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fixed a bug of ase_fio_open in handling flags

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hyung-hwan
2008-12-12 23:19:35 +00:00
parent 25a776e842
commit 596b42a211
3 changed files with 37 additions and 10 deletions
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26
ase/lib/cmn/fio.c
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@ -73,14 +73,19 @@ ase_fio_t* ase_fio_init (
DWORD creation_disposition = 0;
DWORD attributes = FILE_ATTRIBUTE_NORMAL;
if (flags & ASE_FIO_READ) desired_access |= GENERIC_READ;
if (flags & ASE_FIO_WRITE) desired_access |= GENERIC_WRITE;
if (flags & ASE_FIO_APPEND)
{
/* this is not officialy documented for CreateFile.
* ZwCreateFile (kernel) seems to document it */
desired_access |= FILE_APPEND_DATA;
}
else if (flags & ASE_FIO_WRITE)
{
/* In WIN32, FILE_APPEND_DATA and GENERIC_WRITE can't
* be used together */
desired_access |= GENERIC_WRITE;
}
if (flags & ASE_FIO_READ) desired_access |= GENERIC_READ;
if (flags & ASE_FIO_CREATE)
{
@ -132,13 +137,24 @@ ase_fio_t* ase_fio_init (
if (ase_wcstombs_strict (path,
path_mb, ASE_COUNTOF(path_mb)) == -1) return ASE_NULL;
#endif
/*
* rwa -> RDWR | APPEND
* ra -> RDONLY | APPEND
* wa -> WRONLY | APPEND
* a -> WRONLY | APPEND
*/
if ((flags & ASE_FIO_READ) &&
(flags & ASE_FIO_WRITE)) desired_access |= O_RDWR;
else if (flags & ASE_FIO_READ) desired_access |= O_RDONLY;
else desired_access |= O_WRONLY;
else if (flags & ASE_FIO_WRITE) desired_access |= O_WRONLY;
if (flags & ASE_FIO_APPEND)
{
if (!(flags & ASE_FIO_READ) &&
!(flags & ASE_FIO_WRITE)) desired_access |= O_WRONLY;
desired_access |= O_APPEND;
}
if (flags & ASE_FIO_APPEND) desired_access |= O_APPEND;
if (flags & ASE_FIO_CREATE) desired_access |= O_CREAT;
if (flags & ASE_FIO_TRUNCATE) desired_access |= O_TRUNC;
if (flags & ASE_FIO_EXCLUSIVE) desired_access |= O_EXCL;