* Copyright 2012 <warior.linux@gmail.com>
* Copyright 2013 <anand.sinha85@gmail.com>
-USE_STAT(NEWTOY(stat, "c:f", TOYFLAG_BIN))
+USE_STAT(NEWTOY(stat, "<1c:fLt", TOYFLAG_BIN))
config STAT
bool stat
default y
help
- usage: stat [-f] [-c FORMAT] FILE...
+ usage: stat [-tfL] [-c FORMAT] FILE...
Display status of files or filesystems.
- -f display filesystem status instead of file status
- -c Output specified FORMAT string instead of default
+ -c Output specified FORMAT string instead of default
+ -f display filesystem status instead of file status
+ -L Follow symlinks
+ -t terse (-c "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o")
+ (with -f = -c "%n %i %l %t %s %S %b %f %a %c %d")
The valid format escape sequences for files:
- %a Access bits (octal) |%A Access bits (flags)|%b Blocks allocated
- %B Bytes per block |%d Device ID (dec) |%D Device ID (hex)
+ %a Access bits (octal) |%A Access bits (flags)|%b Size/512
+ %B Bytes per %b (512) |%d Device ID (dec) |%D Device ID (hex)
%f All mode bits (hex) |%F File type |%g Group ID
%G Group name |%h Hard links |%i Inode
- %n Filename |%N Long filename |%o I/O block size
- %s Size (bytes) |%u User ID |%U User name
+ %m Mount point |%n Filename |%N Long filename
+ %o I/O block size |%s Size (bytes) |%t Devtype major (hex)
+ %T Devtype minor (hex) |%u User ID |%U User name
%x Access time |%X Access unix time |%y File write time
%Y File write unix time|%z Dir change time |%Z Dir change unix time
%a Available blocks |%b Total blocks |%c Total inodes
%d Free inodes |%f Free blocks |%i File system ID
%l Max filename length |%n File name |%s Fragment size
- %S Best transfer size |%t File system type
+ %S Best transfer size |%t FS type (hex) |%T FS type (driver name)
*/
#define FOR_stat
struct stat st;
struct statfs sf;
} stat;
- struct passwd *user_name;
- struct group *group_name;
+ char *file, *pattern;
+ int patlen;
)
+// Force numeric output to long long instead of manually typecasting everything
+// and safely parse length prefix
+static void out(char c, long long val)
+{
+ sprintf(toybuf, "%.*sll%c", TT.patlen, TT.pattern, c);
+ printf(toybuf, val);
+}
+
+// Output string with parsed length prefix
+static void strout(char *val)
+{
+ sprintf(toybuf, "%.*ss", TT.patlen, TT.pattern);
+ printf(toybuf, val);
+}
// Note: the atime, mtime, and ctime fields in struct stat are the start
// of embedded struct timespec, but posix won't let them use that
static void date_stat_format(struct timespec *ts)
{
- strftime(toybuf, sizeof(toybuf), "%Y-%m-%d %H:%M:%S",
+ char *s = toybuf+128;
+ strftime(s, sizeof(toybuf), "%Y-%m-%d %H:%M:%S",
localtime(&(ts->tv_sec)));
- xprintf("%s.%09d", toybuf, ts->tv_nsec);
+ sprintf(s+strlen(s), ".%09ld", ts->tv_nsec);
+ strout(s);
}
static void print_stat(char type)
{
struct stat *stat = (struct stat *)&TT.stat;
- if (type == 'a') xprintf("%lo", stat->st_mode & ~S_IFMT);
+ if (type == 'a') out('o', stat->st_mode&~S_IFMT);
else if (type == 'A') {
char str[11];
mode_to_string(stat->st_mode, str);
- xprintf("%s", str);
- } else if (type == 'b') xprintf("%llu", stat->st_blocks);
- else if (type == 'B') xprintf("%lu", stat->st_blksize);
- else if (type == 'd') xprintf("%ldd", stat->st_dev);
- else if (type == 'D') xprintf("%llxh", stat->st_dev);
- else if (type == 'f') xprintf("%lx", stat->st_mode);
+ strout(str);
+ } else if (type == 'b') out('u', stat->st_blocks);
+ else if (type == 'B') out('d', 512);
+ else if (type == 'd') out('d', stat->st_dev);
+ else if (type == 'D') out('x', stat->st_dev);
+ else if (type == 'f') out('x', stat->st_mode);
else if (type == 'F') {
char *t = "character device\0directory\0block device\0" \
"regular file\0symbolic link\0socket\0FIFO (named pipe)";
for (i = 1; filetype != (i*8192) && i < 7; i++) t += strlen(t)+1;
if (!stat->st_size && filetype == S_IFREG) t = "regular empty file";
- xprintf("%s", t);
- } else if (type == 'g') xprintf("%lu", stat->st_gid);
- else if (type == 'G') xprintf("%8s", TT.user_name->pw_name);
- else if (type == 'h') xprintf("%lu", stat->st_nlink);
- else if (type == 'i') xprintf("%llu", stat->st_ino);
- else if (type == 'N') {
- xprintf("`%s'", *toys.optargs);
+ strout(t);
+ } else if (type == 'g') out('u', stat->st_gid);
+ else if (type == 'G') strout(getgroupname(stat->st_gid));
+ else if (type == 'h') out('u', stat->st_nlink);
+ else if (type == 'i') out('u', stat->st_ino);
+ else if (type == 'm') {
+ struct mtab_list *mt = xgetmountlist(0);
+ dev_t dev = stat->st_rdev ? stat->st_rdev : stat->st_dev;
+
+ // This mount point could exist multiple times, so show oldest.
+ for (dlist_terminate(mt); mt; mt = mt->next) if (mt->stat.st_dev == dev) {
+ strout(mt->dir);
+ break;
+ }
+ llist_traverse(mt, free);
+ } else if (type == 'N') {
+ xprintf("`%s'", TT.file);
if (S_ISLNK(stat->st_mode))
- if (0<readlink(*toys.optargs, toybuf, sizeof(toybuf)))
+ if (readlink0(TT.file, toybuf, sizeof(toybuf)))
xprintf(" -> `%s'", toybuf);
- } else if (type == 'o') xprintf("%lu", stat->st_blksize);
- else if (type == 's') xprintf("%llu", stat->st_size);
- else if (type == 'u') xprintf("%lu", stat->st_uid);
- else if (type == 'U') xprintf("%8s", TT.user_name->pw_name);
+ } else if (type == 'o') out('u', stat->st_blksize);
+ else if (type == 's') out('u', stat->st_size);
+ else if (type == 't') out('x', dev_major(stat->st_rdev));
+ else if (type == 'T') out('x', dev_minor(stat->st_rdev));
+ else if (type == 'u') out('u', stat->st_uid);
+ else if (type == 'U') strout(getusername(stat->st_uid));
else if (type == 'x') date_stat_format((void *)&stat->st_atime);
- else if (type == 'X') xprintf("%llu", (long long)stat->st_atime);
+ else if (type == 'X') out('u', stat->st_atime);
else if (type == 'y') date_stat_format((void *)&stat->st_mtime);
- else if (type == 'Y') xprintf("%llu", (long long)stat->st_mtime);
+ else if (type == 'Y') out('u', stat->st_mtime);
else if (type == 'z') date_stat_format((void *)&stat->st_ctime);
- else if (type == 'Z') xprintf("%llu", (long long)stat->st_ctime);
+ else if (type == 'Z') out('u', stat->st_ctime);
else xprintf("?");
}
static void print_statfs(char type) {
struct statfs *statfs = (struct statfs *)&TT.stat;
- if (type == 'a') xprintf("%llu", statfs->f_bavail);
- else if (type == 'b') xprintf("%llu", statfs->f_blocks);
- else if (type == 'c') xprintf("%llu", statfs->f_files);
- else if (type == 'd') xprintf("%llu", statfs->f_ffree);
- else if (type == 'f') xprintf("%llu", statfs->f_bfree);
- else if (type == 'l') xprintf("%ld", statfs->f_namelen);
- else if (type == 't') xprintf("%lx", statfs->f_type);
- else if (type == 'i')
- xprintf("%08x%08x", statfs->f_fsid.__val[0], statfs->f_fsid.__val[1]);
- else if (type == 's') xprintf("%d", statfs->f_frsize);
- else if (type == 'S') xprintf("%d", statfs->f_bsize);
- else xprintf("?");
+ if (type == 'a') out('u', statfs->f_bavail);
+ else if (type == 'b') out('u', statfs->f_blocks);
+ else if (type == 'c') out('u', statfs->f_files);
+ else if (type == 'd') out('u', statfs->f_ffree);
+ else if (type == 'f') out('u', statfs->f_bfree);
+ else if (type == 'l') out('d', statfs->f_namelen);
+ else if (type == 't') out('x', statfs->f_type);
+ else if (type == 'T') {
+ char *s = "unknown";
+ struct {unsigned num; char *name;} nn[] = {
+ {0xADFF, "affs"}, {0x5346544e, "ntfs"}, {0x1Cd1, "devpts"},
+ {0x137D, "ext"}, {0xEF51, "ext2"}, {0xEF53, "ext3"},
+ {0x1BADFACE, "bfs"}, {0x9123683E, "btrfs"}, {0x28cd3d45, "cramfs"},
+ {0x3153464a, "jfs"}, {0x7275, "romfs"}, {0x01021994, "tmpfs"},
+ {0x3434, "nilfs"}, {0x6969, "nfs"}, {0x9fa0, "proc"},
+ {0x534F434B, "sockfs"}, {0x62656572, "sysfs"}, {0x517B, "smb"},
+ {0x4d44, "msdos"}, {0x4006, "fat"}, {0x43415d53, "smackfs"},
+ {0x73717368, "squashfs"}
+ };
+ int i;
+
+ for (i=0; i<ARRAY_LEN(nn); i++)
+ if (nn[i].num == statfs->f_type) s = nn[i].name;
+ strout(s);
+ } else if (type == 'i') {
+ char buf[32];
+
+ sprintf(buf, "%08x%08x", statfs->f_fsid.__val[0], statfs->f_fsid.__val[1]);
+ strout(buf);
+ } else if (type == 's') out('d', statfs->f_frsize);
+ else if (type == 'S') out('d', statfs->f_bsize);
+ else strout("?");
}
void stat_main(void)
{
- int flagf = toys.optflags & FLAG_f;
- char *format = flagf
+ int flagf = toys.optflags & FLAG_f, i;
+ char *format, *f;
+
+ if (toys.optflags&FLAG_t) {
+ format = flagf ? "%n %i %l %t %s %S %b %f %a %c %d" :
+ "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o";
+ } else format = flagf
? " File: \"%n\"\n ID: %i Namelen: %l Type: %t\n"
"Block Size: %s Fundamental block size: %S\n"
"Blocks: Total: %b\tFree: %f\tAvailable: %a\n"
"Inodes: Total: %c\tFree: %d"
: " File: %N\n Size: %s\t Blocks: %b\t IO Blocks: %B\t%F\n"
- "Device: %D\t Inode: %i\t Links: %h\n"
- "Access: (%a/%A)\tUid: (%u/%U)\tGid: (%g/%G)\n"
+ "Device: %Dh/%dd\t Inode: %i\t Links: %h\n"
+ "Access: (%a/%A)\tUid: (%5u/%8U)\tGid: (%5g/%8G)\n"
"Access: %x\nModify: %y\nChange: %z";
+ char *terse_format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o";
if (toys.optflags & FLAG_c) format = TT.fmt;
+ if (toys.optflags & FLAG_t) format = terse_format;
- for (; *toys.optargs; toys.optargs++) {
- char *f;
-
- if (flagf && !statfs(*toys.optargs, (void *)&TT.stat));
- else if (!flagf && !lstat(*toys.optargs, (void *)&TT.stat)) {
- struct stat *stat = (struct stat*)&TT.stat;
+ for (i = 0; toys.optargs[i]; i++) {
+ int L = toys.optflags & FLAG_L;
- // check user and group name
- TT.user_name = getpwuid(stat->st_uid);
- TT.group_name = getgrgid(stat->st_gid);
- } else {
- perror_msg("'%s'", *toys.optargs);
+ TT.file = toys.optargs[i];
+ if (flagf && !statfs(TT.file, (void *)&TT.stat));
+ else if (flagf || (L ? stat : lstat)(TT.file, (void *)&TT.stat)) {
+ perror_msg("'%s'", TT.file);
continue;
}
for (f = format; *f; f++) {
if (*f != '%') putchar(*f);
else {
- if (*++f == 'n') xprintf("%s", *toys.optargs);
+ f = next_printf(f, &TT.pattern);
+ TT.patlen = f-TT.pattern;
+ if (TT.patlen>99) error_exit("bad %s", TT.pattern);
+ if (*f == 'n') strout(TT.file);
else if (flagf) print_statfs(*f);
else print_stat(*f);
}
OSDN Git Service
