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MsOle

Name

MsOle -- Handle the filesystem.

Synopsis


#include <libole2/libole2.h>


struct      MsOle;
#define     ms_ole_open                     (fs,path)
MsOleErr    ms_ole_open_vfs                 (MsOle **fs,
                                             const char *path,
                                             gboolean try_mmap,
                                             MsOleSysWrappers *wrappers);
#define     ms_ole_create                   (fs,path)
MsOleErr    ms_ole_create_vfs               (MsOle **fs,
                                             const char *path,
                                             int try_mmap,
                                             MsOleSysWrappers *wrappers);
void        ms_ole_ref                      (MsOle *fs);
void        ms_ole_unref                    (MsOle *fs);
void        ms_ole_destroy                  (MsOle **fs);
MsOleErr    ms_ole_unlink                   (MsOle *fs,
                                             const char *path);
MsOleErr    ms_ole_stat                     (MsOleStat *stat,
                                             MsOle *fs,
                                             const char *dirpath,
                                             const char *name);
MsOleErr    ms_ole_directory                (char ***names,
                                             MsOle *fs,
                                             const char *dirpath);
void        ms_ole_debug                    (MsOle *fs,
                                             int magic);

Description

MsOle is a filesystem object and handles an open filesystem.

ms_ole_open() opens a filesystem. ms_ole_create() creates a new filesystem. ms_ole_destroy() closes a filesystem (therefore destroying the filesystem object). ms_ole_open_vfs() and ms_ole_create_vfs() allow more control on the way the filesystem-in-a-file is actualy accessed.

ms_ole_unlink() deletes a stream or a directory on a filesystem. ms_ole_stat() gets information about a stream or a directory. ms_ole_directory() returns the names of the streams and directories in a directory.

Details

struct MsOle

struct MsOle;

MsOle is an opaque datatype. It handles an open filesystem.


ms_ole_open()

#define ms_ole_open(fs,path)     ms_ole_open_vfs ((fs), (path), TRUE, NULL)

Opens the filesystem-in-a-file path and creates the filesystem object fs. Returns a MsOleErr code.

This is a convenience macro for ms_ole_open_vfs().

fs :filesystem object.
path :path to the filesystem-in-a-file on the actual filesystem.


ms_ole_open_vfs ()

MsOleErr    ms_ole_open_vfs                 (MsOle **fs,
                                             const char *path,
                                             gboolean try_mmap,
                                             MsOleSysWrappers *wrappers);

Opens the filesystem-in-the-file path and creates the filesystem object fs.

fs : filesystem object.
path : path to the filesystem-in-the file on the actual filesystem.
try_mmap : TRUE if try to mmap(2) the filesystem-in-a-file, instead of opening.
wrappers : system functions wrappers, NULL if standard functions are used.
Returns : a MsOleErr code.


ms_ole_create()

#define ms_ole_create(fs,path)     ms_ole_create_vfs ((fs), (path), TRUE, NULL)

Creates the filesystem-in-a-file path and creates the filesystem object fs. Returns a MsOleErr code.

This is a convenience macro for ms_ole_create_vfs().

fs :filesystem object.
path :path to the filesystem-in-a-file on the actual filesystem.


ms_ole_create_vfs ()

MsOleErr    ms_ole_create_vfs               (MsOle **fs,
                                             const char *path,
                                             int try_mmap,
                                             MsOleSysWrappers *wrappers);

Creates the filesystem-in-the-file path and creates the filesystem fs.

fs : filesystem object.
path : path to the filesystem-in-the file on the actual filesystem.
try_mmap : TRUE if try to mmap(2) the filesystem-in-a-file, instead of opening.
wrappers : system functions wrappers, NULL if standard functions are used.
Returns : a MsOleErr code.


ms_ole_ref ()

void        ms_ole_ref                      (MsOle *fs);

Increment by one the count of references to the filesystem.

fs : filesystem object.


ms_ole_unref ()

void        ms_ole_unref                    (MsOle *fs);

Decrement by one the count of references to the filesystem.

fs : filesystem object.


ms_ole_destroy ()

void        ms_ole_destroy                  (MsOle **fs);

Closes the filesystem fs and truncates any free blocks.

fs : filesystem object.


ms_ole_unlink ()

MsOleErr    ms_ole_unlink                   (MsOle *fs,
                                             const char *path);

Delete the stream or directory path on the filesystem fs.

fs : filesystem object.
path : path of the stream or directory to delete.
Returns : a MsOleErr code.


ms_ole_stat ()

MsOleErr    ms_ole_stat                     (MsOleStat *stat,
                                             MsOle *fs,
                                             const char *dirpath,
                                             const char *name);

Gets information about the stream or the directory which is in the directory dirpath and its name is file.

stat : stat information.
fs : filesystem object.
dirpath : directory path.
name : stream or directory name.
Returns : a MsOleErr code.


ms_ole_directory ()

MsOleErr    ms_ole_directory                (char ***names,
                                             MsOle *fs,
                                             const char *dirpath);

Gets the names of the streams and directories in the directory dirpath.

names : array where the names are storesd, it's NULL ended.
fs : filesystem object.
dirpath : directory path.
Returns : a MsOleErr code.


ms_ole_debug ()

void        ms_ole_debug                    (MsOle *fs,
                                             int magic);

fs : 
magic :