76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
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/* vim: set noet ts=8 sts=8 sw=8 : */
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/** Functions and structures used for SUSP (IEEE 1281).
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*/
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#ifndef __ISO_SUSP
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#define __ISO_SUSP
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/* SUSP is only present in standard ecma119 */
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struct ecma119_write_target;
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struct iso_tree_node;
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struct iso_tree_dir;
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/** This contains the information that needs to go in the SUSP area of a file.
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*/
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struct susp_info
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{
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int n_susp_fields; /**< Number of SUSP fields */
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unsigned char **susp_fields; /**< Data for each SUSP field */
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/* the next 3 relate to CE and are filled out by susp_add_CE. */
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int n_fields_fit; /**< How many of the above SUSP fields fit
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* within this node's dirent. */
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int non_CE_len; /**< Length of the part of the SUSP area that
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* fits in the dirent. */
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int CE_len; /**< Length of the part of the SUSP area that
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* will go in a CE area. */
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};
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void susp_add_CE(struct ecma119_write_target *, struct iso_tree_node *);
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/* these next 2 are special because they don't modify the susp fields of the
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* directory that gets passed to them; they modify the susp fields of the
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* "." entry in the directory. */
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void susp_add_SP(struct ecma119_write_target *, struct iso_tree_dir *);
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void susp_add_ER(struct ecma119_write_target *, struct iso_tree_dir *);
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/** Once all the directories and files are laid out, recurse through the tree
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* and finalize all SUSP CE entries. */
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void susp_finalize(struct ecma119_write_target *, struct iso_tree_dir *);
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void susp_append(struct ecma119_write_target *,
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struct iso_tree_node *,
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unsigned char *);
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void susp_append_self(struct ecma119_write_target *,
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struct iso_tree_dir *,
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unsigned char *);
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void susp_append_parent(struct ecma119_write_target *,
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struct iso_tree_dir *,
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unsigned char *);
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void susp_insert(struct ecma119_write_target *,
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struct iso_tree_node *,
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unsigned char *,
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int pos);
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void susp_insert_self(struct ecma119_write_target *,
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struct iso_tree_dir *,
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unsigned char *,
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int pos);
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void susp_insert_parent(struct ecma119_write_target *,
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struct iso_tree_dir *,
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unsigned char *,
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int pos);
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unsigned char *susp_find(struct susp_info *,
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const char *);
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void susp_write(struct ecma119_write_target *,
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struct susp_info *,
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unsigned char *);
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void susp_write_CE(struct ecma119_write_target *,
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struct susp_info *,
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unsigned char *);
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void susp_free_fields(struct susp_info *);
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#endif /* __ISO_SUSP */
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