/*
** Open a file.
*/
static int os2Open(
sqlite3_vfs *pVfs, /* Not used */
const char *zName, /* Name of the file */
sqlite3_file *id, /* Write the SQLite file handle here */
int flags, /* Open mode flags */
int *pOutFlags /* Status return flags */
){
HFILE h;
ULONG ulFileAttribute = FILE_NORMAL;
ULONG ulOpenFlags = 0;
ULONG ulOpenMode = 0;
os2File *pFile = (os2File*)id;
APIRET rc = NO_ERROR;
ULONG ulAction;
char *zNameCp;
char zTmpname[CCHMAXPATH+1]; /* Buffer to hold name of temp file */
/* If the second argument to this function is NULL, generate a
** temporary file name to use
*/
if( !zName ){
int rc = getTempname(CCHMAXPATH+1, zTmpname);
if( rc!=SQLITE_OK ){
return rc;
}
zName = zTmpname;
}
memset( pFile, 0, sizeof(*pFile) );
OSTRACE2( "OPEN want %d\n", flags );
if( flags & SQLITE_OPEN_READWRITE ){
ulOpenMode |= OPEN_ACCESS_READWRITE;
OSTRACE1( "OPEN read/write\n" );
}else{
ulOpenMode |= OPEN_ACCESS_READONLY;
OSTRACE1( "OPEN read only\n" );
}
if( flags & SQLITE_OPEN_CREATE ){
ulOpenFlags |= OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW;
OSTRACE1( "OPEN open new/create\n" );
}else{
ulOpenFlags |= OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW;
OSTRACE1( "OPEN open existing\n" );
}
if( flags & SQLITE_OPEN_MAIN_DB ){
ulOpenMode |= OPEN_SHARE_DENYNONE;
OSTRACE1( "OPEN share read/write\n" );
}else{
ulOpenMode |= OPEN_SHARE_DENYWRITE;
OSTRACE1( "OPEN share read only\n" );
}
if( flags & SQLITE_OPEN_DELETEONCLOSE ){
char pathUtf8[CCHMAXPATH];
#ifdef NDEBUG /* when debugging we want to make sure it is deleted */
ulFileAttribute = FILE_HIDDEN;
#endif
os2FullPathname( pVfs, zName, CCHMAXPATH, pathUtf8 );
pFile->pathToDel = convertUtf8PathToCp( pathUtf8 );
OSTRACE1( "OPEN hidden/delete on close file attributes\n" );
}else{
pFile->pathToDel = NULL;
OSTRACE1( "OPEN normal file attribute\n" );
}
/* always open in random access mode for possibly better speed */
ulOpenMode |= OPEN_FLAGS_RANDOM;
ulOpenMode |= OPEN_FLAGS_FAIL_ON_ERROR;
ulOpenMode |= OPEN_FLAGS_NOINHERIT;
zNameCp = convertUtf8PathToCp( zName );
rc = DosOpen( (PSZ)zNameCp,
&h,
&ulAction,
0L,
ulFileAttribute,
ulOpenFlags,
ulOpenMode,
(PEAOP2)NULL );
free( zNameCp );
if( rc != NO_ERROR ){
OSTRACE7( "OPEN Invalid handle rc=%d: zName=%s, ulAction=%#lx, ulAttr=%#lx, ulFlags=%#lx, ulMode=%#lx\n",
rc, zName, ulAction, ulFileAttribute, ulOpenFlags, ulOpenMode );
if( pFile->pathToDel )
free( pFile->pathToDel );
pFile->pathToDel = NULL;
if( flags & SQLITE_OPEN_READWRITE ){
OSTRACE2( "OPEN %d Invalid handle\n", ((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE) );
return os2Open( pVfs, zName, id,
((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE),
pOutFlags );
}else{
return SQLITE_CANTOPEN;
}
}
if( pOutFlags ){
*pOutFlags = flags & SQLITE_OPEN_READWRITE ? SQLITE_OPEN_READWRITE : SQLITE_OPEN_READONLY;
}
pFile->pMethod = &os2IoMethod;
pFile->h = h;
OpenCounter(+1);
OSTRACE3( "OPEN %d pOutFlags=%d\n", pFile->h, pOutFlags );
return SQLITE_OK;
}
/*
** Open a file.
*/
static int os2Open(
sqlite3_vfs *pVfs, /* Not used */
const char *zName, /* Name of the file */
sqlite3_file *id, /* Write the SQLite file handle here */
int flags, /* Open mode flags */
int *pOutFlags /* Status return flags */
){
HFILE h;
ULONG ulFileAttribute = 0;
ULONG ulOpenFlags = 0;
ULONG ulOpenMode = 0;
os2File *pFile = (os2File*)id;
APIRET rc = NO_ERROR;
ULONG ulAction;
memset(pFile, 0, sizeof(*pFile));
OSTRACE2( "OPEN want %d\n", flags );
//ulOpenMode = flags & SQLITE_OPEN_READWRITE ? OPEN_ACCESS_READWRITE : OPEN_ACCESS_READONLY;
if( flags & SQLITE_OPEN_READWRITE ){
ulOpenMode |= OPEN_ACCESS_READWRITE;
OSTRACE1( "OPEN read/write\n" );
}else{
ulOpenMode |= OPEN_ACCESS_READONLY;
OSTRACE1( "OPEN read only\n" );
}
//ulOpenFlags = flags & SQLITE_OPEN_CREATE ? OPEN_ACTION_CREATE_IF_NEW : OPEN_ACTION_FAIL_IF_NEW;
if( flags & SQLITE_OPEN_CREATE ){
ulOpenFlags |= OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW;
OSTRACE1( "OPEN open new/create\n" );
}else{
ulOpenFlags |= OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW;
OSTRACE1( "OPEN open existing\n" );
}
//ulOpenMode |= flags & SQLITE_OPEN_MAIN_DB ? OPEN_SHARE_DENYNONE : OPEN_SHARE_DENYWRITE;
if( flags & SQLITE_OPEN_MAIN_DB ){
ulOpenMode |= OPEN_SHARE_DENYNONE;
OSTRACE1( "OPEN share read/write\n" );
}else{
ulOpenMode |= OPEN_SHARE_DENYWRITE;
OSTRACE1( "OPEN share read only\n" );
}
if( flags & (SQLITE_OPEN_TEMP_DB | SQLITE_OPEN_TEMP_JOURNAL
| SQLITE_OPEN_SUBJOURNAL) ){
//ulFileAttribute = FILE_HIDDEN; //for debugging, we want to make sure it is deleted
ulFileAttribute = FILE_NORMAL;
pFile->delOnClose = 1;
pFile->pathToDel = (char*)malloc(sizeof(char) * pVfs->mxPathname);
sqlite3OsFullPathname(pVfs, zName, pVfs->mxPathname, pFile->pathToDel);
OSTRACE1( "OPEN hidden/delete on close file attributes\n" );
}else{
ulFileAttribute = FILE_ARCHIVED | FILE_NORMAL;
pFile->delOnClose = 0;
pFile->pathToDel = NULL;
OSTRACE1( "OPEN normal file attribute\n" );
}
//ulOpenMode |= flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ?
// OPEN_FLAGS_RANDOM : OPEN_FLAGS_SEQUENTIAL;
if( flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ){
ulOpenMode |= OPEN_FLAGS_RANDOM;
OSTRACE1( "OPEN random access\n" );
}else{
ulOpenMode |= OPEN_FLAGS_SEQUENTIAL;
OSTRACE1( "OPEN sequential access\n" );
}
ulOpenMode |= OPEN_FLAGS_FAIL_ON_ERROR;
rc = DosOpen( (PSZ)zName,
&h,
&ulAction,
0L,
ulFileAttribute,
ulOpenFlags,
ulOpenMode,
(PEAOP2)NULL );
if( rc != NO_ERROR ){
OSTRACE7( "OPEN Invalid handle rc=%d: zName=%s, ulAction=%#lx, ulAttr=%#lx, ulFlags=%#lx, ulMode=%#lx\n",
rc, zName, ulAction, ulFileAttribute, ulOpenFlags, ulOpenMode );
if( flags & SQLITE_OPEN_READWRITE ){
OSTRACE2( "OPEN %d Invalid handle\n", ((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE) );
return os2Open( 0, zName, id,
((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE),
pOutFlags );
}else{
return SQLITE_CANTOPEN;
}
}
if( pOutFlags ){
*pOutFlags = flags & SQLITE_OPEN_READWRITE ? SQLITE_OPEN_READWRITE : SQLITE_OPEN_READONLY;
}
pFile->pMethod = &os2IoMethod;
pFile->h = h;
OpenCounter(+1);
OSTRACE3( "OPEN %d pOutFlags=%d\n", pFile->h, pOutFlags );
return SQLITE_OK;
}
