CC-tea/coreutils
1
0
Fork 0
mirror of git://git.sv.gnu.org/coreutils.git synced 2026-03-31 09:15:19 +02:00
Code Issues Projects Releases Wiki Activity
Files
321f7724157b09474c3cd9f64fc9f06efe41b78f
coreutils/src/stat.c
Jim Meyering ce79c562f6 (print_it): Properly handle a backslash at the 
end of a --printf format string.  Reported by Paul Eggert.
2005-12-15 20:15:20 +00:00

924 lines
24 KiB
C
Raw Blame History

/* stat.c -- display file or file system status
Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation.
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 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Written by Michael Meskes. */
#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
#if HAVE_SYS_STATVFS_H && HAVE_STRUCT_STATVFS_F_BASETYPE
# include <sys/statvfs.h>
#elif HAVE_SYS_VFS_H
# include <sys/vfs.h>
#elif HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H
/* NOTE: freebsd5.0 needs sys/param.h and sys/mount.h for statfs.
It does have statvfs.h, but shouldn't use it, since it doesn't
HAVE_STRUCT_STATVFS_F_BASETYPE. So find a clean way to fix it. */
/* NetBSD 1.5.2 needs these, for the declaration of struct statfs. */
# include <sys/param.h>
# include <sys/mount.h>
# if HAVE_NETINET_IN_H && HAVE_NFS_NFS_CLNT_H && HAVE_NFS_VFS_H
/* Ultrix 4.4 needs these for the declaration of struct statfs. */
# include <netinet/in.h>
# include <nfs/nfs_clnt.h>
# include <nfs/vfs.h>
# endif
#endif
#include "system.h"
#include "error.h"
#include "filemode.h"
#include "file-type.h"
#include "fs.h"
#include "getopt.h"
#include "inttostr.h"
#include "quote.h"
#include "quotearg.h"
#include "stat-time.h"
#include "strftime.h"
#include "xreadlink.h"
#define NAMEMAX_FORMAT PRIuMAX
#if HAVE_STRUCT_STATVFS_F_BASETYPE
# define STRUCT_STATVFS struct statvfs
# define HAVE_STRUCT_STATXFS_F_TYPE HAVE_STRUCT_STATVFS_F_TYPE
# if HAVE_STRUCT_STATVFS_F_NAMEMAX
# define SB_F_NAMEMAX(S) ((uintmax_t) ((S)->f_namemax))
# endif
# if STAT_STATVFS
# define STATFS statvfs
# define STATFS_FRSIZE(S) ((S)->f_frsize)
# endif
#else
# define STRUCT_STATVFS struct statfs
# define HAVE_STRUCT_STATXFS_F_TYPE HAVE_STRUCT_STATFS_F_TYPE
# if HAVE_STRUCT_STATFS_F_NAMELEN
# define SB_F_NAMEMAX(S) ((uintmax_t) ((S)->f_namelen))
# endif
#endif
#ifndef STATFS
# define STATFS statfs
# define STATFS_FRSIZE(S) 0
#endif
#ifndef SB_F_NAMEMAX
/* NetBSD 1.5.2 has neither f_namemax nor f_namelen. */
# define SB_F_NAMEMAX(S) "*"
# undef NAMEMAX_FORMAT
# define NAMEMAX_FORMAT "s"
#endif
#if HAVE_STRUCT_STATVFS_F_BASETYPE
# define STATXFS_FILE_SYSTEM_TYPE_MEMBER_NAME f_basetype
#else
# if HAVE_STRUCT_STATFS_F_FSTYPENAME
# define STATXFS_FILE_SYSTEM_TYPE_MEMBER_NAME f_fstypename
# endif
#endif
/* FIXME: these are used by printf.c, too */
#define isodigit(c) ('0' <= (c) && (c) <= '7')
#define octtobin(c) ((c) - '0')
#define hextobin(c) ((c) >= 'a' && (c) <= 'f' ? (c) - 'a' + 10 : \
(c) >= 'A' && (c) <= 'F' ? (c) - 'A' + 10 : (c) - '0')
#define PROGRAM_NAME "stat"
#define AUTHORS "Michael Meskes"
enum
{
PRINTF_OPTION = CHAR_MAX + 1,
};
static struct option const long_options[] = {
{"dereference", no_argument, NULL, 'L'},
{"file-system", no_argument, NULL, 'f'},
{"filesystem", no_argument, NULL, 'f'}, /* obsolete and undocumented alias */
{"format", required_argument, NULL, 'c'},
{"printf", required_argument, NULL, PRINTF_OPTION},
{"terse", no_argument, NULL, 't'},
{GETOPT_HELP_OPTION_DECL},
{GETOPT_VERSION_OPTION_DECL},
{NULL, 0, NULL, 0}
};
char *program_name;
/* Whether to interpret backslash-escape sequences.
True for --printf=FMT, not for --format=FMT (-c). */
static bool interpret_backslash_escapes;
/* The trailing delimiter string:
"" for --printf=FMT, "\n" for --format=FMT (-c). */
static char const *trailing_delim = "";
/* Return the type of the specified file system.
Some systems have statfvs.f_basetype[FSTYPSZ]. (AIX, HP-UX, and Solaris)
Others have statfs.f_fstypename[MFSNAMELEN]. (NetBSD 1.5.2)
Still others have neither and have to get by with f_type (Linux). */
static char const *
human_fstype (STRUCT_STATVFS const *statfsbuf)
{
#ifdef STATXFS_FILE_SYSTEM_TYPE_MEMBER_NAME
return statfsbuf->STATXFS_FILE_SYSTEM_TYPE_MEMBER_NAME;
#else
switch (statfsbuf->f_type)
{
# if defined __linux__
/* IMPORTANT NOTE: Each of the following `case S_MAGIC_...:'
statements must be followed by a hexadecimal constant in
a comment. The S_MAGIC_... name and constant are automatically
combined to produce the #define directives in fs.h. */
case S_MAGIC_AFFS: /* 0xADFF */
return "affs";
case S_MAGIC_DEVPTS: /* 0x1CD1 */
return "devpts";
case S_MAGIC_EXT: /* 0x137D */
return "ext";
case S_MAGIC_EXT2_OLD: /* 0xEF51 */
return "ext2";
case S_MAGIC_EXT2: /* 0xEF53 */
return "ext2/ext3";
case S_MAGIC_JFS: /* 0x3153464a */
return "jfs";
case S_MAGIC_XFS: /* 0x58465342 */
return "xfs";
case S_MAGIC_HPFS: /* 0xF995E849 */
return "hpfs";
case S_MAGIC_ISOFS: /* 0x9660 */
return "isofs";
case S_MAGIC_ISOFS_WIN: /* 0x4000 */
return "isofs";
case S_MAGIC_ISOFS_R_WIN: /* 0x4004 */
return "isofs";
case S_MAGIC_MINIX: /* 0x137F */
return "minix";
case S_MAGIC_MINIX_30: /* 0x138F */
return "minix (30 char.)";
case S_MAGIC_MINIX_V2: /* 0x2468 */
return "minix v2";
case S_MAGIC_MINIX_V2_30: /* 0x2478 */
return "minix v2 (30 char.)";
case S_MAGIC_MSDOS: /* 0x4d44 */
return "msdos";
case S_MAGIC_FAT: /* 0x4006 */
return "fat";
case S_MAGIC_NCP: /* 0x564c */
return "novell";
case S_MAGIC_NFS: /* 0x6969 */
return "nfs";
case S_MAGIC_PROC: /* 0x9fa0 */
return "proc";
case S_MAGIC_SMB: /* 0x517B */
return "smb";
case S_MAGIC_XENIX: /* 0x012FF7B4 */
return "xenix";
case S_MAGIC_SYSV4: /* 0x012FF7B5 */
return "sysv4";
case S_MAGIC_SYSV2: /* 0x012FF7B6 */
return "sysv2";
case S_MAGIC_COH: /* 0x012FF7B7 */
return "coh";
case S_MAGIC_UFS: /* 0x00011954 */
return "ufs";
case S_MAGIC_XIAFS: /* 0x012FD16D */
return "xia";
case S_MAGIC_NTFS: /* 0x5346544e */
return "ntfs";
case S_MAGIC_TMPFS: /* 0x1021994 */
return "tmpfs";
case S_MAGIC_REISERFS: /* 0x52654973 */
return "reiserfs";
case S_MAGIC_CRAMFS: /* 0x28cd3d45 */
return "cramfs";
case S_MAGIC_ROMFS: /* 0x7275 */
return "romfs";
case S_MAGIC_RAMFS: /* 0x858458f6 */
return "ramfs";
case S_MAGIC_SQUASHFS: /* 0x73717368 */
return "squashfs";
case S_MAGIC_SYSFS: /* 0x62656572 */
return "sysfs";
# elif __GNU__
case FSTYPE_UFS:
return "ufs";
case FSTYPE_NFS:
return "nfs";
case FSTYPE_GFS:
return "gfs";
case FSTYPE_LFS:
return "lfs";
case FSTYPE_SYSV:
return "sysv";
case FSTYPE_FTP:
return "ftp";
case FSTYPE_TAR:
return "tar";
case FSTYPE_AR:
return "ar";
case FSTYPE_CPIO:
return "cpio";
case FSTYPE_MSLOSS:
return "msloss";
case FSTYPE_CPM:
return "cpm";
case FSTYPE_HFS:
return "hfs";
case FSTYPE_DTFS:
return "dtfs";
case FSTYPE_GRFS:
return "grfs";
case FSTYPE_TERM:
return "term";
case FSTYPE_DEV:
return "dev";
case FSTYPE_PROC:
return "proc";
case FSTYPE_IFSOCK:
return "ifsock";
case FSTYPE_AFS:
return "afs";
case FSTYPE_DFS:
return "dfs";
case FSTYPE_PROC9:
return "proc9";
case FSTYPE_SOCKET:
return "socket";
case FSTYPE_MISC:
return "misc";
case FSTYPE_EXT2FS:
return "ext2/ext3";
case FSTYPE_HTTP:
return "http";
case FSTYPE_MEMFS:
return "memfs";
case FSTYPE_ISO9660:
return "iso9660";
# endif
default:
{
unsigned long int type = statfsbuf->f_type;
static char buf[sizeof "UNKNOWN (0x%lx)" - 3
+ (sizeof type * CHAR_BIT + 3) / 4];
sprintf (buf, "UNKNOWN (0x%lx)", type);
return buf;
}
}
#endif
}
static char *
human_access (struct stat const *statbuf)
{
static char modebuf[11];
mode_string (statbuf->st_mode, modebuf);
modebuf[10] = 0;
return modebuf;
}
static char *
human_time (struct timespec t)
{
static char str[MAX (INT_BUFSIZE_BOUND (intmax_t),
(INT_STRLEN_BOUND (int) /* YYYY */
+ 1 /* because YYYY might equal INT_MAX + 1900 */
+ sizeof "-MM-DD HH:MM:SS.NNNNNNNNN +ZZZZ"))];
struct tm const *tm = localtime (&t.tv_sec);
if (tm == NULL)
return (TYPE_SIGNED (time_t)
? imaxtostr (t.tv_sec, str)
: umaxtostr (t.tv_sec, str));
nstrftime (str, sizeof str, "%Y-%m-%d %H:%M:%S.%N %z", tm, 0, t.tv_nsec);
return str;
}
/* Like strcat, but don't return anything and do check that
DEST_BUFSIZE is at least a long as strlen (DEST) + strlen (SRC) + 1.
The signature is deliberately different from that of strncat. */
static void
xstrcat (char *dest, size_t dest_bufsize, char const *src)
{
size_t dest_len = strlen (dest);
size_t src_len = strlen (src);
if (dest_bufsize < dest_len + src_len + 1)
abort ();
memcpy (dest + dest_len, src, src_len + 1);
}
/* print statfs info */
static void
print_statfs (char *pformat, size_t buf_len, char m, char const *filename,
void const *data)
{
STRUCT_STATVFS const *statfsbuf = data;
switch (m)
{
case 'n':
xstrcat (pformat, buf_len, "s");
printf (pformat, filename);
break;
case 'i':
#if HAVE_STRUCT_STATXFS_F_FSID___VAL
xstrcat (pformat, buf_len, "x %-8x");
printf (pformat, statfsbuf->f_fsid.__val[0], /* u_long */
statfsbuf->f_fsid.__val[1]);
#else
xstrcat (pformat, buf_len, "Lx");
printf (pformat, statfsbuf->f_fsid);
#endif
break;
case 'l':
xstrcat (pformat, buf_len, NAMEMAX_FORMAT);
printf (pformat, SB_F_NAMEMAX (statfsbuf));
break;
case 't':
#if HAVE_STRUCT_STATXFS_F_TYPE
xstrcat (pformat, buf_len, "lx");
printf (pformat,
(unsigned long int) (statfsbuf->f_type)); /* no equiv. */
#else
fputc ('*', stdout);
#endif
break;
case 'T':
xstrcat (pformat, buf_len, "s");
printf (pformat, human_fstype (statfsbuf));
break;
case 'b':
xstrcat (pformat, buf_len, PRIdMAX);
printf (pformat, (intmax_t) (statfsbuf->f_blocks));
break;
case 'f':
xstrcat (pformat, buf_len, PRIdMAX);
printf (pformat, (intmax_t) (statfsbuf->f_bfree));
break;
case 'a':
xstrcat (pformat, buf_len, PRIdMAX);
printf (pformat, (intmax_t) (statfsbuf->f_bavail));
break;
case 's':
xstrcat (pformat, buf_len, "lu");
printf (pformat, (unsigned long int) (statfsbuf->f_bsize));
break;
case 'S':
{
unsigned long int frsize = STATFS_FRSIZE (statfsbuf);
if (! frsize)
frsize = statfsbuf->f_bsize;
xstrcat (pformat, buf_len, "lu");
printf (pformat, frsize);
}
break;
case 'c':
xstrcat (pformat, buf_len, PRIdMAX);
printf (pformat, (intmax_t) (statfsbuf->f_files));
break;
case 'd':
xstrcat (pformat, buf_len, PRIdMAX);
printf (pformat, (intmax_t) (statfsbuf->f_ffree));
break;
default:
xstrcat (pformat, buf_len, "c");
printf (pformat, m);
break;
}
}
/* print stat info */
static void
print_stat (char *pformat, size_t buf_len, char m,
char const *filename, void const *data)
{
struct stat *statbuf = (struct stat *) data;
struct passwd *pw_ent;
struct group *gw_ent;
switch (m)
{
case 'n':
xstrcat (pformat, buf_len, "s");
printf (pformat, filename);
break;
case 'N':
xstrcat (pformat, buf_len, "s");
if (S_ISLNK (statbuf->st_mode))
{
char *linkname = xreadlink (filename, statbuf->st_size);
if (linkname == NULL)
{
error (0, errno, _("cannot read symbolic link %s"),
quote (filename));
return;
}
/*printf("\"%s\" -> \"%s\"", filename, linkname); */
printf (pformat, quote (filename));
printf (" -> ");
printf (pformat, quote (linkname));
}
else
{
printf (pformat, quote (filename));
}
break;
case 'd':
xstrcat (pformat, buf_len, PRIuMAX);
printf (pformat, (uintmax_t) statbuf->st_dev);
break;
case 'D':
xstrcat (pformat, buf_len, PRIxMAX);
printf (pformat, (uintmax_t) statbuf->st_dev);
break;
case 'i':
xstrcat (pformat, buf_len, PRIuMAX);
printf (pformat, (uintmax_t) statbuf->st_ino);
break;
case 'a':
xstrcat (pformat, buf_len, "lo");
printf (pformat,
(unsigned long int) (statbuf->st_mode & CHMOD_MODE_BITS));
break;
case 'A':
xstrcat (pformat, buf_len, "s");
printf (pformat, human_access (statbuf));
break;
case 'f':
xstrcat (pformat, buf_len, "lx");
printf (pformat, (unsigned long int) statbuf->st_mode);
break;
case 'F':
xstrcat (pformat, buf_len, "s");
printf (pformat, file_type (statbuf));
break;
case 'h':
xstrcat (pformat, buf_len, "lu");
printf (pformat, (unsigned long int) statbuf->st_nlink);
break;
case 'u':
xstrcat (pformat, buf_len, "lu");
printf (pformat, (unsigned long int) statbuf->st_uid);
break;
case 'U':
xstrcat (pformat, buf_len, "s");
setpwent ();
pw_ent = getpwuid (statbuf->st_uid);
printf (pformat, (pw_ent != 0L) ? pw_ent->pw_name : "UNKNOWN");
break;
case 'g':
xstrcat (pformat, buf_len, "lu");
printf (pformat, (unsigned long int) statbuf->st_gid);
break;
case 'G':
xstrcat (pformat, buf_len, "s");
setgrent ();
gw_ent = getgrgid (statbuf->st_gid);
printf (pformat, (gw_ent != 0L) ? gw_ent->gr_name : "UNKNOWN");
break;
case 't':
xstrcat (pformat, buf_len, "lx");
printf (pformat, (unsigned long int) major (statbuf->st_rdev));
break;
case 'T':
xstrcat (pformat, buf_len, "lx");
printf (pformat, (unsigned long int) minor (statbuf->st_rdev));
break;
case 's':
xstrcat (pformat, buf_len, PRIuMAX);
printf (pformat, (uintmax_t) (statbuf->st_size));
break;
case 'B':
xstrcat (pformat, buf_len, "lu");
printf (pformat, (unsigned long int) ST_NBLOCKSIZE);
break;
case 'b':
xstrcat (pformat, buf_len, PRIuMAX);
printf (pformat, (uintmax_t) ST_NBLOCKS (*statbuf));
break;
case 'o':
xstrcat (pformat, buf_len, "lu");
printf (pformat, (unsigned long int) statbuf->st_blksize);
break;
case 'x':
xstrcat (pformat, buf_len, "s");
printf (pformat, human_time (get_stat_atime (statbuf)));
break;
case 'X':
xstrcat (pformat, buf_len, TYPE_SIGNED (time_t) ? "ld" : "lu");
printf (pformat, (unsigned long int) statbuf->st_atime);
break;
case 'y':
xstrcat (pformat, buf_len, "s");
printf (pformat, human_time (get_stat_mtime (statbuf)));
break;
case 'Y':
xstrcat (pformat, buf_len, TYPE_SIGNED (time_t) ? "ld" : "lu");
printf (pformat, (unsigned long int) statbuf->st_mtime);
break;
case 'z':
xstrcat (pformat, buf_len, "s");
printf (pformat, human_time (get_stat_ctime (statbuf)));
break;
case 'Z':
xstrcat (pformat, buf_len, TYPE_SIGNED (time_t) ? "ld" : "lu");
printf (pformat, (unsigned long int) statbuf->st_ctime);
break;
default:
xstrcat (pformat, buf_len, "c");
printf (pformat, m);
break;
}
}
/* Output a single-character \ escape. */
static void
print_esc_char (char c)
{
switch (c)
{
case 'a': /* Alert. */
c ='\a';
break;
case 'b': /* Backspace. */
c ='\b';
break;
case 'f': /* Form feed. */
c ='\f';
break;
case 'n': /* New line. */
c ='\n';
break;
case 'r': /* Carriage return. */
c ='\r';
break;
case 't': /* Horizontal tab. */
c ='\t';
break;
case 'v': /* Vertical tab. */
c ='\v';
break;
case '"':
case '\\':
break;
default:
error (0, 0, _("warning: unrecognized escape `\\%c'"), c);
break;
}
putchar (c);
}
static void
print_it (char const *format, char const *filename,
void (*print_func) (char *, size_t, char, char const *, void const *),
void const *data)
{
/* Add 2 to accommodate our conversion of the stat `%s' format string
to the longer printf `%llu' one. */
size_t n_alloc = strlen (format) + 2 + 1;
char *dest = xmalloc (n_alloc);
char const *b;
for (b = format; *b; b++)
{
switch (*b)
{
case '%':
{
size_t len = strspn (b + 1, "#-+.I 0123456789");
char const *fmt_char = b + 1 + len;
memcpy (dest, b, 1 + len);
dest[1 + len] = 0;
b = fmt_char;
switch (*fmt_char)
{
case '\0':
--b;
/* fall through */
case '%':
if (0 < len)
error (EXIT_FAILURE, 0, _("%s%s: invalid directive"),
quotearg_colon (dest), *fmt_char ? "%" : "");
putchar ('%');
break;
default:
print_func (dest, n_alloc, *fmt_char, filename, data);
break;
}
break;
}
case '\\':
if ( ! interpret_backslash_escapes)
{
putchar ('\\');
break;
}
++b;
if (isodigit (*b))
{
int esc_value = octtobin (*b);
int esc_length = 1; /* number of octal digits */
for (++b; esc_length < 3 && isodigit (*b);
++esc_length, ++b)
{
esc_value = esc_value * 8 + octtobin (*b);
}
putchar (esc_value);
--b;
}
else if (*b == 'x' && ISXDIGIT (b[1]))
{
int esc_value = hextobin (b[1]); /* Value of \xhh escape. */
/* A hexadecimal \xhh escape sequence must have
1 or 2 hex. digits. */
++b;
if (ISXDIGIT (b[1]))
{
++b;
esc_value = esc_value * 16 + hextobin (*b);
}
putchar (esc_value);
}
else if (*b == '\0')
{
error (0, 0, _("warning: backslash at end of format"));
putchar ('\\');
/* Arrange to exit the loop. */
--b;
}
else
{
print_esc_char (*b);
}
break;
default:
putchar (*b);
break;
}
}
free (dest);
fputs (trailing_delim, stdout);
}
/* Stat the file system and print what we find. */
static bool
do_statfs (char const *filename, bool terse, char const *format)
{
STRUCT_STATVFS statfsbuf;
if (STATFS (filename, &statfsbuf) != 0)
{
error (0, errno, _("cannot read file system information for %s"),
quote (filename));
return false;
}
if (format == NULL)
{
format = (terse
? "%n %i %l %t %s %S %b %f %a %c %d\n"
: " File: \"%n\"\n"
" ID: %-8i Namelen: %-7l Type: %T\n"
"Block size: %-10s Fundamental block size: %S\n"
"Blocks: Total: %-10b Free: %-10f Available: %a\n"
"Inodes: Total: %-10c Free: %d\n");
}
print_it (format, filename, print_statfs, &statfsbuf);
return true;
}
/* stat the file and print what we find */
static bool
do_stat (char const *filename, bool follow_links, bool terse,
char const *format)
{
struct stat statbuf;
if ((follow_links ? stat : lstat) (filename, &statbuf) != 0)
{
error (0, errno, _("cannot stat %s"), quote (filename));
return false;
}
if (format == NULL)
{
if (terse)
{
format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o\n";
}
else
{
/* Temporary hack to match original output until conditional
implemented. */
if (S_ISBLK (statbuf.st_mode) || S_ISCHR (statbuf.st_mode))
{
format =
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %-5h"
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n";
}
else
{
format =
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n";
}
}
}
print_it (format, filename, print_stat, &statbuf);
return true;
}
void
usage (int status)
{
if (status != EXIT_SUCCESS)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
{
printf (_("Usage: %s [OPTION] FILE...\n"), program_name);
fputs (_("\
Display file or file system status.\n\
\n\
-L, --dereference follow links\n\
-f, --file-system display file system status instead of file status\n\
"), stdout);
fputs (_("\
-c --format=FORMAT use the specified FORMAT instead of the default;\n\
output a newline after each use of FORMAT\n\
--printf=FORMAT like --format, but interpret backslash escapes,\n\
and do not output a mandatory trailing newline.\n\
If you want a newline, include \\n in FORMAT.\n\
-t, --terse print the information in terse form\n\
"), stdout);
fputs (HELP_OPTION_DESCRIPTION, stdout);
fputs (VERSION_OPTION_DESCRIPTION, stdout);
fputs (_("\n\
The valid format sequences for files (without --file-system):\n\
\n\
%a Access rights in octal\n\
%A Access rights in human readable form\n\
%b Number of blocks allocated (see %B)\n\
%B The size in bytes of each block reported by %b\n\
"), stdout);
fputs (_("\
%d Device number in decimal\n\
%D Device number in hex\n\
%f Raw mode in hex\n\
%F File type\n\
%g Group ID of owner\n\
%G Group name of owner\n\
"), stdout);
fputs (_("\
%h Number of hard links\n\
%i Inode number\n\
%n File name\n\
%N Quoted file name with dereference if symbolic link\n\
%o I/O block size\n\
%s Total size, in bytes\n\
%t Major device type in hex\n\
%T Minor device type in hex\n\
"), stdout);
fputs (_("\
%u User ID of owner\n\
%U User name of owner\n\
%x Time of last access\n\
%X Time of last access as seconds since Epoch\n\
%y Time of last modification\n\
%Y Time of last modification as seconds since Epoch\n\
%z Time of last change\n\
%Z Time of last change as seconds since Epoch\n\
\n\
"), stdout);
fputs (_("\
Valid format sequences for file systems:\n\
\n\
%a Free blocks available to non-superuser\n\
%b Total data blocks in file system\n\
%c Total file nodes in file system\n\
%d Free file nodes in file system\n\
%f Free blocks in file system\n\
"), stdout);
fputs (_("\
%i File System ID in hex\n\
%l Maximum length of filenames\n\
%n File name\n\
%s Block size (for faster transfers)\n\
%S Fundamental block size (for block counts)\n\
%t Type in hex\n\
%T Type in human readable form\n\
"), stdout);
printf (USAGE_BUILTIN_WARNING, PROGRAM_NAME);
printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
}
exit (status);
}
int
main (int argc, char *argv[])
{
int c;
int i;
bool follow_links = false;
bool fs = false;
bool terse = false;
char *format = NULL;
bool ok = true;
initialize_main (&argc, &argv);
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
atexit (close_stdout);
while ((c = getopt_long (argc, argv, "c:fLt", long_options, NULL)) != -1)
{
switch (c)
{
case PRINTF_OPTION:
format = optarg;
interpret_backslash_escapes = true;
trailing_delim = "";
break;
case 'c':
format = optarg;
interpret_backslash_escapes = false;
trailing_delim = "\n";
break;
case 'L':
follow_links = true;
break;
case 'f':
fs = true;
break;
case 't':
terse = true;
break;
case_GETOPT_HELP_CHAR;
case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
default:
usage (EXIT_FAILURE);
}
}
if (argc == optind)
{
error (0, 0, _("missing operand"));
usage (EXIT_FAILURE);
}
for (i = optind; i < argc; i++)
ok &= (fs
? do_statfs (argv[i], terse, format)
: do_stat (argv[i], follow_links, terse, format));
exit (ok ? EXIT_SUCCESS : EXIT_FAILURE);
}
Reference in New Issue View Git Blame Copy Permalink