFilename); } #endif /* caller will handle out of memory */ return zConverted; } /* ** Create a temporary file name in zBuf. zBuf must be big enough to ** hold at pVfs->mxPathname characters. |
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3000 3001 3002 3003 3004 3005 3006 | zMulti = unicodeToUtf8(zWidePath); if( zMulti ){ sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zMulti); sqlite3_free(zMulti); }else{ return SQLITE_IOERR_NOMEM; } | < < < < > | | < > | 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 | zMulti = unicodeToUtf8(zWidePath); if( zMulti ){ sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zMulti); sqlite3_free(zMulti); }else{ return SQLITE_IOERR_NOMEM; } } #ifdef SQLITE_WIN32_HAS_ANSI else{ char *zUtf8; char zMbcsPath[MAX_PATH]; osGetTempPathA(MAX_PATH-30, zMbcsPath); zUtf8 = sqlite3_win32_mbcs_to_utf8(zMbcsPath); if( zUtf8 ){ sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zUtf8); sqlite3_free(zUtf8); }else{ return SQLITE_IOERR_NOMEM; } } #endif /* Check that the output buffer is large enough for the temporary file ** name. If it is not, return SQLITE_ERROR. */ if( (sqlite3Strlen30(zTempPath) + sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX) + 18) >= nBuf ){ return SQLITE_ERROR; } |
︙ | ︙ | |||
3199 3200 3201 3202 3203 3204 3205 | while( (h = osCreateFileW((LPCWSTR)zConverted, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL))==INVALID_HANDLE_VALUE && retryIoerr(&cnt, &lastErrno) ){} | < < < < > | | < | | 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 | while( (h = osCreateFileW((LPCWSTR)zConverted, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL))==INVALID_HANDLE_VALUE && retryIoerr(&cnt, &lastErrno) ){} } #ifdef SQLITE_WIN32_HAS_ANSI else{ while( (h = osCreateFileA((LPCSTR)zConverted, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL))==INVALID_HANDLE_VALUE && retryIoerr(&cnt, &lastErrno) ){} } #endif logIoerr(cnt); OSTRACE(("OPEN %d %s 0x%lx %s\n", h, zName, dwDesiredAccess, h==INVALID_HANDLE_VALUE ? "failed" : "ok")); if( h==INVALID_HANDLE_VALUE ){ |
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3306 3307 3308 3309 3310 3311 3312 | return SQLITE_IOERR_NOMEM; } if( isNT() ){ rc = 1; while( osGetFileAttributesW(zConverted)!=INVALID_FILE_ATTRIBUTES && (rc = osDeleteFileW(zConverted))==0 && retryIoerr(&cnt, &lastErrno) ){} rc = rc ? SQLITE_OK : SQLITE_ERROR; | < < < < > | | < > | 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 | return SQLITE_IOERR_NOMEM; } if( isNT() ){ rc = 1; while( osGetFileAttributesW(zConverted)!=INVALID_FILE_ATTRIBUTES && (rc = osDeleteFileW(zConverted))==0 && retryIoerr(&cnt, &lastErrno) ){} rc = rc ? SQLITE_OK : SQLITE_ERROR; } #ifdef SQLITE_WIN32_HAS_ANSI else{ rc = 1; while( osGetFileAttributesA(zConverted)!=INVALID_FILE_ATTRIBUTES && (rc = osDeleteFileA(zConverted))==0 && retryIoerr(&cnt, &lastErrno) ){} rc = rc ? SQLITE_OK : SQLITE_ERROR; } #endif if( rc ){ rc = winLogError(SQLITE_IOERR_DELETE, lastErrno, "winDelete", zFilename); }else{ logIoerr(cnt); } sqlite3_free(zConverted); |
︙ | ︙ | |||
3377 3378 3379 3380 3381 3382 3383 | winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess", zFilename); sqlite3_free(zConverted); return SQLITE_IOERR_ACCESS; }else{ attr = INVALID_FILE_ATTRIBUTES; } } | < < < < > | | < > | 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 | winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess", zFilename); sqlite3_free(zConverted); return SQLITE_IOERR_ACCESS; }else{ attr = INVALID_FILE_ATTRIBUTES; } } } #ifdef SQLITE_WIN32_HAS_ANSI else{ attr = osGetFileAttributesA((char*)zConverted); } #endif sqlite3_free(zConverted); switch( flags ){ case SQLITE_ACCESS_READ: case SQLITE_ACCESS_EXISTS: rc = attr!=INVALID_FILE_ATTRIBUTES; break; case SQLITE_ACCESS_READWRITE: |
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3466 3467 3468 3469 3470 3471 3472 | sqlite3_free(zConverted); return SQLITE_IOERR_NOMEM; } osGetFullPathNameW((LPCWSTR)zConverted, nByte, zTemp, 0); sqlite3_free(zConverted); zOut = unicodeToUtf8(zTemp); sqlite3_free(zTemp); | < < < < > | | < > | 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 | sqlite3_free(zConverted); return SQLITE_IOERR_NOMEM; } osGetFullPathNameW((LPCWSTR)zConverted, nByte, zTemp, 0); sqlite3_free(zConverted); zOut = unicodeToUtf8(zTemp); sqlite3_free(zTemp); } #ifdef SQLITE_WIN32_HAS_ANSI else{ char *zTemp; nByte = osGetFullPathNameA((char*)zConverted, 0, 0, 0) + 3; zTemp = sqlite3_malloc( nByte*sizeof(zTemp[0]) ); if( zTemp==0 ){ sqlite3_free(zConverted); return SQLITE_IOERR_NOMEM; } osGetFullPathNameA((char*)zConverted, nByte, zTemp, 0); sqlite3_free(zConverted); zOut = sqlite3_win32_mbcs_to_utf8(zTemp); sqlite3_free(zTemp); } #endif if( zOut ){ sqlite3_snprintf(pVfs->mxPathname, zFull, "%s", zOut); sqlite3_free(zOut); return SQLITE_OK; }else{ return SQLITE_IOERR_NOMEM; } |
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3513 3514 3515 3516 3517 3518 3519 | void *zConverted = convertUtf8Filename(zFilename); UNUSED_PARAMETER(pVfs); if( zConverted==0 ){ return 0; } if( isNT() ){ h = osLoadLibraryW((LPCWSTR)zConverted); | < < < < > | | < > | 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 | void *zConverted = convertUtf8Filename(zFilename); UNUSED_PARAMETER(pVfs); if( zConverted==0 ){ return 0; } if( isNT() ){ h = osLoadLibraryW((LPCWSTR)zConverted); } #ifdef SQLITE_WIN32_HAS_ANSI else{ h = osLoadLibraryA((char*)zConverted); } #endif sqlite3_free(zConverted); return (void*)h; } static void winDlError(sqlite3_vfs *pVfs, int nBuf, char *zBufOut){ UNUSED_PARAMETER(pVfs); getLastErrorMsg(osGetLastError(), nBuf, zBufOut); } |
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