diff options
| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2021-11-28 00:05:24 +0100 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2021-12-05 10:29:36 +0100 |
| commit | 2b8eb19a4de81db470f7ff5021a8a4822cc8c80d (patch) | |
| tree | fe757fe44f96ccfbf49f7554ac2df3647490aea9 /include/sqfs | |
| parent | 4a4dbe027a082e546512b5ccb2999753651a9a28 (diff) | |
Fix: consistently use the widechar file API on Windows
When opening files on windows, use the widechar versions and convert
from (assumed) UTF-8 to UTF-16 as needed.
Since the broken, code-page-random API may acutall be intended in some
use cases, leave that option in through an additional flag.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'include/sqfs')
| -rw-r--r-- | include/sqfs/io.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/include/sqfs/io.h b/include/sqfs/io.h index 246ac70..4cdb574 100644 --- a/include/sqfs/io.h +++ b/include/sqfs/io.h @@ -54,7 +54,29 @@ typedef enum { */ SQFS_FILE_OPEN_OVERWRITE = 0x02, - SQFS_FILE_OPEN_ALL_FLAGS = 0x03, + /** + * @brief If set, do not try to apply any character set transformations + * to the file path. + * + * This flag instructs the @ref sqfs_open_file API to pass the file + * path to the OS dependent API as-is and not to attempt any character + * set transformation. By default, if the underlying OS has a concept + * of locale dependent file paths, the input path is UTF-8 and it is + * transformed as needed, in order to retain a level of portabillity + * and sanity. + * + * This flag currently only affects the Windows implementation. On + * Unix-like systems, the path is always passed to the OS API as-is + * and this flag has no effect. + * + * On Windows, the input path is converted from UTF-8 to UTF-16 and + * then passed on to the wide-char based file API. If this flag is set, + * the path is used as-is and passed on to the 8-bit codepage-whatever + * API instead. + */ + SQFS_FILE_OPEN_NO_CHARSET_XFRM = 0x04, + + SQFS_FILE_OPEN_ALL_FLAGS = 0x07, } SQFS_FILE_OPEN_FLAGS; /** @@ -134,7 +156,8 @@ extern "C" { * API for file I/O. * * On Unix-like systems, if the open call fails, this function makes sure to - * preserves the value in errno indicating the underlying problem. + * preserves the value in errno indicating the underlying problem. Similarly, + * on Windows, the implementation tries to preserve the GetLastError value. * * @param filename The name of the file to open. * @param flags A set of @ref SQFS_FILE_OPEN_FLAGS. |