mirror of
https://github.com/Oibaf66/uae-wii.git
synced 2024-06-03 00:58:47 +02:00
119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/*
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* UAE - The Un*x Amiga Emulator
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*
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* Library of functions to make emulated filesystem as independent as
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* possible of the host filesystem's capabilities.
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*
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* Copyright 1999 Bernd Schmidt
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*/
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#ifndef FSDB_FILE
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#define FSDB_FILE "_UAEFSDB.___"
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#endif
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#ifndef FSDB_DIR_SEPARATOR
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#define FSDB_DIR_SEPARATOR '/'
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#endif
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/* AmigaOS errors */
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#define ERROR_BAD_NUMBER 6
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#define ERROR_NO_FREE_STORE 103
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#define ERROR_OBJECT_IN_USE 202
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#define ERROR_OBJECT_EXISTS 203
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#define ERROR_DIR_NOT_FOUND 204
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#define ERROR_OBJECT_NOT_AROUND 205
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#define ERROR_ACTION_NOT_KNOWN 209
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#define ERROR_INVALID_LOCK 211
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#define ERROR_OBJECT_WRONG_TYPE 212
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#define ERROR_DISK_WRITE_PROTECTED 214
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#define ERROR_DIRECTORY_NOT_EMPTY 216
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#define ERROR_DEVICE_NOT_MOUNTED 218
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#define ERROR_SEEK_ERROR 219
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#define ERROR_DISK_IS_FULL 221
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#define ERROR_DELETE_PROTECTED 222
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#define ERROR_WRITE_PROTECTED 223
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#define ERROR_READ_PROTECTED 224
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#define ERROR_NO_MORE_ENTRIES 232
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#define ERROR_NOT_IMPLEMENTED 236
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#define A_FIBF_HIDDEN (1<<7)
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#define A_FIBF_SCRIPT (1<<6)
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#define A_FIBF_PURE (1<<5)
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#define A_FIBF_ARCHIVE (1<<4)
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#define A_FIBF_READ (1<<3)
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#define A_FIBF_WRITE (1<<2)
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#define A_FIBF_EXECUTE (1<<1)
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#define A_FIBF_DELETE (1<<0)
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/* AmigaOS "keys" */
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typedef struct a_inode_struct {
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#ifdef AINO_DEBUG
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uae_u32 checksum1;
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#endif
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/* Circular list of recycleable a_inodes. */
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struct a_inode_struct *next, *prev;
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/* This a_inode's relatives in the directory structure. */
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struct a_inode_struct *parent;
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struct a_inode_struct *child, *sibling;
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/* AmigaOS name, and host OS name. The host OS name is a full path, the
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* AmigaOS name is relative to the parent. */
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char *aname;
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char *nname;
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/* AmigaOS file comment, or NULL if file has none. */
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char *comment;
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/* AmigaOS protection bits. */
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int amigaos_mode;
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/* Unique number for identification. */
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uae_u32 uniq;
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/* For a directory that is being ExNext()ed, the number of child ainos
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which must be kept locked in core. */
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unsigned long locked_children;
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/* How many ExNext()s are going on in this directory? */
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unsigned long exnext_count;
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/* AmigaOS locking bits. */
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int shlock;
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long db_offset;
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unsigned int dir:1;
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unsigned int elock:1;
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/* Nonzero if this came from an entry in our database. */
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unsigned int has_dbentry:1;
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/* Nonzero if this will need an entry in our database. */
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unsigned int needs_dbentry:1;
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/* This a_inode possibly needs writing back to the database. */
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unsigned int dirty:1;
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/* If nonzero, this represents a deleted file; the corresponding
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* entry in the database must be cleared. */
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unsigned int deleted:1;
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#ifdef AINO_DEBUG
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uae_u32 checksum2;
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#endif
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} a_inode;
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extern char *nname_begin (char *);
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extern char *build_nname (const char *d, const char *n);
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extern char *build_aname (const char *d, const char *n);
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/* Filesystem-independent functions. */
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extern void fsdb_clean_dir (a_inode *);
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extern char *fsdb_search_dir (const char *dirname, char *rel);
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extern void fsdb_dir_writeback (a_inode *);
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extern int fsdb_used_as_nname (a_inode *base, const char *);
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extern a_inode *fsdb_lookup_aino_aname (a_inode *base, const char *);
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extern a_inode *fsdb_lookup_aino_nname (a_inode *base, const char *);
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extern int fsdb_exists (char *nname);
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STATIC_INLINE int same_aname (const char *an1, const char *an2)
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{
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return strcasecmp (an1, an2) == 0;
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}
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/* Filesystem-dependent functions. */
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extern int fsdb_name_invalid (const char *n);
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extern int fsdb_fill_file_attrs (a_inode *, a_inode *);
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extern int fsdb_set_file_attrs (a_inode *);
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extern int fsdb_mode_representable_p (const a_inode *);
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extern char *fsdb_create_unique_nname (a_inode *base, const char *);
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extern int dos_errno (void);
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