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-rw-r--r--include/sqfs/io.h39
1 files changed, 21 insertions, 18 deletions
diff --git a/include/sqfs/io.h b/include/sqfs/io.h
index eaf74a6..a697dc3 100644
--- a/include/sqfs/io.h
+++ b/include/sqfs/io.h
@@ -77,28 +77,23 @@ typedef enum {
* @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.
+ * On Windows, the file paths are converted from UTF-8 to UTF-16 and
+ * then passed on to the wide-char API. If this flag is set, the path
+ * is used as-is and passed on to the 8-bit ANSI API instead, letting
+ * the OS decide how to convert and interpret the path.
*/
SQFS_FILE_OPEN_NO_CHARSET_XFRM = 0x04,
/**
* @brief Do not use sparse file I/O APIs, always fill in zero bytes
*
- * This flag currently has no effect on @ref sqfs_open_file.
+ * This flag currently has no effect on @ref sqfs_open_file, it changes
+ * the behavior of @ref sqfs_ostream_open_file and
+ * @ref sqfs_ostream_open_handle.
*/
SQFS_FILE_OPEN_NO_SPARSE = 0x08,
@@ -341,12 +336,13 @@ SQFS_API sqfs_file_t *sqfs_open_file(const char *filename, sqfs_u32 flags);
* @param out Returns a pointer to an input stream on success.
* @param path The name to associate with the handle.
* @param fd A native file handle.
+ * @param flags A combination of @ref SQFS_FILE_OPEN_FLAGS flags.
*
* @return Zero on success, a negative @ref SQFS_ERROR number on failure
*/
SQFS_API
int sqfs_istream_open_handle(sqfs_istream_t **out, const char *path,
- sqfs_file_handle_t fd);
+ sqfs_file_handle_t fd, sqfs_u32 flags);
/**
* @brief Create an output stream that writes to an OS native file handle.
@@ -361,24 +357,31 @@ int sqfs_istream_open_handle(sqfs_istream_t **out, const char *path,
* @param out Returns a pointer to an output stream on success.
* @param path The name to associate with the handle.
* @param fd A native file handle.
- * @param flags A combination of flags.
+ * @param flags A combination of @ref SQFS_FILE_OPEN_FLAGS flags.
*
* @return Zero on success, a negative @ref SQFS_ERROR number on failure
*/
SQFS_API int sqfs_ostream_open_handle(sqfs_ostream_t **out, const char *path,
- sqfs_file_handle_t hnd, int flags);
+ sqfs_file_handle_t hnd, sqfs_u32 flags);
/**
* @brief Create an input stream that reads from a file.
*
* @memberof sqfs_istream_t
*
+ * The flag @ref SQFS_FILE_OPEN_READ_ONLY is implicitly assumed to be set,
+ * since the function constructs a read-only primitive. If either the flags
+ * @ref SQFS_FILE_OPEN_OVERWRITE or @ref SQFS_FILE_OPEN_NO_SPARSE are set,
+ * an error is returend.
+ *
* @param out Returns a pointer to an input stream on success.
* @param path A path to the file to open or create.
+ * @param flags A combination of @ref SQFS_FILE_OPEN_FLAGS flags.
*
* @return Zero on success, a negative @ref SQFS_ERROR number on failure
*/
-SQFS_API int sqfs_istream_open_file(sqfs_istream_t **out, const char *path);
+SQFS_API int sqfs_istream_open_file(sqfs_istream_t **out, const char *path,
+ sqfs_u32 flags);
/**
* @brief Create an output stream that writes to a file.
@@ -396,12 +399,12 @@ SQFS_API int sqfs_istream_open_file(sqfs_istream_t **out, const char *path);
*
* @param out Returns a pointer to an output stream on success.
* @param path A path to the file to open or create.
- * @param flags A combination of flags controling how to open/create the file.
+ * @param flags A combination of @ref SQFS_FILE_OPEN_FLAGS flags.
*
* @return Zero on success, a negative @ref SQFS_ERROR number on failure
*/
SQFS_API int sqfs_ostream_open_file(sqfs_ostream_t **out,
- const char *path, int flags);
+ const char *path, sqfs_u32 flags);
/**
* @brief Read data from an input stream