17 size_t (*read)(void *buf, size_t size, void *handle);
18 int (*seek)(void *handle, long offset, int whence);
19 long (*tell)(void *handle);
20 int (*eof) (void *handle);
23 struct lbx_pipe_state {
28 /* Default I/O operations for ordinary files. */
29 extern const struct lbx_file_ops lbx_default_fops;
31 /* I/O operations for un-seekable files (e.g. pipes). */
32 extern const struct lbx_file_ops lbx_pipe_fops;
34 /* I/O operations for LBX archive members. */
35 extern const struct lbx_file_ops lbx_arch_fops;
38 typedef struct lbx_state LBX;
39 typedef struct lbx_file_state LBXfile;
46 /* Archive operations */
47 LBX *lbx_open(void *handle, const struct lbx_file_ops *fops,
48 int (*destructor)(void *handle), const char *name);
49 LBX *lbx_fopen(const char *);
50 LBX *lbx_mopen(void *, size_t, const char *);
52 size_t lbx_numfiles(LBX *);
55 int lbx_stat(LBX *, size_t, struct lbx_statbuf *);
57 LBXfile *lbx_file_open(LBX *lbx, unsigned fileno);
58 size_t lbx_file_read(LBXfile *f, void *buf, size_t n);
59 int lbx_file_seek(LBXfile *f, long offset, int whence);
60 long lbx_file_tell(LBXfile *f);
61 int lbx_file_eof(LBXfile *f);
62 void lbx_file_close(LBXfile *f);
65 const char *lbx_strerror(void);