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-rw-r--r--util-linux/fsck_minix.c322
1 files changed, 131 insertions, 191 deletions
diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index 44bcd33..ebfd645 100644
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -90,146 +90,83 @@
#include "busybox.h"
#include <mntent.h>
-/*
- * This is the original minix inode layout on disk.
- * Note the 8-bit gid and atime and ctime.
- */
-struct minix_inode {
- uint16_t i_mode;
- uint16_t i_uid;
- uint32_t i_size;
- uint32_t i_time;
- uint8_t i_gid;
- uint8_t i_nlinks;
- uint16_t i_zone[9];
-};
+#include "minix.h"
-/*
- * The new minix inode has all the time entries, as well as
- * long block numbers and a third indirect block (7+1+1+1
- * instead of 7+1+1). Also, some previously 8-bit values are
- * now 16-bit. The inode is now 64 bytes instead of 32.
- */
-struct minix2_inode {
- uint16_t i_mode;
- uint16_t i_nlinks;
- uint16_t i_uid;
- uint16_t i_gid;
- uint32_t i_size;
- uint32_t i_atime;
- uint32_t i_mtime;
- uint32_t i_ctime;
- uint32_t i_zone[10];
-};
+#ifndef BLKGETSIZE
+#define BLKGETSIZE _IO(0x12,96) /* return device size */
+#endif
-/* Believe it or not, but mount.h has this one */
-#undef BLOCK_SIZE
+#ifdef UNUSED
enum {
- BLOCK_SIZE = 1024,
-
- MINIX_ROOT_INO = 1,
- MINIX_LINK_MAX = 250,
+ MINIX1_LINK_MAX = 250,
MINIX2_LINK_MAX = 65530,
-
MINIX_I_MAP_SLOTS = 8,
MINIX_Z_MAP_SLOTS = 64,
- MINIX_SUPER_MAGIC = 0x137F, /* original minix fs */
- MINIX_SUPER_MAGIC2 = 0x138F, /* minix fs, 30 char names */
- MINIX2_SUPER_MAGIC = 0x2468, /* minix V2 fs */
- MINIX2_SUPER_MAGIC2 = 0x2478, /* minix V2 fs, 30 char names */
- MINIX_VALID_FS = 0x0001, /* Clean fs. */
- MINIX_ERROR_FS = 0x0002, /* fs has errors. */
-
- MINIX_INODES_PER_BLOCK = ((BLOCK_SIZE)/(sizeof (struct minix_inode))),
- MINIX2_INODES_PER_BLOCK = ((BLOCK_SIZE)/(sizeof (struct minix2_inode))),
-
- MINIX_V1 = 0x0001, /* original minix fs */
- MINIX_V2 = 0x0002 /* minix V2 fs */
-};
-
-#define INODE_VERSION(inode) inode->i_sb->u.minix_sb.s_version
-
-/*
- * minix super-block data on disk
- */
-struct minix_super_block {
- uint16_t s_ninodes;
- uint16_t s_nzones;
- uint16_t s_imap_blocks;
- uint16_t s_zmap_blocks;
- uint16_t s_firstdatazone;
- uint16_t s_log_zone_size;
- uint32_t s_max_size;
- uint16_t s_magic;
- uint16_t s_state;
- uint32_t s_zones;
-};
-
-struct minix_dir_entry {
- uint16_t inode;
- char name[0];
+ MINIX_V1 = 0x0001, /* original minix fs */
+ MINIX_V2 = 0x0002, /* minix V2 fs */
+ NAME_MAX = 255, /* # chars in a file name */
};
-
-
-#define NAME_MAX 255 /* # chars in a file name */
-
-#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))
-
-#ifndef BLKGETSIZE
-#define BLKGETSIZE _IO(0x12,96) /* return device size */
#endif
-enum { ROOT_INO = 1 };
-
-#define UPPER(size,n) ((size+((n)-1))/(n))
-#define INODE_SIZE (sizeof(struct minix_inode))
-#ifdef CONFIG_FEATURE_MINIX2
-#define INODE_SIZE2 (sizeof(struct minix2_inode))
-#define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \
- : MINIX_INODES_PER_BLOCK))
+#if ENABLE_FEATURE_MINIX2
+static smallint version2;
#else
-#define INODE_BLOCKS UPPER(INODES, (MINIX_INODES_PER_BLOCK))
+enum { version2 = 0 };
#endif
-#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
-
-#define BITS_PER_BLOCK (BLOCK_SIZE<<3)
#define PROGRAM_VERSION "1.2 - 11/11/96"
-static char *device_name;
-static int IN;
static smallint repair, automatic, verbose, list, show, warn_mode, force;
-static int directory, regular, blockdev, chardev, links, symlinks, total;
+static smallint changed; /* is filesystem modified? */
+static smallint errors_uncorrected; /* flag if some error was not corrected */
-static struct termios termios;
static smallint termios_set;
+static struct termios termios;
+
+static char *device_name;
+static int IN;
+static int directory, regular, blockdev, chardev, links, symlinks, total;
-static smallint changed; /* flags if the filesystem has been changed */
-static smallint errors_uncorrected; /* flag if some error was not corrected */
//also smallint?
static int dirsize = 16;
static int namelen = 14;
static char *inode_buffer;
-#define Inode (((struct minix_inode *) inode_buffer)-1)
-#define Inode2 (((struct minix2_inode *) inode_buffer)-1)
//xzalloc?
static char super_block_buffer[BLOCK_SIZE];
+#define Inode1 (((struct minix1_inode *) inode_buffer)-1)
+#define Inode2 (((struct minix2_inode *) inode_buffer)-1)
+
#define Super (*(struct minix_super_block *)super_block_buffer)
-#define INODES ((unsigned long)Super.s_ninodes)
-#ifdef CONFIG_FEATURE_MINIX2
-static smallint version2;
-#define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones))
+
+#if ENABLE_FEATURE_MINIX2
+# define ZONES ((unsigned)(version2 ? Super.s_zones : Super.s_nzones))
#else
-#define ZONES ((unsigned long)(Super.s_nzones))
+# define ZONES ((unsigned)(Super.s_nzones))
+#endif
+#define INODES ((unsigned)Super.s_ninodes)
+#define IMAPS ((unsigned)Super.s_imap_blocks)
+#define ZMAPS ((unsigned)Super.s_zmap_blocks)
+#define FIRSTZONE ((unsigned)Super.s_firstdatazone)
+#define ZONESIZE ((unsigned)Super.s_log_zone_size)
+#define MAXSIZE ((unsigned)Super.s_max_size)
+#define MAGIC (Super.s_magic)
+
+/* gcc likes this more (code is smaller) than macro variant */
+static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
+{
+ return (size + n-1) / n;
+}
+
+#if ENABLE_FEATURE_MINIX2
+#define INODE_BLOCKS div_roundup(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \
+ : MINIX1_INODES_PER_BLOCK))
+#else
+#define INODE_BLOCKS div_roundup(INODES, MINIX1_INODES_PER_BLOCK)
#endif
-#define IMAPS ((unsigned long)Super.s_imap_blocks)
-#define ZMAPS ((unsigned long)Super.s_zmap_blocks)
-#define FIRSTZONE ((unsigned long)Super.s_firstdatazone)
-#define ZONESIZE ((unsigned long)Super.s_log_zone_size)
-#define MAXSIZE ((unsigned long)Super.s_max_size)
-#define MAGIC (Super.s_magic)
-#define NORM_FIRSTZONE (2+IMAPS+ZMAPS+INODE_BLOCKS)
+
+#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
+#define NORM_FIRSTZONE (2 + IMAPS + ZMAPS + INODE_BLOCKS)
static char *inode_map;
static char *zone_map;
@@ -237,15 +174,11 @@ static char *zone_map;
static unsigned char *inode_count;
static unsigned char *zone_count;
-static void recursive_check(unsigned int ino);
-#ifdef CONFIG_FEATURE_MINIX2
-static void recursive_check2(unsigned int ino);
-#endif
-
static int bit(char *a, unsigned int i)
{
return (a[i >> 3] & (1<<(i & 7))) != 0;
}
+
#define inode_in_use(x) (bit(inode_map,(x)))
#define zone_in_use(x) (bit(zone_map,(x)-FIRSTZONE+1))
@@ -255,6 +188,12 @@ static int bit(char *a, unsigned int i)
#define mark_zone(x) (setbit(zone_map,(x)-FIRSTZONE+1),changed=1)
#define unmark_zone(x) (clrbit(zone_map,(x)-FIRSTZONE+1),changed=1)
+
+static void recursive_check(unsigned int ino);
+#if ENABLE_FEATURE_MINIX2
+static void recursive_check2(unsigned int ino);
+#endif
+
static void leave(int) ATTRIBUTE_NORETURN;
static void leave(int status)
{
@@ -285,7 +224,7 @@ static void alloc_current_name(void)
name_component[0] = &current_name[0];
}
-#ifdef CONFIG_FEATURE_CLEAN_UP
+#if ENABLE_FEATURE_CLEAN_UP
/* execute this atexit() to deallocate name_list[] */
/* piptigger was here */
static void free_current_name(void)
@@ -488,7 +427,7 @@ static void write_block(unsigned int nr, char *addr)
* It sets 'changed' if the inode has needed changing, and re-writes
* any indirect blocks with errors.
*/
-static int map_block(struct minix_inode *inode, unsigned int blknr)
+static int map_block(struct minix1_inode *inode, unsigned int blknr)
{
uint16_t ind[BLOCK_SIZE >> 1];
uint16_t dind[BLOCK_SIZE >> 1];
@@ -523,7 +462,7 @@ static int map_block(struct minix_inode *inode, unsigned int blknr)
return result;
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static int map_block2(struct minix2_inode *inode, unsigned int blknr)
{
uint32_t ind[BLOCK_SIZE >> 2];
@@ -618,12 +557,12 @@ static void get_dirsize(void)
char blk[BLOCK_SIZE];
int size;
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
if (version2)
- block = Inode2[ROOT_INO].i_zone[0];
+ block = Inode2[MINIX_ROOT_INO].i_zone[0];
else
#endif
- block = Inode[ROOT_INO].i_zone[0];
+ block = Inode1[MINIX_ROOT_INO].i_zone[0];
read_block(block, blk);
for (size = 16; size < BLOCK_SIZE; size <<= 1) {
if (strcmp(blk + size + 2, "..") == 0) {
@@ -646,11 +585,11 @@ static void read_superblock(void)
dirsize = 16;
version2 = 0;
*/
- if (MAGIC == MINIX_SUPER_MAGIC) {
- } else if (MAGIC == MINIX_SUPER_MAGIC2) {
+ if (MAGIC == MINIX1_SUPER_MAGIC) {
+ } else if (MAGIC == MINIX1_SUPER_MAGIC2) {
namelen = 30;
dirsize = 32;
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
} else if (MAGIC == MINIX2_SUPER_MAGIC) {
version2 = 1;
} else if (MAGIC == MINIX2_SUPER_MAGIC2) {
@@ -687,13 +626,13 @@ static void read_tables(void)
}
get_dirsize();
if (show) {
- printf("%ld inodes\n"
- "%ld blocks\n"
- "Firstdatazone=%ld (%ld)\n"
- "Zonesize=%d\n"
- "Maxsize=%ld\n"
- "Filesystem state=%d\n"
- "namelen=%d\n\n",
+ printf("%u inodes\n"
+ "%u blocks\n"
+ "Firstdatazone=%u (%u)\n"
+ "Zonesize=%u\n"
+ "Maxsize=%u\n"
+ "Filesystem state=%u\n"
+ "namelen=%u\n\n",
INODES,
ZONES,
FIRSTZONE, NORM_FIRSTZONE,
@@ -704,17 +643,17 @@ static void read_tables(void)
}
}
-static struct minix_inode *get_inode(unsigned int nr)
+static struct minix1_inode *get_inode(unsigned int nr)
{
- struct minix_inode *inode;
+ struct minix1_inode *inode;
if (!nr || nr > INODES)
return NULL;
total++;
- inode = Inode + nr;
+ inode = Inode1 + nr;
if (!inode_count[nr]) {
if (!inode_in_use(nr)) {
- printf("Inode %d is marked as 'unused', but it is used "
+ printf("Inode1 %d is marked as 'unused', but it is used "
"for file '%s'\n", nr, current_name);
if (repair) {
if (ask("Mark as 'in use'", 1))
@@ -749,7 +688,7 @@ static struct minix_inode *get_inode(unsigned int nr)
return inode;
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static struct minix2_inode *get_inode2(unsigned int nr)
{
struct minix2_inode *inode;
@@ -760,7 +699,7 @@ static struct minix2_inode *get_inode2(unsigned int nr)
inode = Inode2 + nr;
if (!inode_count[nr]) {
if (!inode_in_use(nr)) {
- printf("Inode %d is marked as 'unused', but it is used "
+ printf("Inode1 %d is marked as 'unused', but it is used "
"for file '%s'\n", nr, current_name);
if (repair) {
if (ask("Mark as 'in use'", 1))
@@ -797,20 +736,22 @@ static struct minix2_inode *get_inode2(unsigned int nr)
static void check_root(void)
{
- struct minix_inode *inode = Inode + ROOT_INO;
+ struct minix1_inode *inode = Inode1 + MINIX_ROOT_INO;
if (!inode || !S_ISDIR(inode->i_mode))
die("root inode isn't a directory");
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void check_root2(void)
{
- struct minix2_inode *inode = Inode2 + ROOT_INO;
+ struct minix2_inode *inode = Inode2 + MINIX_ROOT_INO;
if (!inode || !S_ISDIR(inode->i_mode))
die("root inode isn't a directory");
}
+#else
+void check_root2(void);
#endif
static int add_zone(uint16_t *znr, smallint *corrected)
@@ -843,7 +784,7 @@ static int add_zone(uint16_t *znr, smallint *corrected)
return block;
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static int add_zone2(uint32_t *znr, smallint *corrected)
{
int result;
@@ -892,7 +833,7 @@ static void add_zone_ind(uint16_t *znr, smallint *corrected)
write_block(block, blk);
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void add_zone_ind2(uint32_t *znr, smallint *corrected)
{
static char blk[BLOCK_SIZE];
@@ -928,7 +869,7 @@ static void add_zone_dind(uint16_t *znr, smallint *corrected)
write_block(block, blk);
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void add_zone_dind2(uint32_t *znr, smallint *corrected)
{
static char blk[BLOCK_SIZE];
@@ -966,13 +907,13 @@ static void add_zone_tind2(uint32_t *znr, smallint *corrected)
static void check_zones(unsigned int i)
{
- struct minix_inode *inode;
+ struct minix1_inode *inode;
if (!i || i > INODES)
return;
if (inode_count[i] > 1) /* have we counted this file already? */
return;
- inode = Inode + i;
+ inode = Inode1 + i;
if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
!S_ISLNK(inode->i_mode)) return;
for (i = 0; i < 7; i++)
@@ -981,7 +922,7 @@ static void check_zones(unsigned int i)
add_zone_dind(8 + inode->i_zone, &changed);
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void check_zones2(unsigned int i)
{
struct minix2_inode *inode;
@@ -1002,10 +943,10 @@ static void check_zones2(unsigned int i)
}
#endif
-static void check_file(struct minix_inode *dir, unsigned int offset)
+static void check_file(struct minix1_inode *dir, unsigned int offset)
{
static char blk[BLOCK_SIZE];
- struct minix_inode *inode;
+ struct minix1_inode *inode;
int ino;
char *name;
int block;
@@ -1052,7 +993,7 @@ static void check_file(struct minix_inode *dir, unsigned int offset)
pop_filename();
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void check_file2(struct minix2_inode *dir, unsigned int offset)
{
static char blk[BLOCK_SIZE];
@@ -1106,10 +1047,10 @@ static void check_file2(struct minix2_inode *dir, unsigned int offset)
static void recursive_check(unsigned int ino)
{
- struct minix_inode *dir;
+ struct minix1_inode *dir;
unsigned int offset;
- dir = Inode + ino;
+ dir = Inode1 + ino;
if (!S_ISDIR(dir->i_mode))
die("internal error");
if (dir->i_size < 2 * dirsize) {
@@ -1120,7 +1061,7 @@ static void recursive_check(unsigned int ino)
check_file(dir, offset);
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void recursive_check2(unsigned int ino)
{
struct minix2_inode *dir;
@@ -1152,10 +1093,10 @@ static void check_counts(void)
int i;
for (i = 1; i <= INODES; i++) {
- if (warn_mode && Inode[i].i_mode && !inode_in_use(i)) {
- printf("Inode %d has non-zero mode. ", i);
+ if (warn_mode && Inode1[i].i_mode && !inode_in_use(i)) {
+ printf("Inode1 %d has non-zero mode. ", i);
if (ask("Clear", 1)) {
- Inode[i].i_mode = 0;
+ Inode1[i].i_mode = 0;
changed = 1;
}
}
@@ -1168,15 +1109,15 @@ static void check_counts(void)
continue;
}
if (!inode_in_use(i)) {
- printf("Inode %d is used, but marked as 'unused' in the bitmap. ", i);
+ printf("Inode1 %d is used, but marked as 'unused' in the bitmap. ", i);
if (ask("Set", 1))
mark_inode(i);
}
- if (Inode[i].i_nlinks != inode_count[i]) {
- printf("Inode %d (mode=%07o), i_nlinks=%d, counted=%d. ",
- i, Inode[i].i_mode, Inode[i].i_nlinks, inode_count[i]);
+ if (Inode1[i].i_nlinks != inode_count[i]) {
+ printf("Inode1 %d (mode=%07o), i_nlinks=%d, counted=%d. ",
+ i, Inode1[i].i_mode, Inode1[i].i_nlinks, inode_count[i]);
if (ask("Set i_nlinks to count", 1)) {
- Inode[i].i_nlinks = inode_count[i];
+ Inode1[i].i_nlinks = inode_count[i];
changed = 1;
}
}
@@ -1197,14 +1138,14 @@ static void check_counts(void)
}
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void check_counts2(void)
{
int i;
for (i = 1; i <= INODES; i++) {
if (warn_mode && Inode2[i].i_mode && !inode_in_use(i)) {
- printf("Inode %d has non-zero mode. ", i);
+ printf("Inode1 %d has non-zero mode. ", i);
if (ask("Clear", 1)) {
Inode2[i].i_mode = 0;
changed = 1;
@@ -1219,7 +1160,7 @@ static void check_counts2(void)
continue;
}
if (!inode_in_use(i)) {
- printf("Inode %d is used, but marked as 'unused' in the bitmap. ", i);
+ printf("Inode1 %d is used, but marked as 'unused' in the bitmap. ", i);
if (ask("Set", 1))
mark_inode(i);
}
@@ -1254,20 +1195,22 @@ static void check(void)
{
memset(inode_count, 0, (INODES + 1) * sizeof(*inode_count));
memset(zone_count, 0, ZONES * sizeof(*zone_count));
- check_zones(ROOT_INO);
- recursive_check(ROOT_INO);
+ check_zones(MINIX_ROOT_INO);
+ recursive_check(MINIX_ROOT_INO);
check_counts();
}
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
static void check2(void)
{
memset(inode_count, 0, (INODES + 1) * sizeof(*inode_count));
memset(zone_count, 0, ZONES * sizeof(*zone_count));
- check_zones2(ROOT_INO);
- recursive_check2(ROOT_INO);
+ check_zones2(MINIX_ROOT_INO);
+ recursive_check2(MINIX_ROOT_INO);
check_counts2();
}
+#else
+void check2(void);
#endif
int fsck_minix_main(int argc, char **argv)
@@ -1275,18 +1218,18 @@ int fsck_minix_main(int argc, char **argv)
struct termios tmp;
int retcode = 0;
- xfunc_exitcode = 8;
+ xfunc_error_retval = 8;
alloc_current_name();
-#ifdef CONFIG_FEATURE_CLEAN_UP
+#if ENABLE_FEATURE_CLEAN_UP
/* Don't bother to free memory. Exit does
* that automagically, so we can save a few bytes */
atexit(free_current_name);
#endif
- if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)
+ if (INODE_SIZE1 * MINIX1_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad inode size");
-#ifdef CONFIG_FEATURE_MINIX2
+#if ENABLE_FEATURE_MINIX2
if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad v2 inode size");
#endif
@@ -1336,10 +1279,8 @@ int fsck_minix_main(int argc, char **argv)
if (!isatty(0) || !isatty(1))
die("need terminal for interactive repairs");
}
- IN = open(device_name, repair ? O_RDWR : O_RDONLY);
- if (IN < 0) {
- bb_error_msg_and_die("cannot open device '%s'", device_name);
- }
+ IN = xopen(device_name, repair ? O_RDWR : O_RDONLY);
+
/*sync(); paranoia? */
read_superblock();
@@ -1372,36 +1313,35 @@ int fsck_minix_main(int argc, char **argv)
tcsetattr(0, TCSANOW, &tmp);
termios_set = 1;
}
-#ifdef CONFIG_FEATURE_MINIX2
+
if (version2) {
check_root2();
check2();
- } else
-#endif
- {
+ } else {
check_root();
check();
}
+
if (verbose) {
int i, free_cnt;
for (i = 1, free_cnt = 0; i <= INODES; i++)
if (!inode_in_use(i))
free_cnt++;
- printf("\n%6ld inodes used (%ld%%)\n", (INODES - free_cnt),
+ printf("\n%6u inodes used (%u%%)\n", (INODES - free_cnt),
100 * (INODES - free_cnt) / INODES);
for (i = FIRSTZONE, free_cnt = 0; i < ZONES; i++)
if (!zone_in_use(i))
free_cnt++;
- printf("%6ld zones used (%ld%%)\n\n"
- "%6d regular files\n"
- "%6d directories\n"
- "%6d character device files\n"
- "%6d block device files\n"
- "%6d links\n"
- "%6d symbolic links\n"
+ printf("%6u zones used (%u%%)\n\n"
+ "%6u regular files\n"
+ "%6u directories\n"
+ "%6u character device files\n"
+ "%6u block device files\n"
+ "%6u links\n"
+ "%6u symbolic links\n"
"------\n"
- "%6d files\n",
+ "%6u files\n",
(ZONES - free_cnt), 100 * (ZONES - free_cnt) / ZONES,
regular, directory, chardev, blockdev,
links - 2 * directory + 1, symlinks,
generated by cgit v1.1 at 2024-11-08 03:24:55 +0000