diff options
Diffstat (limited to 'src/runtime')
| -rw-r--r-- | src/runtime/c/sg/sqlite3Btree.c | 158 |
1 files changed, 40 insertions, 118 deletions
diff --git a/src/runtime/c/sg/sqlite3Btree.c b/src/runtime/c/sg/sqlite3Btree.c index 999606791..a75cfd62b 100644 --- a/src/runtime/c/sg/sqlite3Btree.c +++ b/src/runtime/c/sg/sqlite3Btree.c @@ -5040,6 +5040,30 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip(int, const void *, UnpackedR */ /* #include "sqliteInt.h" */ +/* An array to map all upper-case characters into their corresponding +** lower-case character. +** +** SQLite only considers US-ASCII (or EBCDIC) characters. We do not +** handle case conversions for the UTF character set since the tables +** involved are nearly as big or bigger than SQLite itself. +*/ +const unsigned char sqlite3UpperToLower[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 97, 98, 99,100,101,102,103, + 104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121, + 122, 91, 92, 93, 94, 95, 96, 97, 98, 99,100,101,102,103,104,105,106,107, + 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125, + 126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, + 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161, + 162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179, + 180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197, + 198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215, + 216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233, + 234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251, + 252,253,254,255 +}; /* EVIDENCE-OF: R-02982-34736 In order to maintain full backwards ** compatibility for legacy applications, the URI filename capability is ** disabled by default. @@ -9063,6 +9087,22 @@ SQLITE_PRIVATE int sqlite3Strlen30(const char *z){ return 0x3fffffff & (int)strlen(z); } +/* Convenient short-hand */ +#define UpperToLower sqlite3UpperToLower + +int sqlite3StrICmp(const char *zLeft, const char *zRight){ + unsigned char *a, *b; + int c; + a = (unsigned char *)zLeft; + b = (unsigned char *)zRight; + for(;;){ + c = (int)UpperToLower[*a] - (int)UpperToLower[*b]; + if( c || *a==0 ) break; + a++; + b++; + } + return c; +} /* ** The string z[] is an text representation of a real number. ** Convert this string to a double and write it into *pResult. @@ -17831,13 +17871,6 @@ struct winFile { #define WINFILE_PSOW 0x10 /* SQLITE_IOCAP_POWERSAFE_OVERWRITE */ /* - * The size of the buffer used by sqlite3_win32_write_debug(). - */ -#ifndef SQLITE_WIN32_DBG_BUF_SIZE -# define SQLITE_WIN32_DBG_BUF_SIZE ((int)(4096-sizeof(DWORD))) -#endif - -/* * The value used with sqlite3_win32_set_directory() to specify that * the temporary directory should be changed. */ @@ -18786,43 +18819,6 @@ SQLITE_PRIVATE int sqlite3_win32_reset_heap(){ #endif /* SQLITE_WIN32_MALLOC */ /* -** This function outputs the specified (ANSI) string to the Win32 debugger -** (if available). -*/ - -SQLITE_PRIVATE void sqlite3_win32_write_debug(const char *zBuf, int nBuf){ - char zDbgBuf[SQLITE_WIN32_DBG_BUF_SIZE]; - int nMin = MIN(nBuf, (SQLITE_WIN32_DBG_BUF_SIZE - 1)); /* may be negative. */ - if( nMin<-1 ) nMin = -1; /* all negative values become -1. */ - assert( nMin==-1 || nMin==0 || nMin<SQLITE_WIN32_DBG_BUF_SIZE ); -#if defined(SQLITE_WIN32_HAS_ANSI) - if( nMin>0 ){ - memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE); - memcpy(zDbgBuf, zBuf, nMin); - osOutputDebugStringA(zDbgBuf); - }else{ - osOutputDebugStringA(zBuf); - } -#elif defined(SQLITE_WIN32_HAS_WIDE) - memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE); - if ( osMultiByteToWideChar( - osAreFileApisANSI() ? CP_ACP : CP_OEMCP, 0, zBuf, - nMin, (LPWSTR)zDbgBuf, SQLITE_WIN32_DBG_BUF_SIZE/sizeof(WCHAR))<=0 ){ - return; - } - osOutputDebugStringW((LPCWSTR)zDbgBuf); -#else - if( nMin>0 ){ - memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE); - memcpy(zDbgBuf, zBuf, nMin); - fprintf(stderr, "%s", zDbgBuf); - }else{ - fprintf(stderr, "%s", zBuf); - } -#endif -} - -/* ** The following routine suspends the current thread for at least ms ** milliseconds. This is equivalent to the Win32 Sleep() interface. */ @@ -19264,40 +19260,6 @@ SQLITE_PRIVATE char *sqlite3_win32_utf8_to_mbcs(const char *zFilename){ } /* -** This function sets the data directory or the temporary directory based on -** the provided arguments. The type argument must be 1 in order to set the -** data directory or 2 in order to set the temporary directory. The zValue -** argument is the name of the directory to use. The return value will be -** SQLITE_OK if successful. -*/ -SQLITE_PRIVATE int sqlite3_win32_set_directory(DWORD type, LPCWSTR zValue){ - char **ppDirectory = 0; -#ifndef SQLITE_OMIT_AUTOINIT - int rc = sqlite3BtreeInitialize(); - if( rc ) return rc; -#endif - if( type==SQLITE_WIN32_TEMP_DIRECTORY_TYPE ){ - ppDirectory = &sqlite3_temp_directory; - } - assert( !ppDirectory || type==SQLITE_WIN32_TEMP_DIRECTORY_TYPE - ); - assert( !ppDirectory || sqlite3MemdebugHasType(*ppDirectory, MEMTYPE_HEAP) ); - if( ppDirectory ){ - char *zValueUtf8 = 0; - if( zValue && zValue[0] ){ - zValueUtf8 = winUnicodeToUtf8(zValue); - if ( zValueUtf8==0 ){ - return SQLITE_NOMEM; - } - } - sqlite3_free(*ppDirectory); - *ppDirectory = zValueUtf8; - return SQLITE_OK; - } - return SQLITE_ERROR; -} - -/* ** The return value of winGetLastErrorMsg ** is zero if the error message fits in the buffer, or non-zero ** otherwise (if the message was truncated). @@ -22368,9 +22330,6 @@ static int winOpen( if( isReadonly ){ pFile->ctrlFlags |= WINFILE_RDONLY; } - if( sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) ){ - pFile->ctrlFlags |= WINFILE_PSOW; - } pFile->lastErrno = NO_ERROR; pFile->zPath = zName; #if SQLITE_MAX_MMAP_SIZE>0 @@ -22590,43 +22549,6 @@ static BOOL winIsDriveLetterAndColon( } /* -** Returns non-zero if the specified path name should be used verbatim. If -** non-zero is returned from this function, the calling function must simply -** use the provided path name verbatim -OR- resolve it into a full path name -** using the GetFullPathName Win32 API function (if available). -*/ -static BOOL winIsVerbatimPathname( - const char *zPathname -){ - /* - ** If the path name starts with a forward slash or a backslash, it is either - ** a legal UNC name, a volume relative path, or an absolute path name in the - ** "Unix" format on Windows. There is no easy way to differentiate between - ** the final two cases; therefore, we return the safer return value of TRUE - ** so that callers of this function will simply use it verbatim. - */ - if ( winIsDirSep(zPathname[0]) ){ - return TRUE; - } - - /* - ** If the path name starts with a letter and a colon it is either a volume - ** relative path or an absolute path. Callers of this function must not - ** attempt to treat it as a relative path name (i.e. they should simply use - ** it verbatim). - */ - if ( winIsDriveLetterAndColon(zPathname) ){ - return TRUE; - } - - /* - ** If we get to this point, the path name should almost certainly be a purely - ** relative one (i.e. not a UNC name, not absolute, and not volume relative). - */ - return FALSE; -} - -/* ** Turn a relative pathname into a full pathname. Write the full ** pathname into zOut[]. zOut[] will be at least pVfs->mxPathname ** bytes in size. |