1 #include <stdio.h>

2 #include <string.h>

3 #include <errno.h>

4 #include "archive.h"

5 #include "logger.h"

6

7 static struct archive_module *modlist;

8

9 int pkio_reg_archive_module(struct archive_module *m)

10 {

11 m->next = modlist;

12 modlist = m;

13 return 0;

14 }

15

16 struct archive *pkio_load_archive(const char *fname)

17 {

18 FILE *fp;

19 struct archive *ar;

20

21 if(!modlist) {

22 pkio_logmsg("failed to load archive, no archive modules found\n");

23 return 0;

24 }

25

26 if(!(fp = fopen(fname, "rb"))) {

27 pkio_logmsg("failed to load archive: %s: %s\n", fname, strerror(errno));

28 return 0;

29 }

30

31 if(!(ar = pkio_load_archive_file(fp))) {

32 pkio_logmsg("failed to load archive: %s\n", fname);

33 fclose(fp);

34 return 0;

35 }

36 return ar;

37 }

38

39 struct archive *pkio_load_archive_file(FILE *fp)

40 {

41 struct archive *ar;

42 struct archive_module *mod;

43

44 if(!modlist) {

45 pkio_logmsg("failed to load archive, no archive modules found\n");

46 return 0;

47 }

48

49 /* try all the archive modules in turn */

50 mod = modlist;

51 while(mod) {

52 if((ar = mod->load_archive(fp, mod->data))) {

53 ar->module = mod;

54 return ar;

55 }

56 mod = mod->next;

57 }

58

59 return 0;

60 }