1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/archive.c	Fri Jan 09 02:31:29 2015 +0200
     1.3 @@ -0,0 +1,60 @@
     1.4 +#include <stdio.h>
     1.5 +#include <string.h>
     1.6 +#include <errno.h>
     1.7 +#include "archive.h"
     1.8 +#include "logger.h"
     1.9 +
    1.10 +static struct archive_module *modlist;
    1.11 +
    1.12 +int pkio_reg_archive_module(struct archive_module *m)
    1.13 +{
    1.14 +	m->next = modlist;
    1.15 +	modlist = m;
    1.16 +	return 0;
    1.17 +}
    1.18 +
    1.19 +struct archive *pkio_load_archive(const char *fname)
    1.20 +{
    1.21 +	FILE *fp;
    1.22 +	struct archive *ar;
    1.23 +
    1.24 +	if(!modlist) {
    1.25 +		pkio_logmsg("failed to load archive, no archive modules found\n");
    1.26 +		return 0;
    1.27 +	}
    1.28 +
    1.29 +	if(!(fp = fopen(fname, "rb"))) {
    1.30 +		pkio_logmsg("failed to load archive: %s: %s\n", fname, strerror(errno));
    1.31 +		return 0;
    1.32 +	}
    1.33 +
    1.34 +	if(!(ar = pkio_load_archive_file(fp))) {
    1.35 +		pkio_logmsg("failed to load archive: %s\n", fname);
    1.36 +		fclose(fp);
    1.37 +		return 0;
    1.38 +	}
    1.39 +	return ar;
    1.40 +}
    1.41 +
    1.42 +struct archive *pkio_load_archive_file(FILE *fp)
    1.43 +{
    1.44 +	struct archive *ar;
    1.45 +	struct archive_module *mod;
    1.46 +
    1.47 +	if(!modlist) {
    1.48 +		pkio_logmsg("failed to load archive, no archive modules found\n");
    1.49 +		return 0;
    1.50 +	}
    1.51 +
    1.52 +	/* try all the archive modules in turn */
    1.53 +	mod = modlist;
    1.54 +	while(mod) {
    1.55 +		if((ar = mod->load_archive(fp, mod->data))) {
    1.56 +			ar->module = mod;
    1.57 +			return ar;
    1.58 +		}
    1.59 +		mod = mod->next;
    1.60 +	}
    1.61 +
    1.62 +	return 0;
    1.63 +}