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Define some functions and responsabilities for image generation.

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Still very preliminary work.
This commit is contained in:
Vreixo Formoso
2007-12-16 19:10:47 +01:00
parent c03d4d9b33
commit c8715941e6
9 changed files with 267 additions and 22 deletions
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86
src/libisofs.h
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@ -53,6 +53,92 @@ enum IsoHideNodeFlag {
LIBISO_HIDE_ON_JOLIET = 1 << 1
};
/**
* Holds the options for the image generation.
*/
typedef struct {
//int volnum; /**< The volume in the set which you want to write (usually 0) */
int level; /**< ISO level to write at. */
int flags; /**< Which extensions to support. */
//int relaxed_constraints; /**< see ecma119_relaxed_constraints_flag */
//unsigned int copy_eltorito:1;
/**<
* In multisession discs, select whether to copy el-torito catalog
* and boot image. Copy is needed for isolinux images, that need to
* be patched. However, it can lead to problems when the image is
* not present in the iso filesystem, because we can't figure out
* its size. In those cases, we only copy 1 block of data.
*/
//unsigned int sort_files:1;
/**< If files should be sorted based on their weight. */
// unsigned int default_mode:1;
// /**<
// * The default values for files and directory permissions,
// * gid and uid. This option can be overwritten when set
// * one of the following.
// * 0 to use useful values, 1 to use node modes (this are
// * the same as filesystem ones if not changed after added
// * to tree).
// */
// unsigned int replace_dir_mode:1;
// /**<
// * When 1, permissions for all dirs will be replaced by the
// * specified in dir_mode field.
// */
// unsigned int replace_file_mode:1;
// /**<
// * When 1, permissions for all files will be replaced by the
// * specified in file_mode field.
// */
// unsigned int replace_uid:1;
// /**<
// * When 1, uid of all nodes (both files and dirs) will be
// * replaced by the specified in uid field.
// */
// unsigned int replace_gid:1;
// /**<
// * When 1, gid of all nodes (both files and dirs) will be
// * replaced by the specified in gid field.
// */
// mode_t dir_mode; /**< Mode to use on dirs when replace_dir_mode is set. */
// mode_t file_mode; /**< Mode to use on files when replace_file_mode is set. */
// gid_t gid; /**< gid to use when replace_gid is set. */
// uid_t uid; /**< uid to use when replace_uid is set. */
// char *input_charset; /**< NULL to use default charset */
// char *ouput_charset; /**< NULL to use default charset */
// uint32_t ms_block;
/**<
* Start block for multisession. When this is greater than 0,
* it's suppossed to be the lba of the next writable address
* on disc; all block lba on image will take this into account,
* and files from a previous session will not be written on
* image. This behavior is only suitable for images to be
* appended to a multisession disc.
* When this is 0, no multisession image will be created. If
* some files are taken from a previous image, its contents
* will be written again to the new image. Use this with new
* images or if you plan to modify an existin image.
*/
// struct data_source* src;
// /**<
// * When modifying a image, this is the source of the original
// * image, used to read file contents.
// * Otherwise it can be NULL.
// */
// uint8_t *overwrite;
// /**<
// * When not NULL, it should point to a buffer of at least
// * 64KiB, where libisofs will write the contents that should
// * be written at the beginning of a overwriteable media, to
// * grow the image.
// * You shoudl initialize the buffer either with 0s, or with
// * the contents of the first blocks of the image you're
// * growing. In most cases, 0 is good enought.
// */
} Ecma119WriteOpts;
/**
* Create a new image, empty.
*