diff options
Diffstat (limited to 'src/stat.c')
| -rw-r--r-- | src/stat.c | 122 |
1 files changed, 92 insertions, 30 deletions
@@ -1,5 +1,5 @@ /* stat.c -- display file or file system status - Copyright (C) 2001-2013 Free Software Foundation, Inc. + Copyright (C) 2001-2014 Free Software Foundation, Inc. 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 @@ -152,6 +152,11 @@ statfs (char const *filename, struct fs_info *buf) # endif #endif +#if HAVE_GETATTRAT +# include <attr.h> +# include <sys/nvpair.h> +#endif + /* FIXME: these are used by printf.c, too */ #define isodigit(c) ('0' <= (c) && (c) <= '7') #define octtobin(c) ((c) - '0') @@ -179,7 +184,6 @@ enum static struct option const long_options[] = { - {"context", no_argument, 0, 'Z'}, {"dereference", no_argument, NULL, 'L'}, {"file-system", no_argument, NULL, 'f'}, {"format", required_argument, NULL, 'c'}, @@ -276,6 +280,8 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "coda"; case S_MAGIC_COH: /* 0x012FF7B7 local */ return "coh"; + case S_MAGIC_CONFIGFS: /* 0x62656570 local */ + return "configfs"; case S_MAGIC_CRAMFS: /* 0x28CD3D45 local */ return "cramfs"; case S_MAGIC_CRAMFS_WEND: /* 0x453DCD28 local */ @@ -288,14 +294,20 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "devpts"; case S_MAGIC_ECRYPTFS: /* 0xF15F local */ return "ecryptfs"; + case S_MAGIC_EFIVARFS: /* 0xDE5E81E4 local */ + return "efivarfs"; case S_MAGIC_EFS: /* 0x00414A53 local */ return "efs"; + case S_MAGIC_EXOFS: /* 0x5DF5 local */ + return "exofs"; case S_MAGIC_EXT: /* 0x137D local */ return "ext"; case S_MAGIC_EXT2: /* 0xEF53 local */ return "ext2/ext3"; case S_MAGIC_EXT2_OLD: /* 0xEF51 local */ return "ext2"; + case S_MAGIC_F2FS: /* 0xF2F52010 local */ + return "f2fs"; case S_MAGIC_FAT: /* 0x4006 local */ return "fat"; case S_MAGIC_FHGFS: /* 0x19830326 remote */ @@ -306,12 +318,18 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "fusectl"; case S_MAGIC_FUTEXFS: /* 0x0BAD1DEA local */ return "futexfs"; - case S_MAGIC_GFS: /* 0x1161970 remote */ + case S_MAGIC_GFS: /* 0x01161970 remote */ return "gfs/gfs2"; case S_MAGIC_GPFS: /* 0x47504653 remote */ return "gpfs"; case S_MAGIC_HFS: /* 0x4244 local */ return "hfs"; + case S_MAGIC_HFS_PLUS: /* 0x482B local */ + return "hfs+"; + case S_MAGIC_HFS_X: /* 0x4858 local */ + return "hfsx"; + case S_MAGIC_HOSTFS: /* 0x00C0FFEE local */ + return "hostfs"; case S_MAGIC_HPFS: /* 0xF995E849 local */ return "hpfs"; case S_MAGIC_HUGETLBFS: /* 0x958458F6 local */ @@ -334,6 +352,8 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "jfs"; case S_MAGIC_KAFS: /* 0x6B414653 remote */ return "k-afs"; + case S_MAGIC_LOGFS: /* 0xC97E8168 local */ + return "logfs"; case S_MAGIC_LUSTRE: /* 0x0BD00BD0 remote */ return "lustre"; case S_MAGIC_MINIX: /* 0x137F local */ @@ -362,7 +382,7 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "ntfs"; case S_MAGIC_OPENPROM: /* 0x9FA1 local */ return "openprom"; - case S_MAGIC_OCFS2: /* 0x7461636f remote */ + case S_MAGIC_OCFS2: /* 0x7461636F remote */ return "ocfs2"; case S_MAGIC_PANFS: /* 0xAAD7AAEA remote */ return "panfs"; @@ -391,8 +411,12 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "securityfs"; case S_MAGIC_SELINUX: /* 0xF97CFF8C local */ return "selinux"; + case S_MAGIC_SMACK: /* 0x43415D53 local */ + return "smackfs"; case S_MAGIC_SMB: /* 0x517B remote */ return "smb"; + case S_MAGIC_SNFS: /* 0xBEEFDEAD remote */ + return "snfs"; case S_MAGIC_SOCKFS: /* 0x534F434B local */ return "sockfs"; case S_MAGIC_SQUASHFS: /* 0x73717368 local */ @@ -405,6 +429,8 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "sysv4"; case S_MAGIC_TMPFS: /* 0x01021994 local */ return "tmpfs"; + case S_MAGIC_UBIFS: /* 0x24051905 local */ + return "ubifs"; case S_MAGIC_UDF: /* 0x15013346 local */ return "udf"; case S_MAGIC_UFS: /* 0x00011954 local */ @@ -417,7 +443,9 @@ human_fstype (STRUCT_STATVFS const *statfsbuf) return "v9fs"; case S_MAGIC_VMHGFS: /* 0xBACBACBC remote */ return "vmhgfs"; - case S_MAGIC_VXFS: /* 0xA501FCF5 local */ + case S_MAGIC_VXFS: /* 0xA501FCF5 remote */ + /* Veritas File System can run in single instance or clustered mode, + so mark as remote to cater for the latter case. */ return "vxfs"; case S_MAGIC_VZFS: /* 0x565A4653 local */ return "vzfs"; @@ -583,7 +611,7 @@ out_minus_zero (char *pformat, size_t prefix_len) acts like printf's %f format. */ static void out_epoch_sec (char *pformat, size_t prefix_len, - struct stat const *statbuf ATTRIBUTE_UNUSED, + struct stat const *statbuf _GL_UNUSED, struct timespec arg) { char *dot = memchr (pformat, '.', prefix_len); @@ -714,7 +742,7 @@ out_file_context (char *pformat, size_t prefix_len, char const *filename) /* Print statfs info. Return zero upon success, nonzero upon failure. */ static bool ATTRIBUTE_WARN_UNUSED_RESULT print_statfs (char *pformat, size_t prefix_len, unsigned int m, - char const *filename, + int fd, char const *filename, void const *data) { STRUCT_STATVFS const *statfsbuf = data; @@ -815,17 +843,19 @@ find_bind_mount (char const * name) tried_mount_list = true; } + struct stat name_stats; + if (stat (name, &name_stats) != 0) + return NULL; + struct mount_entry *me; for (me = mount_list; me; me = me->me_next) { if (me->me_dummy && me->me_devname[0] == '/' && STREQ (me->me_mountdir, name)) { - struct stat name_stats; struct stat dev_stats; - if (stat (name, &name_stats) == 0 - && stat (me->me_devname, &dev_stats) == 0 + if (stat (me->me_devname, &dev_stats) == 0 && SAME_INODE (name_stats, dev_stats)) { bind_mount = me->me_devname; @@ -886,6 +916,38 @@ print_mount_point: return fail; } +static struct timespec +get_birthtime (int fd, char const *filename, struct stat const *st) +{ + struct timespec ts = get_stat_birthtime (st); + +#if HAVE_GETATTRAT + if (ts.tv_nsec < 0) + { + nvlist_t *response; + if ((fd < 0 + ? getattrat (AT_FDCWD, XATTR_VIEW_READWRITE, filename, &response) + : fgetattr (fd, XATTR_VIEW_READWRITE, &response)) + == 0) + { + uint64_t *val; + uint_t n; + if (nvlist_lookup_uint64_array (response, A_CRTIME, &val, &n) == 0 + && 2 <= n + && val[0] <= TYPE_MAXIMUM (time_t) + && val[1] < 1000000000 * 2 /* for leap seconds */) + { + ts.tv_sec = val[0]; + ts.tv_nsec = val[1]; + } + nvlist_free (response); + } + } +#endif + + return ts; +} + /* Map a TS with negative TS.tv_nsec to {0,0}. */ static inline struct timespec neg_to_zero (struct timespec ts) @@ -899,7 +961,7 @@ neg_to_zero (struct timespec ts) /* Print stat info. Return zero upon success, nonzero upon failure. */ static bool print_stat (char *pformat, size_t prefix_len, unsigned int m, - char const *filename, void const *data) + int fd, char const *filename, void const *data) { struct stat *statbuf = (struct stat *) data; struct passwd *pw_ent; @@ -955,7 +1017,6 @@ print_stat (char *pformat, size_t prefix_len, unsigned int m, out_uint (pformat, prefix_len, statbuf->st_uid); break; case 'U': - setpwent (); pw_ent = getpwuid (statbuf->st_uid); out_string (pformat, prefix_len, pw_ent ? pw_ent->pw_name : "UNKNOWN"); @@ -964,7 +1025,6 @@ print_stat (char *pformat, size_t prefix_len, unsigned int m, out_uint (pformat, prefix_len, statbuf->st_gid); break; case 'G': - setgrent (); gw_ent = getgrgid (statbuf->st_gid); out_string (pformat, prefix_len, gw_ent ? gw_ent->gr_name : "UNKNOWN"); @@ -992,7 +1052,7 @@ print_stat (char *pformat, size_t prefix_len, unsigned int m, break; case 'w': { - struct timespec t = get_stat_birthtime (statbuf); + struct timespec t = get_birthtime (fd, filename, statbuf); if (t.tv_nsec < 0) out_string (pformat, prefix_len, "-"); else @@ -1001,7 +1061,7 @@ print_stat (char *pformat, size_t prefix_len, unsigned int m, break; case 'W': out_epoch_sec (pformat, prefix_len, statbuf, - neg_to_zero (get_stat_birthtime (statbuf))); + neg_to_zero (get_birthtime (fd, filename, statbuf))); break; case 'x': out_string (pformat, prefix_len, human_time (get_stat_atime (statbuf))); @@ -1076,9 +1136,9 @@ print_esc_char (char c) calling PRINT_FUNC for each %-directive encountered. Return zero upon success, nonzero upon failure. */ static bool ATTRIBUTE_WARN_UNUSED_RESULT -print_it (char const *format, char const *filename, +print_it (char const *format, int fd, char const *filename, bool (*print_func) (char *, size_t, unsigned int, - char const *, void const *), + int, char const *, void const *), void const *data) { bool fail = false; @@ -1127,7 +1187,8 @@ print_it (char const *format, char const *filename, putchar ('%'); break; default: - fail |= print_func (dest, len + 1, fmt_code, filename, data); + fail |= print_func (dest, len + 1, fmt_code, + fd, filename, data); break; } break; @@ -1210,7 +1271,7 @@ do_statfs (char const *filename, char const *format) return false; } - bool fail = print_it (format, filename, print_statfs, &statfsbuf); + bool fail = print_it (format, -1, filename, print_statfs, &statfsbuf); return ! fail; } @@ -1219,11 +1280,12 @@ static bool ATTRIBUTE_WARN_UNUSED_RESULT do_stat (char const *filename, char const *format, char const *format2) { + int fd = STREQ (filename, "-") ? 0 : -1; struct stat statbuf; - if (STREQ (filename, "-")) + if (0 <= fd) { - if (fstat (STDIN_FILENO, &statbuf) != 0) + if (fstat (fd, &statbuf) != 0) { error (0, errno, _("cannot stat standard input")); return false; @@ -1243,7 +1305,7 @@ do_stat (char const *filename, char const *format, if (S_ISBLK (statbuf.st_mode) || S_ISCHR (statbuf.st_mode)) format = format2; - bool fail = print_it (format, filename, print_stat, &statbuf); + bool fail = print_it (format, fd, filename, print_stat, &statbuf); return ! fail; } @@ -1361,8 +1423,8 @@ Display file or file system status.\n\ -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\ + 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); @@ -1393,8 +1455,8 @@ The valid format sequences for files (without --file-system):\n\ %N quoted file name with dereference if symbolic link\n\ %o optimal I/O transfer size hint\n\ %s total size, in bytes\n\ - %t major device type in hex\n\ - %T minor device type in hex\n\ + %t major device type in hex, for character/block device special files\n\ + %T minor device type in hex, for character/block device special files\n\ "), stdout); fputs (_("\ %u user ID of owner\n\ @@ -1403,10 +1465,10 @@ The valid format sequences for files (without --file-system):\n\ %W time of file birth, seconds since Epoch; 0 if unknown\n\ %x time of last access, human-readable\n\ %X time of last access, seconds since Epoch\n\ - %y time of last modification, human-readable\n\ - %Y time of last modification, seconds since Epoch\n\ - %z time of last change, human-readable\n\ - %Z time of last change, seconds since Epoch\n\ + %y time of last data modification, human-readable\n\ + %Y time of last data modification, seconds since Epoch\n\ + %z time of last status change, human-readable\n\ + %Z time of last status change, seconds since Epoch\n\ \n\ "), stdout); |