main.c (02.09.09)
exFAT file system checker.
- Copyright (C) 2009, 2010 Andrew Nayenko
+ Free exFAT implementation.
+ Copyright (C) 2011-2015 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 <exfat.h>
#include <stdio.h>
#include <string.h>
-#include <exfat.h>
-#include <exfatfs.h>
#include <inttypes.h>
+#include <unistd.h>
#define exfat_debug(format, ...)
-#define MB (1024 * 1024)
-
-#define BMAP_GET(bitmap, index) ((bitmap)[(index) / 8] & (1u << ((index) % 8)))
-
uint64_t files_count, directories_count;
-static uint64_t bytes2mb(uint64_t bytes)
-{
- return (bytes + MB / 2) / MB;
-}
-
-static void sbck(const struct exfat* ef)
-{
- const uint64_t total = (uint64_t) le32_to_cpu(ef->sb->cluster_count) *
- CLUSTER_SIZE(*ef->sb);
-
- printf("Block size %8u bytes\n", BLOCK_SIZE(*ef->sb));
- printf("Cluster size %8u bytes\n", CLUSTER_SIZE(*ef->sb));
- printf("Total space %8"PRIu64" MB\n", bytes2mb(total));
- printf("Used space %8hhu%%\n", ef->sb->allocated_percent);
-}
-
-static void nodeck(struct exfat* ef, struct exfat_node* node)
+static int nodeck(struct exfat* ef, struct exfat_node* node)
{
const cluster_t cluster_size = CLUSTER_SIZE(*ef->sb);
cluster_t clusters = (node->size + cluster_size - 1) / cluster_size;
cluster_t c = node->start_cluster;
-
+ int rc = 0;
+
while (clusters--)
{
if (CLUSTER_INVALID(c))
{
- char name[EXFAT_NAME_MAX + 1];
+ char name[UTF8_BYTES(EXFAT_NAME_MAX) + 1];
- exfat_get_name(node, name, EXFAT_NAME_MAX);
- exfat_error("file `%s' has invalid cluster", name);
- return;
+ exfat_get_name(node, name, sizeof(name) - 1);
+ exfat_error("file '%s' has invalid cluster 0x%x", name, c);
+ rc = 1;
+ break;
}
if (BMAP_GET(ef->cmap.chunk, c - EXFAT_FIRST_DATA_CLUSTER) == 0)
{
- char name[EXFAT_NAME_MAX + 1];
+ char name[UTF8_BYTES(EXFAT_NAME_MAX) + 1];
- exfat_get_name(node, name, EXFAT_NAME_MAX);
- exfat_error("cluster 0x%x of file `%s' is not allocated", c, name);
+ exfat_get_name(node, name, sizeof(name) - 1);
+ exfat_error("cluster 0x%x of file '%s' is not allocated", c, name);
+ rc = 1;
}
c = exfat_next_cluster(ef, node, c);
}
+ return rc;
}
static void dirck(struct exfat* ef, const char* path)
char* entry_path;
if (exfat_lookup(ef, &parent, path) != 0)
- exfat_bug("directory `%s' is not found", path);
+ exfat_bug("directory '%s' is not found", path);
if (!(parent->flags & EXFAT_ATTRIB_DIR))
- exfat_bug("`%s' is not a directory (0x%x)", path, parent->flags);
+ exfat_bug("'%s' is not a directory (0x%x)", path, parent->flags);
+ if (nodeck(ef, parent) != 0)
+ {
+ exfat_put_node(ef, parent);
+ return;
+ }
path_length = strlen(path);
- entry_path = malloc(path_length + 1 + EXFAT_NAME_MAX);
+ entry_path = malloc(path_length + 1 + UTF8_BYTES(EXFAT_NAME_MAX) + 1);
if (entry_path == NULL)
{
+ exfat_put_node(ef, parent);
exfat_error("out of memory");
return;
}
rc = exfat_opendir(ef, parent, &it);
if (rc != 0)
{
+ free(entry_path);
exfat_put_node(ef, parent);
- exfat_error("failed to open directory `%s'", path);
return;
}
while ((node = exfat_readdir(ef, &it)))
{
- exfat_get_name(node, entry_path + path_length + 1, EXFAT_NAME_MAX);
+ exfat_get_name(node, entry_path + path_length + 1,
+ UTF8_BYTES(EXFAT_NAME_MAX));
exfat_debug("%s: %s, %"PRIu64" bytes, cluster %u", entry_path,
IS_CONTIGUOUS(*node) ? "contiguous" : "fragmented",
node->size, node->start_cluster);
dirck(ef, entry_path);
}
else
+ {
files_count++;
- nodeck(ef, node);
+ nodeck(ef, node);
+ }
exfat_put_node(ef, node);
}
exfat_closedir(ef, &it);
static void fsck(struct exfat* ef)
{
- sbck(ef);
+ exfat_print_info(ef->sb, exfat_count_free_clusters(ef));
dirck(ef, "");
}
+static void usage(const char* prog)
+{
+ fprintf(stderr, "Usage: %s [-V] <device>\n", prog);
+ exit(1);
+}
+
int main(int argc, char* argv[])
{
+ int opt;
+ const char* spec = NULL;
struct exfat ef;
- if (argc != 2)
+ printf("exfatfsck %s\n", VERSION);
+
+ while ((opt = getopt(argc, argv, "V")) != -1)
{
- fprintf(stderr, "usage: %s <spec>\n", argv[0]);
- return 1;
+ switch (opt)
+ {
+ case 'V':
+ puts("Copyright (C) 2011-2015 Andrew Nayenko");
+ return 0;
+ default:
+ usage(argv[0]);
+ break;
+ }
}
- printf("exfatfsck %u.%u.%u\n",
- EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH);
+ if (argc - optind != 1)
+ usage(argv[0]);
+ spec = argv[optind];
- if (exfat_mount(&ef, argv[1], "ro") != 0)
+ if (exfat_mount(&ef, spec, "ro") != 0)
return 1;
- printf("Checking file system on %s.\n", argv[1]);
+ printf("Checking file system on %s.\n", spec);
fsck(&ef);
exfat_unmount(&ef);
printf("Totally %"PRIu64" directories and %"PRIu64" files.\n",
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