* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#define _GNU_SOURCE
+#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tools.h"
#include "lbx.h"
+
static void printusage(void)
{
puts("usage: lbxtool [-l|-x] [-v] [-f path] [file ...]");
int filematch(char **argv, const char *name)
{
- int rc, i;
+ int i;
for (i = 0; argv[i]; i++) {
switch(fnmatch(argv[i], name, 0)) {
return i ? -1: 0;
}
-int list(FILE *f, const char *name, int verbose, char **argv) {
- LBX *lbx;
+int list(LBX *lbx, const char *name, int verbose, char **argv) {
size_t nfiles;
unsigned int i;
- lbx = lbx_fopen(f, name);
- if (!lbx) {
- errmsg("failed to open archive: %s.\n", lbx_strerror());
- return EXIT_FAILURE;
- }
-
nfiles = lbx_numfiles(lbx);
if (verbose) {
printf("Files in archive: %zu\n", nfiles);
switch (filematch(argv, stat.name)) {
case -1: continue;
case 0: break;
- default: goto err;
+ default: return EXIT_FAILURE;
}
printf("%s", stat.name);
putchar('\n');
}
- lbx_close(lbx);
return EXIT_SUCCESS;
-err:
- lbx_close(lbx);
- return EXIT_FAILURE;
}
-int extract(FILE *f, const char *name, int verbose, char **argv) {
- LBX *lbx;
+int extract(LBX *lbx, const char *name, int verbose, char **argv) {
size_t nfiles;
unsigned int i;
- lbx = lbx_fopen(f, name);
- if (!lbx) {
- errmsg("failed to open archive: %s.\n", lbx_strerror());
- return EXIT_FAILURE;
- }
-
nfiles = lbx_numfiles(lbx);
if (verbose) {
printf("Files in archive: %zu\n", nfiles);
switch (filematch(argv, stat.name)) {
case -1: continue;
case 0: break;
- default: goto err;
+ default: return EXIT_FAILURE;
}
of = fopen(stat.name, "wbx");
if (!of) {
errmsg("failed to create output file %s: %m.\n",
stat.name);
- goto err;
+ return EXIT_FAILURE;
}
if (verbose) printf("extracting %s...\n", stat.name);
if (rc == 0) remove(stat.name);
errmsg("error extracting %s: %s.\n",
stat.name, lbx_strerror());
- goto err;
+ return EXIT_FAILURE;
}
if (verbose) printf("wrote %zu bytes.\n", rc);
}
- lbx_close(lbx);
return EXIT_SUCCESS;
-err:
- lbx_close(lbx);
- return EXIT_FAILURE;
}
int main(int argc, char **argv)
{
- int mode = MODE_NONE, verbose = 0;
+ int mode = MODE_NONE, verbose = 0, opt, rc = EXIT_FAILURE;
+ struct lbx_pipe_state state = { .f = stdin };
const char *name = "stdin";
- FILE *f = stdin;
- int opt;
+ LBX *lbx;
static const char *sopts = "lxf:i:vV";
static const struct option lopts[] = {
name = strrchr(optarg, '/');
name = name ? name+1 : optarg;
- f = fopen(optarg, "rb");
- if (!f) {
+ if (!freopen(optarg, "rb", state.f)) {
errmsg("failed to open file %s: %m\n", optarg);
return EXIT_FAILURE;
}
}
}
+ if (fseek(state.f, 0, SEEK_CUR) == 0)
+ lbx = lbx_open(state.f, &lbx_default_fops, NULL, name);
+ else
+ lbx = lbx_open(&state, &lbx_pipe_fops, NULL, name);
+
+ if (!lbx) {
+ errmsg("failed to open archive: %s.\n", lbx_strerror());
+ return EXIT_FAILURE;
+ }
+
switch (mode) {
case MODE_LIST:
- return list(f, name, verbose, &argv[optind]);
+ rc = list(lbx, name, verbose, &argv[optind]);
+ break;
case MODE_EXTRACT:
- return extract(f, name, verbose, &argv[optind]);
+ rc = extract(lbx, name, verbose, &argv[optind]);
+ break;
+ default:
+ fprintf(stderr, "%s: you must specify a mode.\n", progname);
}
- fprintf(stderr, "%s: you must specify a mode.\n", progname);
- return EXIT_FAILURE;
+ lbx_close(lbx);
+ return rc;
}