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Add open() and close() operations to IsoFilesystem.

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This commit is contained in:
Vreixo Formoso
2008-01-19 16:56:46 +01:00
parent 52d1e911ac
commit 0c1ea8cc7e
5 changed files with 102 additions and 66 deletions
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32
src/fs_image.h
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@ -12,36 +12,14 @@
#include "libisofs.h"
#include "fsource.h"
struct libiso_msgs;
typedef struct Iso_Image_Filesystem IsoImageFilesystem;
/**
* Extends IsoFilesystem interface, to offer a way to access specific
* information of the image, such as several volume attributes, extensions
* being used, El-Torito artifacts...
* IsoFilesystem implementation to deal with ISO images, and to offer a way to
* access specific information of the image, such as several volume attributes,
* extensions being used, El-Torito artifacts...
*/
struct Iso_Image_Filesystem
{
IsoFilesystem fs;
/*
* TODO both open and close have meaning to other filesystems, in fact
* they seem useful for any kind of Filesystems, with the exception of
* the local filesystem. Thus, we should consider adding them to
* IsoFilesystem interface
*/
/**
* Opens the filesystem for several read operations. Calling this funcion
* is not needed at all, each time that the underlying IsoDataSource need
* to be read, it is openned propertly. However, if you plan to execute
* several operations on the image, it is a good idea to open it
* previously, to prevent several open/close operations.
*/
int (*open)(IsoImageFilesystem *fs);
int (*close)(IsoImageFilesystem *fs);
};
struct libiso_msgs;
typedef IsoFilesystem IsoImageFilesystem;
int iso_image_filesystem_new(IsoDataSource *src, struct iso_read_opts *opts,
int msgid, IsoImageFilesystem **fs);