1 #ifndef ARCHIVE_H_

2 #define ARCHIVE_H_

3

4 typedef void AR_FILE;

5

6 struct archive;

7

8 struct archive_module {

9 char *name;

10 void *data;

11

12 struct archive *(*load_archive)(FILE *fp, void *data);

13 int (*close_archive)(struct archive *ar, void *data);

14

15 AR_FILE *(*open)(struct archive *ar, const char *path, void *data);

16 int (*close)(struct archive *ar, AR_FILE *fp, void *data);

17 int (*read)(struct archive *ar, AR_FILE *fp, void *buf, int sz, void *data);

18 int (*write)(struct archive *ar, AR_FILE *fp, void *buf, int sz, void *data);

19 int (*seek)(struct archive *ar, AR_FILE *fp, int offs, int whence, void *data);

20

21 struct archive_module *next;

22 };

23

24 struct archive {

25 FILE *fp;

26 struct archive_module *module;

27 };

28

29 int pkio_reg_archive_module(struct archive_module *m);

30

31 struct archive *pkio_load_archive(const char *fname);

32 struct archive *pkio_load_archive_file(FILE *fp);

33 void pkio_close_archive(struct archive *ar);

34

35 /* these map onto the function pointers used by the archive module */

36 AR_FILE *pkio_ar_open(struct archive *ar, const char *path);

37 int pkio_ar_close(struct archive *ar, AR_FILE *fp);

38 int pkio_ar_read(struct archive *ar, AR_FILE *fp, void *buf, int sz);

39 int pkio_ar_write(struct archive *ar, AR_FILE *fp, void *buf, int sz);

40 int pkio_ar_seek(struct archive *ar, AR_FILE *fp, int offs, int whence);

41

42 #endif /* ARCHIVE_H_ */