main.c (08.11.10)
Prints detailed information about exFAT volume.
- Copyright (C) 2010 Andrew Nayenko
+ Free exFAT implementation.
+ Copyright (C) 2011-2013 Andrew Nayenko
- This program is free software: you can redistribute it and/or modify
+ This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
+ the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <fcntl.h>
printf("FS version %hhu.%hhu\n",
sb->version.major, sb->version.minor);
printf("Sector size %10u\n",
- BLOCK_SIZE(*sb));
+ SECTOR_SIZE(*sb));
printf("Cluster size %10u\n",
CLUSTER_SIZE(*sb));
}
-static void print_block_info(const struct exfat_super_block* sb)
+static void print_sector_info(const struct exfat_super_block* sb)
{
printf("Sectors count %10"PRIu64"\n",
- le64_to_cpu(sb->block_count));
+ le64_to_cpu(sb->sector_count));
}
static void print_cluster_info(const struct exfat_super_block* sb)
static void print_other_info(const struct exfat_super_block* sb)
{
printf("First sector %10"PRIu64"\n",
- le64_to_cpu(sb->block_start));
+ le64_to_cpu(sb->sector_start));
printf("FAT first sector %10u\n",
- le32_to_cpu(sb->fat_block_start));
+ le32_to_cpu(sb->fat_sector_start));
printf("FAT sectors count %10u\n",
- le32_to_cpu(sb->fat_block_count));
+ le32_to_cpu(sb->fat_sector_count));
printf("First cluster sector %10u\n",
- le32_to_cpu(sb->cluster_block_start));
+ le32_to_cpu(sb->cluster_sector_start));
printf("Root directory cluster %10u\n",
le32_to_cpu(sb->rootdir_cluster));
printf("Volume state 0x%04hx\n",
static int dump_sb(const char* spec)
{
- int fd;
+ struct exfat_dev* dev;
struct exfat_super_block sb;
- fd = open(spec, O_RDONLY);
- if (fd < 0)
- {
- exfat_error("failed to open `%s'", spec);
+ dev = exfat_open(spec, EXFAT_MODE_RO);
+ if (dev == NULL)
return 1;
- }
- if (read(fd, &sb, sizeof(struct exfat_super_block))
- != sizeof(struct exfat_super_block))
+
+ if (exfat_read(dev, &sb, sizeof(struct exfat_super_block)) < 0)
{
- close(fd);
+ exfat_close(dev);
exfat_error("failed to read from `%s'", spec);
return 1;
}
if (memcmp(sb.oem_name, "EXFAT ", sizeof(sb.oem_name)) != 0)
{
- close(fd);
+ exfat_close(dev);
exfat_error("exFAT file system is not found on `%s'", spec);
return 1;
}
print_generic_info(&sb);
- print_block_info(&sb);
+ print_sector_info(&sb);
print_cluster_info(&sb);
print_other_info(&sb);
- close(fd);
+ exfat_close(dev);
return 0;
}
-static int dump_full(const char* spec)
+static void dump_sectors(struct exfat* ef)
+{
+ off_t a = 0, b = 0;
+
+ printf("Used sectors ");
+ while (exfat_find_used_sectors(ef, &a, &b) == 0)
+ printf(" %"PRIu64"-%"PRIu64, a, b);
+ puts("");
+}
+
+static int dump_full(const char* spec, bool used_sectors)
{
struct exfat ef;
uint32_t free_clusters;
- uint64_t free_blocks;
+ uint64_t free_sectors;
if (exfat_mount(&ef, spec, "ro") != 0)
return 1;
free_clusters = exfat_count_free_clusters(&ef);
- free_blocks = (uint64_t) free_clusters << ef.sb->bpc_bits;
+ free_sectors = (uint64_t) free_clusters << ef.sb->spc_bits;
printf("Volume label %15s\n", exfat_get_label(&ef));
print_generic_info(ef.sb);
- print_block_info(ef.sb);
- printf("Free sectors %10"PRIu64"\n", free_blocks);
+ print_sector_info(ef.sb);
+ printf("Free sectors %10"PRIu64"\n", free_sectors);
print_cluster_info(ef.sb);
printf("Free clusters %10u\n", free_clusters);
print_other_info(ef.sb);
+ if (used_sectors)
+ dump_sectors(&ef);
exfat_unmount(&ef);
return 0;
static void usage(const char* prog)
{
- fprintf(stderr, "Usage: %s [-s] <device>\n", prog);
+ fprintf(stderr, "Usage: %s [-s] [-u] [-V] <device>\n", prog);
exit(1);
}
int main(int argc, char* argv[])
{
- char** pp;
+ int opt;
const char* spec = NULL;
- int sb_only = 0;
+ bool sb_only = false;
+ bool used_sectors = false;
- for (pp = argv + 1; *pp; pp++)
+ printf("dumpexfat %u.%u.%u\n",
+ EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH);
+
+ while ((opt = getopt(argc, argv, "suV")) != -1)
{
- if (strcmp(*pp, "-s") == 0)
- sb_only = 1;
- else if (spec == NULL)
- spec = *pp;
- else
+ switch (opt)
+ {
+ case 's':
+ sb_only = true;
+ break;
+ case 'u':
+ used_sectors = true;
+ break;
+ case 'V':
+ puts("Copyright (C) 2011-2013 Andrew Nayenko");
+ return 0;
+ default:
usage(argv[0]);
+ }
}
- if (spec == NULL)
+ if (argc - optind != 1)
usage(argv[0]);
+ spec = argv[optind];
if (sb_only)
return dump_sb(spec);
- else
- return dump_full(spec);
+
+ return dump_full(spec, used_sectors);
}
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