Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Mini df implementation for busybox |
| 4 | * |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 6 | * based on original code by (I think) Bruce Perens <bruce@pixar.com>. |
| 7 | * |
Denys Vlasenko | 0ef64bd | 2010-08-16 20:14:46 +0200 | [diff] [blame] | 8 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 9 | */ |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 10 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) |
| 11 | * |
| 12 | * Size reduction. Removed floating point dependency. Added error checking |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 13 | * on output. Output stats on 0-sized filesystems if specifically listed on |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 14 | * the command line. Properly round *-blocks, Used, and Available quantities. |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 15 | * |
| 16 | * Aug 28, 2008 Bernhard Reutner-Fischer |
| 17 | * |
| 18 | * Implement -P and -B; better coreutils compat; cleanup |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 19 | */ |
Denys Vlasenko | af3f420 | 2016-11-23 14:46:56 +0100 | [diff] [blame] | 20 | //config:config DF |
Denys Vlasenko | b097a84 | 2018-12-28 03:20:17 +0100 | [diff] [blame] | 21 | //config: bool "df (6.8 kb)" |
Denys Vlasenko | af3f420 | 2016-11-23 14:46:56 +0100 | [diff] [blame] | 22 | //config: default y |
| 23 | //config: help |
Denys Vlasenko | 72089cf | 2017-07-21 09:50:55 +0200 | [diff] [blame] | 24 | //config: df reports the amount of disk space used and available |
| 25 | //config: on filesystems. |
Denys Vlasenko | af3f420 | 2016-11-23 14:46:56 +0100 | [diff] [blame] | 26 | //config: |
| 27 | //config:config FEATURE_DF_FANCY |
| 28 | //config: bool "Enable -a, -i, -B" |
| 29 | //config: default y |
| 30 | //config: depends on DF |
| 31 | //config: help |
Denys Vlasenko | 72089cf | 2017-07-21 09:50:55 +0200 | [diff] [blame] | 32 | //config: -a Show all filesystems |
| 33 | //config: -i Inodes |
| 34 | //config: -B <SIZE> Blocksize |
Denys Vlasenko | af3f420 | 2016-11-23 14:46:56 +0100 | [diff] [blame] | 35 | |
Denys Vlasenko | fc9efcb | 2017-08-07 22:19:17 +0200 | [diff] [blame] | 36 | //applet:IF_DF(APPLET_NOEXEC(df, df, BB_DIR_BIN, BB_SUID_DROP, df)) |
Denys Vlasenko | af3f420 | 2016-11-23 14:46:56 +0100 | [diff] [blame] | 37 | |
| 38 | //kbuild:lib-$(CONFIG_DF) += df.o |
| 39 | |
| 40 | /* BB_AUDIT SUSv3 _NOT_ compliant -- option -t missing. */ |
| 41 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/df.html */ |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 42 | |
Pere Orga | 3442538 | 2011-03-31 14:43:25 +0200 | [diff] [blame] | 43 | //usage:#define df_trivial_usage |
| 44 | //usage: "[-Pk" |
| 45 | //usage: IF_FEATURE_HUMAN_READABLE("mh") |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 46 | //usage: "T" |
Pere Orga | 3442538 | 2011-03-31 14:43:25 +0200 | [diff] [blame] | 47 | //usage: IF_FEATURE_DF_FANCY("ai] [-B SIZE") |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 48 | //usage: "] [-t TYPE] [FILESYSTEM]..." |
Pere Orga | 3442538 | 2011-03-31 14:43:25 +0200 | [diff] [blame] | 49 | //usage:#define df_full_usage "\n\n" |
| 50 | //usage: "Print filesystem usage statistics\n" |
Pere Orga | 3442538 | 2011-03-31 14:43:25 +0200 | [diff] [blame] | 51 | //usage: "\n -P POSIX output format" |
| 52 | //usage: "\n -k 1024-byte blocks (default)" |
| 53 | //usage: IF_FEATURE_HUMAN_READABLE( |
| 54 | //usage: "\n -m 1M-byte blocks" |
| 55 | //usage: "\n -h Human readable (e.g. 1K 243M 2G)" |
| 56 | //usage: ) |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 57 | //usage: "\n -T Print filesystem type" |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 58 | //usage: "\n -t TYPE Print only mounts of this type" |
Pere Orga | 3442538 | 2011-03-31 14:43:25 +0200 | [diff] [blame] | 59 | //usage: IF_FEATURE_DF_FANCY( |
| 60 | //usage: "\n -a Show all filesystems" |
| 61 | //usage: "\n -i Inodes" |
| 62 | //usage: "\n -B SIZE Blocksize" |
| 63 | //usage: ) |
| 64 | //usage: |
| 65 | //usage:#define df_example_usage |
| 66 | //usage: "$ df\n" |
| 67 | //usage: "Filesystem 1K-blocks Used Available Use% Mounted on\n" |
| 68 | //usage: "/dev/sda3 8690864 8553540 137324 98% /\n" |
| 69 | //usage: "/dev/sda1 64216 36364 27852 57% /boot\n" |
| 70 | //usage: "$ df /dev/sda3\n" |
| 71 | //usage: "Filesystem 1K-blocks Used Available Use% Mounted on\n" |
| 72 | //usage: "/dev/sda3 8690864 8553540 137324 98% /\n" |
| 73 | //usage: "$ POSIXLY_CORRECT=sure df /dev/sda3\n" |
| 74 | //usage: "Filesystem 512B-blocks Used Available Use% Mounted on\n" |
| 75 | //usage: "/dev/sda3 17381728 17107080 274648 98% /\n" |
| 76 | //usage: "$ POSIXLY_CORRECT=yep df -P /dev/sda3\n" |
| 77 | //usage: "Filesystem 512-blocks Used Available Capacity Mounted on\n" |
| 78 | //usage: "/dev/sda3 17381728 17107080 274648 98% /\n" |
| 79 | |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 80 | #include <mntent.h> |
James Clarke | d153521 | 2017-10-07 18:53:20 +0100 | [diff] [blame] | 81 | #include <sys/statvfs.h> |
Denis Vlasenko | b6adbf1 | 2007-05-26 19:00:18 +0000 | [diff] [blame] | 82 | #include "libbb.h" |
Denys Vlasenko | 200d522 | 2009-09-22 15:34:28 +0200 | [diff] [blame] | 83 | #include "unicode.h" |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 84 | |
Denis Vlasenko | e324184 | 2007-08-13 10:36:25 +0000 | [diff] [blame] | 85 | #if !ENABLE_FEATURE_HUMAN_READABLE |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 86 | static unsigned long kscale(unsigned long b, unsigned long bs) |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 87 | { |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 88 | return (b * (unsigned long long) bs + 1024/2) / 1024; |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 89 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 90 | #endif |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 91 | |
Denis Vlasenko | 9b49a5e | 2007-10-11 10:05:36 +0000 | [diff] [blame] | 92 | int df_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
Denys Vlasenko | e992bae | 2009-11-28 15:18:53 +0100 | [diff] [blame] | 93 | int df_main(int argc UNUSED_PARAM, char **argv) |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 94 | { |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 95 | unsigned long df_disp_hr = 1024; |
Matt Kraai | 92ed8a3 | 2000-12-06 15:55:23 +0000 | [diff] [blame] | 96 | int status = EXIT_SUCCESS; |
Denis Vlasenko | 67b23e6 | 2006-10-03 21:00:06 +0000 | [diff] [blame] | 97 | unsigned opt; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 98 | FILE *mount_table; |
| 99 | struct mntent *mount_entry; |
James Clarke | d153521 | 2017-10-07 18:53:20 +0100 | [diff] [blame] | 100 | struct statvfs s; |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 101 | enum { |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 102 | OPT_KILO = (1 << 0), |
| 103 | OPT_POSIX = (1 << 1), |
| 104 | OPT_FSTYPE = (1 << 2), |
| 105 | OPT_t = (1 << 3), |
| 106 | OPT_ALL = (1 << 4) * ENABLE_FEATURE_DF_FANCY, |
| 107 | OPT_INODE = (1 << 5) * ENABLE_FEATURE_DF_FANCY, |
| 108 | OPT_BSIZE = (1 << 6) * ENABLE_FEATURE_DF_FANCY, |
| 109 | OPT_HUMAN = (1 << (4 + 3*ENABLE_FEATURE_DF_FANCY)) * ENABLE_FEATURE_HUMAN_READABLE, |
| 110 | OPT_MEGA = (1 << (5 + 3*ENABLE_FEATURE_DF_FANCY)) * ENABLE_FEATURE_HUMAN_READABLE, |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 111 | }; |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 112 | const char *disp_units_hdr = NULL; |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 113 | char *chp, *opt_t; |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 114 | |
Denys Vlasenko | 2805502 | 2010-01-04 20:49:58 +0100 | [diff] [blame] | 115 | init_unicode(); |
Denys Vlasenko | 200d522 | 2009-09-22 15:34:28 +0200 | [diff] [blame] | 116 | |
Denys Vlasenko | a2a9113 | 2021-06-20 14:46:19 +0200 | [diff] [blame] | 117 | /* From the manpage of df from coreutils-6.10: |
| 118 | * Disk space is shown in 1K blocks by default, unless the environment |
| 119 | * variable POSIXLY_CORRECT is set, in which case 512-byte blocks are used. |
| 120 | */ |
| 121 | if (getenv("POSIXLY_CORRECT")) /* TODO - a new libbb function? */ |
| 122 | df_disp_hr = 512; |
| 123 | |
Denys Vlasenko | 22542ec | 2017-08-08 21:55:02 +0200 | [diff] [blame] | 124 | opt = getopt32(argv, "^" |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 125 | "kPTt:" |
Denis Vlasenko | 5e34ff2 | 2009-04-21 11:09:40 +0000 | [diff] [blame] | 126 | IF_FEATURE_DF_FANCY("aiB:") |
| 127 | IF_FEATURE_HUMAN_READABLE("hm") |
Denys Vlasenko | 22542ec | 2017-08-08 21:55:02 +0200 | [diff] [blame] | 128 | "\0" |
| 129 | #if ENABLE_FEATURE_HUMAN_READABLE && ENABLE_FEATURE_DF_FANCY |
| 130 | "k-mB:m-Bk:B-km" |
| 131 | #elif ENABLE_FEATURE_HUMAN_READABLE |
| 132 | "k-m:m-k" |
| 133 | #endif |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 134 | , &opt_t |
Denys Vlasenko | 22542ec | 2017-08-08 21:55:02 +0200 | [diff] [blame] | 135 | IF_FEATURE_DF_FANCY(, &chp) |
| 136 | ); |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 137 | if (opt & OPT_MEGA) |
| 138 | df_disp_hr = 1024*1024; |
| 139 | |
Denys Vlasenko | e184a88 | 2016-12-12 19:56:31 +0100 | [diff] [blame] | 140 | if (opt & OPT_BSIZE) { |
| 141 | /* GNU coreutils 8.25 accepts "-BMiB" form too */ |
| 142 | int i; |
| 143 | for (i = 0; kmg_i_suffixes[i].suffix[0]; i++) { |
| 144 | if (strcmp(kmg_i_suffixes[i].suffix, chp) == 0) { |
| 145 | df_disp_hr = kmg_i_suffixes[i].mult; |
| 146 | goto got_it; |
| 147 | } |
| 148 | } |
| 149 | /* Range used to disallow 0 */ |
| 150 | df_disp_hr = xatoul_range_sfx(chp, 1, ULONG_MAX, kmg_i_suffixes); |
| 151 | got_it: ; |
| 152 | } |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 153 | |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 154 | if (opt & OPT_HUMAN) { |
Denis Vlasenko | f0ed376 | 2006-10-26 23:21:47 +0000 | [diff] [blame] | 155 | df_disp_hr = 0; |
| 156 | disp_units_hdr = " Size"; |
Eric Andersen | 8876fb2 | 2003-06-20 09:01:58 +0000 | [diff] [blame] | 157 | } |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 158 | if (opt & OPT_INODE) |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 159 | disp_units_hdr = " Inodes"; |
Matt Kraai | 92ed8a3 | 2000-12-06 15:55:23 +0000 | [diff] [blame] | 160 | |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 161 | if (disp_units_hdr == NULL) { |
| 162 | #if ENABLE_FEATURE_HUMAN_READABLE |
| 163 | disp_units_hdr = xasprintf("%s-blocks", |
Denys Vlasenko | 0bf44d0 | 2009-10-13 01:25:09 +0200 | [diff] [blame] | 164 | /* print df_disp_hr, show no fractionals, |
| 165 | * use suffixes if OPT_POSIX is set in opt */ |
| 166 | make_human_readable_str(df_disp_hr, 0, !!(opt & OPT_POSIX)) |
| 167 | ); |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 168 | #else |
Denis Vlasenko | e0bcba1 | 2008-09-25 10:41:15 +0000 | [diff] [blame] | 169 | disp_units_hdr = xasprintf("%lu-blocks", df_disp_hr); |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 170 | #endif |
| 171 | } |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 172 | |
| 173 | printf("Filesystem %s%-15sUsed Available %s Mounted on\n", |
| 174 | (opt & OPT_FSTYPE) ? "Type " : "", |
| 175 | disp_units_hdr, |
| 176 | (opt & OPT_POSIX) ? "Capacity" : "Use%"); |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 177 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 178 | mount_table = NULL; |
| 179 | argv += optind; |
Denys Vlasenko | e992bae | 2009-11-28 15:18:53 +0100 | [diff] [blame] | 180 | if (!argv[0]) { |
Denis Vlasenko | f0ed376 | 2006-10-26 23:21:47 +0000 | [diff] [blame] | 181 | mount_table = setmntent(bb_path_mtab_file, "r"); |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 182 | if (!mount_table) |
James Byrne | 6937487 | 2019-07-02 11:35:03 +0200 | [diff] [blame] | 183 | bb_simple_perror_msg_and_die(bb_path_mtab_file); |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 184 | } |
| 185 | |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 186 | while (1) { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 187 | const char *device; |
| 188 | const char *mount_point; |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 189 | const char *fs_type; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 190 | |
| 191 | if (mount_table) { |
Denis Vlasenko | f0ed376 | 2006-10-26 23:21:47 +0000 | [diff] [blame] | 192 | mount_entry = getmntent(mount_table); |
| 193 | if (!mount_entry) { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 194 | endmntent(mount_table); |
| 195 | break; |
| 196 | } |
| 197 | } else { |
Denis Vlasenko | f0ed376 | 2006-10-26 23:21:47 +0000 | [diff] [blame] | 198 | mount_point = *argv++; |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 199 | if (!mount_point) |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 200 | break; |
Denys Vlasenko | 6ae6426 | 2009-07-18 16:22:26 +0200 | [diff] [blame] | 201 | mount_entry = find_mount_point(mount_point, 1); |
Denis Vlasenko | f0ed376 | 2006-10-26 23:21:47 +0000 | [diff] [blame] | 202 | if (!mount_entry) { |
| 203 | bb_error_msg("%s: can't find mount point", mount_point); |
Denis Vlasenko | 0354aba | 2009-03-19 03:56:20 +0000 | [diff] [blame] | 204 | set_error: |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 205 | status = EXIT_FAILURE; |
| 206 | continue; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | device = mount_entry->mnt_fsname; |
Denys Vlasenko | e20a703 | 2018-02-23 17:08:32 +0100 | [diff] [blame] | 211 | |
| 212 | /* GNU coreutils 6.10 skips certain mounts, try to be compatible */ |
| 213 | if (ENABLE_FEATURE_SKIP_ROOTFS && strcmp(device, "rootfs") == 0) |
| 214 | continue; |
| 215 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 216 | mount_point = mount_entry->mnt_dir; |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 217 | fs_type = mount_entry->mnt_type; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 218 | |
Denys Vlasenko | d82c937 | 2021-06-20 15:03:21 +0200 | [diff] [blame] | 219 | if (opt & OPT_t) { |
| 220 | if (strcmp(fs_type, opt_t) != 0) |
| 221 | continue; |
| 222 | } |
| 223 | |
James Clarke | d153521 | 2017-10-07 18:53:20 +0100 | [diff] [blame] | 224 | if (statvfs(mount_point, &s) != 0) { |
Denis Vlasenko | 0c97c9d | 2007-10-01 11:58:38 +0000 | [diff] [blame] | 225 | bb_simple_perror_msg(mount_point); |
Denis Vlasenko | 0354aba | 2009-03-19 03:56:20 +0000 | [diff] [blame] | 226 | goto set_error; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 227 | } |
Denys Vlasenko | e184a88 | 2016-12-12 19:56:31 +0100 | [diff] [blame] | 228 | /* Some uclibc versions were seen to lose f_frsize |
| 229 | * (kernel does return it, but then uclibc does not copy it) |
| 230 | */ |
| 231 | if (s.f_frsize == 0) |
| 232 | s.f_frsize = s.f_bsize; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 233 | |
Denis Vlasenko | 6d38dc3 | 2007-11-15 09:02:12 +0000 | [diff] [blame] | 234 | if ((s.f_blocks > 0) || !mount_table || (opt & OPT_ALL)) { |
Denys Vlasenko | 58cd6e1 | 2018-02-23 17:00:23 +0100 | [diff] [blame] | 235 | unsigned long long blocks_used; |
| 236 | unsigned long long blocks_total; |
| 237 | unsigned blocks_percent_used; |
| 238 | |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 239 | if (opt & OPT_INODE) { |
| 240 | s.f_blocks = s.f_files; |
| 241 | s.f_bavail = s.f_bfree = s.f_ffree; |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 242 | s.f_frsize = 1; |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 243 | if (df_disp_hr) |
| 244 | df_disp_hr = 1; |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 245 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 246 | blocks_used = s.f_blocks - s.f_bfree; |
Denys Vlasenko | 58cd6e1 | 2018-02-23 17:00:23 +0100 | [diff] [blame] | 247 | blocks_total = blocks_used + s.f_bavail; |
| 248 | blocks_percent_used = blocks_total; /* 0% if blocks_total == 0, else... */ |
| 249 | if (blocks_total != 0) { |
| 250 | /* Downscale sizes for narrower division */ |
| 251 | unsigned u; |
| 252 | while (blocks_total >= INT_MAX / 101) { |
| 253 | blocks_total >>= 1; |
| 254 | blocks_used >>= 1; |
| 255 | } |
| 256 | u = (unsigned)blocks_used * 100u + (unsigned)blocks_total / 2; |
| 257 | blocks_percent_used = u / (unsigned)blocks_total; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 258 | } |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 259 | |
Denis Vlasenko | 6d38dc3 | 2007-11-15 09:02:12 +0000 | [diff] [blame] | 260 | #ifdef WHY_WE_DO_IT_FOR_DEV_ROOT_ONLY |
Denis Vlasenko | f430cdb | 2007-11-15 07:02:55 +0000 | [diff] [blame] | 261 | if (strcmp(device, "/dev/root") == 0) { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 262 | /* Adjusts device to be the real root device, |
Denys Vlasenko | a732966 | 2009-12-05 04:25:19 +0100 | [diff] [blame] | 263 | * or leaves device alone if it can't find it */ |
Denis Vlasenko | f0ed376 | 2006-10-26 23:21:47 +0000 | [diff] [blame] | 264 | device = find_block_device("/"); |
| 265 | if (!device) { |
Denis Vlasenko | 0354aba | 2009-03-19 03:56:20 +0000 | [diff] [blame] | 266 | goto set_error; |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 267 | } |
| 268 | } |
Denis Vlasenko | 6d38dc3 | 2007-11-15 09:02:12 +0000 | [diff] [blame] | 269 | #endif |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 270 | |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 271 | #if ENABLE_UNICODE_SUPPORT |
Denys Vlasenko | e17764c | 2010-01-30 23:16:21 +0100 | [diff] [blame] | 272 | { |
| 273 | uni_stat_t uni_stat; |
| 274 | char *uni_dev = unicode_conv_to_printable(&uni_stat, device); |
Ralf Friedl | 00103d3 | 2011-08-09 04:49:27 +0200 | [diff] [blame] | 275 | if (uni_stat.unicode_width > 20 && !(opt & OPT_POSIX)) { |
Denys Vlasenko | e17764c | 2010-01-30 23:16:21 +0100 | [diff] [blame] | 276 | printf("%s\n%20s", uni_dev, ""); |
| 277 | } else { |
| 278 | printf("%s%*s", uni_dev, 20 - (int)uni_stat.unicode_width, ""); |
| 279 | } |
| 280 | free(uni_dev); |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 281 | if (opt & OPT_FSTYPE) { |
| 282 | char *uni_type = unicode_conv_to_printable(&uni_stat, fs_type); |
| 283 | if (uni_stat.unicode_width > 10 && !(opt & OPT_POSIX)) |
| 284 | printf(" %s\n%31s", uni_type, ""); |
| 285 | else |
| 286 | printf(" %s%*s", uni_type, 10 - (int)uni_stat.unicode_width, ""); |
| 287 | free(uni_type); |
| 288 | } |
Denys Vlasenko | 200d522 | 2009-09-22 15:34:28 +0200 | [diff] [blame] | 289 | } |
| 290 | #else |
Ralf Friedl | 00103d3 | 2011-08-09 04:49:27 +0200 | [diff] [blame] | 291 | if (printf("\n%-20s" + 1, device) > 20 && !(opt & OPT_POSIX)) |
Denys Vlasenko | 6967578 | 2013-01-14 01:34:48 +0100 | [diff] [blame] | 292 | printf("\n%-20s", ""); |
Ari Sundholm | d0cdaca | 2014-09-17 20:53:58 +0200 | [diff] [blame] | 293 | if (opt & OPT_FSTYPE) { |
| 294 | if (printf(" %-10s", fs_type) > 11 && !(opt & OPT_POSIX)) |
| 295 | printf("\n%-30s", ""); |
| 296 | } |
Denys Vlasenko | 200d522 | 2009-09-22 15:34:28 +0200 | [diff] [blame] | 297 | #endif |
| 298 | |
Denis Vlasenko | e324184 | 2007-08-13 10:36:25 +0000 | [diff] [blame] | 299 | #if ENABLE_FEATURE_HUMAN_READABLE |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 300 | printf(" %9s ", |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 301 | /* f_blocks x f_frsize / df_disp_hr, show one fractional, |
Denys Vlasenko | 0bf44d0 | 2009-10-13 01:25:09 +0200 | [diff] [blame] | 302 | * use suffixes if df_disp_hr == 0 */ |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 303 | make_human_readable_str(s.f_blocks, s.f_frsize, df_disp_hr)); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 304 | |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 305 | printf(" %9s " + 1, |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 306 | /* EXPR x f_frsize / df_disp_hr, show one fractional, |
Denys Vlasenko | 0bf44d0 | 2009-10-13 01:25:09 +0200 | [diff] [blame] | 307 | * use suffixes if df_disp_hr == 0 */ |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 308 | make_human_readable_str((s.f_blocks - s.f_bfree), |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 309 | s.f_frsize, df_disp_hr)); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 310 | |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 311 | printf("%9s %3u%% %s\n", |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 312 | /* f_bavail x f_frsize / df_disp_hr, show one fractional, |
Denys Vlasenko | 0bf44d0 | 2009-10-13 01:25:09 +0200 | [diff] [blame] | 313 | * use suffixes if df_disp_hr == 0 */ |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 314 | make_human_readable_str(s.f_bavail, s.f_frsize, df_disp_hr), |
Denys Vlasenko | 0bf44d0 | 2009-10-13 01:25:09 +0200 | [diff] [blame] | 315 | blocks_percent_used, mount_point); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 316 | #else |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 317 | printf(" %9lu %9lu %9lu %3u%% %s\n", |
Natanael Copa | 8f4faa1 | 2016-06-23 10:42:40 +0200 | [diff] [blame] | 318 | kscale(s.f_blocks, s.f_frsize), |
| 319 | kscale(s.f_blocks - s.f_bfree, s.f_frsize), |
| 320 | kscale(s.f_bavail, s.f_frsize), |
Denys Vlasenko | 0bf44d0 | 2009-10-13 01:25:09 +0200 | [diff] [blame] | 321 | blocks_percent_used, mount_point); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 322 | #endif |
| 323 | } |
Denis Vlasenko | 08294db | 2007-08-13 12:27:49 +0000 | [diff] [blame] | 324 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 325 | |
Denis Vlasenko | d66aa3c | 2008-08-28 22:42:52 +0000 | [diff] [blame] | 326 | return status; |
Eric Andersen | c6cb79d | 1999-10-13 18:01:10 +0000 | [diff] [blame] | 327 | } |