/*
* findmnt(8)
*
- * Copyright (C) 2010-2014 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved.
* Written by Karel Zak <kzak@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
#include "optutils.h"
#include "mangle.h"
-/* flags */
-enum {
- FL_EVALUATE = (1 << 1),
- FL_CANONICALIZE = (1 << 2),
- FL_FIRSTONLY = (1 << 3),
- FL_INVERT = (1 << 4),
- FL_NOSWAPMATCH = (1 << 6),
- FL_NOFSROOT = (1 << 7),
- FL_SUBMOUNTS = (1 << 8),
- FL_POLL = (1 << 9),
- FL_DF = (1 << 10),
- FL_ALL = (1 << 11),
- FL_UNIQ = (1 << 12),
- FL_BYTES = (1 << 13),
-
- /* basic table settings */
- FL_ASCII = (1 << 20),
- FL_RAW = (1 << 21),
- FL_NOHEADINGS = (1 << 22),
- FL_EXPORT = (1 << 23),
- FL_TREE = (1 << 24)
-};
+#include "findmnt.h"
/* column IDs */
enum {
COL_OPT_FIELDS,
COL_PROPAGATION,
COL_FREQ,
- COL_PASSNO,
-
- FINDMNT_NCOLUMNS
+ COL_PASSNO
};
enum {
};
/* columns descriptions (don't use const, this is writable) */
-static struct colinfo infos[FINDMNT_NCOLUMNS] = {
+static struct colinfo infos[] = {
[COL_SOURCE] = { "SOURCE", 0.25, SCOLS_FL_NOEXTREMES, N_("source device") },
[COL_TARGET] = { "TARGET", 0.30, SCOLS_FL_TREE| SCOLS_FL_NOEXTREMES, N_("mountpoint") },
[COL_FSTYPE] = { "FSTYPE", 0.10, SCOLS_FL_TRUNC, N_("filesystem type") },
[COL_PASSNO] = { "PASSNO", 1, SCOLS_FL_RIGHT, N_("pass number on parallel fsck(8) [fstab only]") }
};
-/* global flags */
-static int flags;
+/* columns[] array specifies all currently wanted output column. The columns
+ * are defined by infos[] array and you can specify (on command line) each
+ * column twice. That's enough, dynamically allocated array of the columns is
+ * unnecessary overkill and over-engineering in this case */
+static int columns[ARRAY_SIZE(infos) * 2];
+static size_t ncolumns;
+
+static inline size_t err_columns_index(size_t arysz, size_t idx)
+{
+ if (idx >= arysz)
+ errx(EXIT_FAILURE, _("too many columns specified, "
+ "the limit is %zu columns"),
+ arysz - 1);
+ return idx;
+}
-/* array with IDs of enabled columns */
-static int columns[FINDMNT_NCOLUMNS];
-static int ncolumns;
+#define add_column(ary, n, id) \
+ ((ary)[ err_columns_index(ARRAY_SIZE(ary), (n)) ] = (id))
/* poll actions (parsed --poll=<list> */
#define FINDMNT_NACTIONS 4 /* mount, umount, move, remount */
static int actions[FINDMNT_NACTIONS];
static int nactions;
-/* libmount cache */
-static struct libmnt_cache *cache;
+/* global (accessed from findmnt-verify.c too) */
+int flags;
+int parse_nerrors;
+struct libmnt_cache *cache;
+
#ifdef HAVE_LIBUDEV
-struct udev *udev;
+static struct udev *udev;
#endif
static int match_func(struct libmnt_fs *fs, void *data __attribute__ ((__unused__)));
static int get_column_id(int num)
{
- assert(num < ncolumns);
- assert(columns[num] < FINDMNT_NCOLUMNS);
+ assert(num >= 0);
+ assert((size_t) num < ncolumns);
+ assert((size_t) columns[num] < ARRAY_SIZE(infos));
return columns[num];
}
static const char *column_id_to_name(int id)
{
- assert(id < FINDMNT_NCOLUMNS);
+ assert((size_t) id < ARRAY_SIZE(infos));
return infos[id].name;
}
static const char *get_match(int id)
{
- assert(id < FINDMNT_NCOLUMNS);
+ assert((size_t) id < ARRAY_SIZE(infos));
return infos[id].match;
}
static void *get_match_data(int id)
{
- assert(id < FINDMNT_NCOLUMNS);
+ assert((size_t) id < ARRAY_SIZE(infos));
return infos[id].match_data;
}
static void set_match(int id, const char *match)
{
- assert(id < FINDMNT_NCOLUMNS);
+ assert((size_t) id < ARRAY_SIZE(infos));
infos[id].match = match;
}
static void set_match_data(int id, void *data)
{
- assert(id < FINDMNT_NCOLUMNS);
+ assert((size_t) id < ARRAY_SIZE(infos));
infos[id].match_data = data;
}
set_match(COL_SOURCE, data);
}
-static void enable_extra_target_match(void)
+/*
+ * Extra functionality for --target <path>. The function mnt_table_find_mountpoint()
+ * also checks parents (path elements in reverse order) to get mountpoint.
+ *
+ * @tb has to be from kernel (so no fstab or so)!
+ */
+static void enable_extra_target_match(struct libmnt_table *tb)
{
- char *cn = NULL, *mnt = NULL;
+ char *cn = NULL;
+ const char *tgt = NULL, *mnt = NULL;
+ struct libmnt_fs *fs;
/*
* Check if match pattern is mountpoint, if not use the
* real mountpoint.
*/
- cn = mnt_resolve_path(get_match(COL_TARGET), cache);
- if (!cn)
- return;
+ if (flags & FL_NOCACHE)
+ tgt = get_match(COL_TARGET);
+ else {
+ tgt = cn = mnt_resolve_path(get_match(COL_TARGET), cache);
+ if (!cn)
+ return;
+ }
- mnt = mnt_get_mountpoint(cn);
- if (!mnt || strcmp(mnt, cn) == 0)
- return;
+ fs = mnt_table_find_mountpoint(tb, tgt, MNT_ITER_BACKWARD);
+ if (fs)
+ mnt = mnt_fs_get_target(fs);
+ if (mnt && strcmp(mnt, tgt) != 0)
+ set_match(COL_TARGET, xstrdup(mnt)); /* replace the current setting */
- /* replace the current setting with the real mountpoint */
- set_match(COL_TARGET, mnt);
+ if (!cache)
+ free(cn);
}
static int is_tabdiff_column(int id)
{
- assert(id < FINDMNT_NCOLUMNS);
+ assert((size_t) id < ARRAY_SIZE(infos));
switch(id) {
case COL_ACTION:
/*
* "findmnt" without any filter
*/
-static int is_listall_mode(void)
+int is_listall_mode(void)
{
- if ((flags & FL_DF) && !(flags & FL_ALL))
+ if ((flags & FL_DF || flags & FL_REAL || flags & FL_PSEUDO) && !(flags & FL_ALL))
return 0;
return (!get_match(COL_SOURCE) &&
static void disable_columns_truncate(void)
{
- int i;
+ size_t i;
- for (i = 0; i < FINDMNT_NCOLUMNS; i++)
+ for (i = 0; i < ARRAY_SIZE(infos); i++)
infos[i].flags &= ~SCOLS_FL_TRUNC;
}
*/
static int column_name_to_id(const char *name, size_t namesz)
{
- int i;
+ size_t i;
- for (i = 0; i < FINDMNT_NCOLUMNS; i++) {
+ for (i = 0; i < ARRAY_SIZE(infos); i++) {
const char *cn = column_id_to_name(i);
if (!strncasecmp(name, cn, namesz) && !*(cn + namesz))
else {
const char *dev = mnt_fs_get_source(fs);
- if (dev)
+ if (dev && !(flags & FL_NOCACHE))
dev = mnt_resolve_spec(dev, cache);
#ifdef HAVE_LIBUDEV
if (dev)
{
const char *root = mnt_fs_get_root(fs);
const char *spec = mnt_fs_get_srcpath(fs);
+ char *cn = NULL;
if (spec && (flags & FL_CANONICALIZE))
- spec = mnt_resolve_path(spec, cache);
+ spec = cn = mnt_resolve_path(spec, cache);
if (!spec) {
spec = mnt_fs_get_source(fs);
if (spec && (flags & FL_EVALUATE))
- spec = mnt_resolve_spec(spec, cache);
+ spec = cn = mnt_resolve_spec(spec, cache);
}
if (root && spec && !(flags & FL_NOFSROOT) && strcmp(root, "/"))
xasprintf(&str, "%s[%s]", spec, root);
else if (spec)
str = xstrdup(spec);
+ if (!cache)
+ free(cn);
break;
}
case COL_TARGET:
if (!devno)
break;
- if ((flags & FL_RAW) || (flags & FL_EXPORT))
+ if ((flags & FL_RAW) || (flags & FL_EXPORT) || (flags & FL_JSON))
xasprintf(&str, "%u:%u", major(devno), minor(devno));
else
xasprintf(&str, "%3u:%-3u", major(devno), minor(devno));
static struct libscols_line *add_line(struct libscols_table *table, struct libmnt_fs *fs,
struct libscols_line *parent)
{
- int i;
+ size_t i;
struct libscols_line *line = scols_table_new_line(table, parent);
- if (!line) {
- warn(_("failed to add line to output"));
- return NULL;
+ if (!line)
+ err(EXIT_FAILURE, _("failed to allocate output line"));
+
+ for (i = 0; i < ncolumns; i++) {
+ if (scols_line_refer_data(line, i, get_data(fs, i)))
+ err(EXIT_FAILURE, _("failed to add output data"));
}
- for (i = 0; i < ncolumns; i++)
- scols_line_refer_data(line, i, get_data(fs, i));
scols_line_set_userdata(line, fs);
return line;
static struct libscols_line *add_tabdiff_line(struct libscols_table *table, struct libmnt_fs *new_fs,
struct libmnt_fs *old_fs, int change)
{
- int i;
+ size_t i;
struct libscols_line *line = scols_table_new_line(table, NULL);
- if (!line) {
- warn(_("failed to add line to output"));
- return NULL;
+ if (!line)
+ err(EXIT_FAILURE, _("failed to allocate output line"));
+
+ for (i = 0; i < ncolumns; i++) {
+ if (scols_line_refer_data(line, i,
+ get_tabdiff_data(old_fs, new_fs, change, i)))
+ err(EXIT_FAILURE, _("failed to add output data"));
}
- for (i = 0; i < ncolumns; i++)
- scols_line_refer_data(line, i,
- get_tabdiff_data(old_fs, new_fs, change, i));
return line;
}
{
struct libscols_line *ln;
struct libscols_iter *itr;
+ int rc = 0;
itr = scols_new_iter(SCOLS_ITER_FORWARD);
if (!itr)
return 0;
- while(scols_table_next_line(table, itr, &ln) == 0) {
- if ((struct libmnt_fs *) scols_line_get_userdata(ln) == fs)
- return 1;
+ while (scols_table_next_line(table, itr, &ln) == 0) {
+ if ((struct libmnt_fs *) scols_line_get_userdata(ln) == fs) {
+ rc = 1;
+ break;
+ }
}
- return 0;
+
+ scols_free_iter(itr);
+ return rc;
}
/* reads filesystems from @tb (libmount) and fillin @table (output table) */
static int parser_errcb(struct libmnt_table *tb __attribute__ ((__unused__)),
const char *filename, int line)
{
- warnx(_("%s: parse error at line %d"), filename, line);
- return 0;
+ warnx(_("%s: parse error at line %d -- ignored"), filename, line);
+ ++parse_nerrors;
+ return 1;
}
static char **append_tabfile(char **files, int *nfiles, char *filename)
return tb;
}
+/*
+ * Parses mountinfo and calls mnt_cache_set_targets(cache, mtab). Only
+ * necessary if @tb in main() was read from a non-kernel source.
+ */
+static void cache_set_targets(struct libmnt_cache *tmp)
+{
+ struct libmnt_table *tb;
+ const char *path;
+
+ tb = mnt_new_table();
+ if (!tb)
+ return;
+
+ path = access(_PATH_PROC_MOUNTINFO, R_OK) == 0 ?
+ _PATH_PROC_MOUNTINFO :
+ _PATH_PROC_MOUNTS;
+
+ if (mnt_table_parse_file(tb, path) == 0)
+ mnt_cache_set_targets(tmp, tb);
+
+ mnt_unref_table(tb);
+}
+
/* checks if @tb contains parent->child relations */
static int tab_is_tree(struct libmnt_table *tb)
{
struct libmnt_fs *fs = NULL;
- struct libmnt_iter *itr = NULL;
+ struct libmnt_iter *itr;
int rc = 0;
itr = mnt_new_iter(MNT_ITER_BACKWARD);
return rc;
}
+/* checks if all fs in @tb are from kernel */
+static int tab_is_kernel(struct libmnt_table *tb)
+{
+ struct libmnt_fs *fs = NULL;
+ struct libmnt_iter *itr;
+
+ itr = mnt_new_iter(MNT_ITER_BACKWARD);
+ if (!itr)
+ return 0;
+
+ while (mnt_table_next_fs(tb, itr, &fs) == 0) {
+ if (!mnt_fs_is_kernel(fs)) {
+ mnt_free_iter(itr);
+ return 0;
+ }
+ }
+
+ mnt_free_iter(itr);
+ return 1;
+}
/* filter function for libmount (mnt_table_find_next_fs()) */
static int match_func(struct libmnt_fs *fs,
return rc;
}
+ if ((flags & FL_REAL) && mnt_fs_is_pseudofs(fs))
+ return rc;
+
+ if ((flags & FL_PSEUDO) && !mnt_fs_is_pseudofs(fs))
+ return rc;
+
return !rc;
}
/* iterate over filesystems in @tb */
-static struct libmnt_fs *get_next_fs(struct libmnt_table *tb,
+struct libmnt_fs *get_next_fs(struct libmnt_table *tb,
struct libmnt_iter *itr)
{
struct libmnt_fs *fs = NULL;
} else if (is_mount_compatible_mode()) {
/*
- * Look up for FS in the same way how mount(8) searchs in fstab
+ * Look up for FS in the same way how mount(8) searches in fstab
*
* findmnt -f <spec>
*/
* findmnt [-l] <spec> [-O <options>] [-t <types>]
*/
again:
- mnt_table_find_next_fs(tb, itr, match_func, NULL, &fs);
+ if (mnt_table_find_next_fs(tb, itr, match_func, NULL, &fs) != 0)
+ fs = NULL;
if (!fs &&
!(flags & FL_NOSWAPMATCH) &&
static int add_matching_lines(struct libmnt_table *tb,
struct libscols_table *table, int direction)
{
- struct libmnt_iter *itr = NULL;
+ struct libmnt_iter *itr;
struct libmnt_fs *fs;
int nlines = 0, rc = -1;
FILE *f = NULL;
int rc = -1;
struct libmnt_iter *itr = NULL;
- struct libmnt_table *tb_new = NULL;
+ struct libmnt_table *tb_new;
struct libmnt_tabdiff *diff = NULL;
struct pollfd fds[1];
}
if (count) {
- rc = scols_print_table(table);
+ rc = scols_table_print_range(table, NULL, NULL);
+ if (rc == 0)
+ fputc('\n', scols_table_get_stream(table));
+ fflush(stdout);
if (rc)
goto done;
}
tb = tb_new;
tb_new = tmp;
+ /* remove already printed lines to reduce memory usage */
scols_table_remove_lines(table);
mnt_reset_table(tb_new);
return !mnt_fs_match_target(a, mnt_fs_get_target(b), cache);
}
-static void __attribute__((__noreturn__)) usage(FILE *out)
+static void __attribute__((__noreturn__)) usage(void)
{
- int i;
+ FILE *out = stdout;
+ size_t i;
fputs(USAGE_HEADER, out);
fprintf(out, _(
" %1$s [options]\n"
" %1$s [options] <device> | <mountpoint>\n"
" %1$s [options] <device> <mountpoint>\n"
- " %1$s [options] [--source <device>] [--target <mountpoint>]\n"),
+ " %1$s [options] [--source <device>] [--target <path> | --mountpoint <dir>]\n"),
program_invocation_short_name);
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Find a (mounted) filesystem.\n"), out);
+
fputs(USAGE_OPTIONS, out);
fputs(_(" -s, --fstab search in static table of filesystems\n"), out);
- fputs(_(" -m, --mtab search in table of mounted filesystems\n"), out);
+ fputs(_(" -m, --mtab search in table of mounted filesystems\n"
+ " (includes user space mount options)\n"), out);
fputs(_(" -k, --kernel search in kernel table of mounted\n"
- " filesystems (default)\n"), out);
+ " filesystems (default)\n"), out);
fputc('\n', out);
fputs(_(" -p, --poll[=<list>] monitor changes in table of mounted filesystems\n"), out);
fputs(_(" -w, --timeout <num> upper limit in milliseconds that --poll will block\n"), out);
fputs(_(" -A, --all disable all built-in filters, print all filesystems\n"), out);
fputs(_(" -a, --ascii use ASCII chars for tree formatting\n"), out);
fputs(_(" -b, --bytes print sizes in bytes rather than in human readable format\n"), out);
+ fputs(_(" -C, --nocanonicalize don't canonicalize when comparing paths\n"), out);
fputs(_(" -c, --canonicalize canonicalize printed paths\n"), out);
fputs(_(" -D, --df imitate the output of df(1)\n"), out);
fputs(_(" -d, --direction <word> direction of search, 'forward' or 'backward'\n"), out);
fputs(_(" -F, --tab-file <path> alternative file for -s, -m or -k options\n"), out);
fputs(_(" -f, --first-only print the first found filesystem only\n"), out);
fputs(_(" -i, --invert invert the sense of matching\n"), out);
+ fputs(_(" -J, --json use JSON output format\n"), out);
fputs(_(" -l, --list use list format output\n"), out);
fputs(_(" -N, --task <tid> use alternative namespace (/proc/<tid>/mountinfo file)\n"), out);
fputs(_(" -n, --noheadings don't print column headings\n"), out);
- fputs(_(" -U, --uniq ignore filesystems with duplicate target\n"), out);
- fputs(_(" -u, --notruncate don't truncate text in columns\n"), out);
fputs(_(" -O, --options <list> limit the set of filesystems by mount options\n"), out);
fputs(_(" -o, --output <list> the output columns to be shown\n"), out);
+ fputs(_(" --output-all output all available columns\n"), out);
fputs(_(" -P, --pairs use key=\"value\" output format\n"), out);
- fputs(_(" -r, --raw use raw output format\n"), out);
- fputs(_(" -t, --types <list> limit the set of filesystems by FS types\n"), out);
- fputs(_(" -v, --nofsroot don't print [/dir] for bind or btrfs mounts\n"), out);
+ fputs(_(" --pseudo print only pseudo-filesystems\n"), out);
fputs(_(" -R, --submounts print all submounts for the matching filesystems\n"), out);
+ fputs(_(" -r, --raw use raw output format\n"), out);
+ fputs(_(" --real print only real filesystems\n"), out);
fputs(_(" -S, --source <string> the device to mount (by name, maj:min, \n"
" LABEL=, UUID=, PARTUUID=, PARTLABEL=)\n"), out);
- fputs(_(" -T, --target <string> the mountpoint to use\n"), out);
+ fputs(_(" -T, --target <path> the path to the filesystem to use\n"), out);
+ fputs(_(" --tree enable tree format output is possible\n"), out);
+ fputs(_(" -M, --mountpoint <dir> the mountpoint directory\n"), out);
+ fputs(_(" -t, --types <list> limit the set of filesystems by FS types\n"), out);
+ fputs(_(" -U, --uniq ignore filesystems with duplicate target\n"), out);
+ fputs(_(" -u, --notruncate don't truncate text in columns\n"), out);
+ fputs(_(" -v, --nofsroot don't print [/dir] for bind or btrfs mounts\n"), out);
- fputs(USAGE_SEPARATOR, out);
- fputs(USAGE_HELP, out);
- fputs(USAGE_VERSION, out);
+ fputc('\n', out);
+ fputs(_(" -x, --verify verify mount table content (default is fstab)\n"), out);
+ fputs(_(" --verbose print more details\n"), out);
- fprintf(out, _("\nAvailable columns:\n"));
+ fputs(USAGE_SEPARATOR, out);
+ printf(USAGE_HELP_OPTIONS(24));
- for (i = 0; i < FINDMNT_NCOLUMNS; i++)
+ fputs(USAGE_COLUMNS, out);
+ for (i = 0; i < ARRAY_SIZE(infos); i++)
fprintf(out, " %11s %s\n", infos[i].name, _(infos[i].help));
- fprintf(out, USAGE_MAN_TAIL("findmnt(8)"));
+ printf(USAGE_MAN_TAIL("findmnt(8)"));
- exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
+ exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
struct libmnt_table *tb = NULL;
char **tabfiles = NULL;
int direction = MNT_ITER_FORWARD;
- int i, c, rc = -1, timeout = -1;
+ int verify = 0;
+ int c, rc = -1, timeout = -1;
int ntabfiles = 0, tabtype = 0;
char *outarg = NULL;
+ size_t i;
+ int force_tree = 0, istree = 0;
struct libscols_table *table = NULL;
+ enum {
+ FINDMNT_OPT_VERBOSE = CHAR_MAX + 1,
+ FINDMNT_OPT_TREE,
+ FINDMNT_OPT_OUTPUT_ALL,
+ FINDMNT_OPT_PSEUDO,
+ FINDMNT_OPT_REAL
+ };
+
static const struct option longopts[] = {
- { "all", 0, 0, 'A' },
- { "ascii", 0, 0, 'a' },
- { "bytes", 0, 0, 'b' },
- { "canonicalize", 0, 0, 'c' },
- { "direction", 1, 0, 'd' },
- { "df", 0, 0, 'D' },
- { "evaluate", 0, 0, 'e' },
- { "first-only", 0, 0, 'f' },
- { "fstab", 0, 0, 's' },
- { "help", 0, 0, 'h' },
- { "invert", 0, 0, 'i' },
- { "kernel", 0, 0, 'k' },
- { "list", 0, 0, 'l' },
- { "mtab", 0, 0, 'm' },
- { "noheadings", 0, 0, 'n' },
- { "notruncate", 0, 0, 'u' },
- { "options", 1, 0, 'O' },
- { "output", 1, 0, 'o' },
- { "poll", 2, 0, 'p' },
- { "pairs", 0, 0, 'P' },
- { "raw", 0, 0, 'r' },
- { "types", 1, 0, 't' },
- { "nofsroot", 0, 0, 'v' },
- { "submounts", 0, 0, 'R' },
- { "source", 1, 0, 'S' },
- { "tab-file", 1, 0, 'F' },
- { "task", 1, 0, 'N' },
- { "target", 1, 0, 'T' },
- { "timeout", 1, 0, 'w' },
- { "uniq", 0, 0, 'U' },
- { "version", 0, 0, 'V' },
-
- { NULL, 0, 0, 0 }
+ { "all", no_argument, NULL, 'A' },
+ { "ascii", no_argument, NULL, 'a' },
+ { "bytes", no_argument, NULL, 'b' },
+ { "canonicalize", no_argument, NULL, 'c' },
+ { "direction", required_argument, NULL, 'd' },
+ { "df", no_argument, NULL, 'D' },
+ { "evaluate", no_argument, NULL, 'e' },
+ { "first-only", no_argument, NULL, 'f' },
+ { "fstab", no_argument, NULL, 's' },
+ { "help", no_argument, NULL, 'h' },
+ { "invert", no_argument, NULL, 'i' },
+ { "json", no_argument, NULL, 'J' },
+ { "kernel", no_argument, NULL, 'k' },
+ { "list", no_argument, NULL, 'l' },
+ { "mountpoint", required_argument, NULL, 'M' },
+ { "mtab", no_argument, NULL, 'm' },
+ { "noheadings", no_argument, NULL, 'n' },
+ { "notruncate", no_argument, NULL, 'u' },
+ { "options", required_argument, NULL, 'O' },
+ { "output", required_argument, NULL, 'o' },
+ { "output-all", no_argument, NULL, FINDMNT_OPT_OUTPUT_ALL },
+ { "poll", optional_argument, NULL, 'p' },
+ { "pairs", no_argument, NULL, 'P' },
+ { "raw", no_argument, NULL, 'r' },
+ { "types", required_argument, NULL, 't' },
+ { "nocanonicalize", no_argument, NULL, 'C' },
+ { "nofsroot", no_argument, NULL, 'v' },
+ { "submounts", no_argument, NULL, 'R' },
+ { "source", required_argument, NULL, 'S' },
+ { "tab-file", required_argument, NULL, 'F' },
+ { "task", required_argument, NULL, 'N' },
+ { "target", required_argument, NULL, 'T' },
+ { "timeout", required_argument, NULL, 'w' },
+ { "uniq", no_argument, NULL, 'U' },
+ { "verify", no_argument, NULL, 'x' },
+ { "version", no_argument, NULL, 'V' },
+ { "verbose", no_argument, NULL, FINDMNT_OPT_VERBOSE },
+ { "tree", no_argument, NULL, FINDMNT_OPT_TREE },
+ { "real", no_argument, NULL, FINDMNT_OPT_REAL },
+ { "pseudo", no_argument, NULL, FINDMNT_OPT_PSEUDO },
+ { NULL, 0, NULL, 0 }
};
- static const ul_excl_t excl[] = { /* rows and cols in in ASCII order */
+ static const ul_excl_t excl[] = { /* rows and cols in ASCII order */
+ { 'C', 'c'}, /* [no]canonicalize */
+ { 'C', 'e' }, /* nocanonicalize, evaluate */
+ { 'J', 'P', 'r','x' }, /* json,pairs,raw,verify */
+ { 'M', 'T' }, /* mountpoint, target */
{ 'N','k','m','s' }, /* task,kernel,mtab,fstab */
- { 'P','l','r' }, /* pairs,list,raw */
+ { 'P','l','r','x' }, /* pairs,list,raw,verify */
+ { 'p','x' }, /* poll,verify */
{ 'm','p','s' }, /* mtab,poll,fstab */
+ { FINDMNT_OPT_PSEUDO, FINDMNT_OPT_REAL },
{ 0 }
};
int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
- assert(ARRAY_SIZE(columns) == FINDMNT_NCOLUMNS);
-
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
- atexit(close_stdout);
+ close_stdout_atexit();
/* default output format */
flags |= FL_TREE;
while ((c = getopt_long(argc, argv,
- "AabcDd:ehifF:o:O:p::PklmnN:rst:uvRS:T:Uw:V",
+ "AabCcDd:ehiJfF:o:O:p::PklmM:nN:rst:uvRS:T:Uw:Vx",
longopts, NULL)) != -1) {
err_exclusive_options(c, longopts, excl, excl_st);
case 'b':
flags |= FL_BYTES;
break;
+ case 'C':
+ flags |= FL_NOCACHE;
+ break;
case 'c':
flags |= FL_CANONICALIZE;
break;
case 'e':
flags |= FL_EVALUATE;
break;
- case 'h':
- usage(stdout);
- break;
case 'i':
flags |= FL_INVERT;
break;
+ case 'J':
+ flags |= FL_JSON;
+ break;
case 'f':
flags |= FL_FIRSTONLY;
break;
case 'o':
outarg = optarg;
break;
+ case FINDMNT_OPT_OUTPUT_ALL:
+ for (ncolumns = 0; ncolumns < ARRAY_SIZE(infos); ncolumns++) {
+ if (is_tabdiff_column(ncolumns))
+ continue;
+ columns[ncolumns] = ncolumns;
+ }
+ break;
case 'O':
set_match(COL_OPTIONS, optarg);
break;
set_source_match(optarg);
flags |= FL_NOSWAPMATCH;
break;
+ case 'M':
+ flags |= FL_STRICTTARGET;
+ /* fallthrough */
case 'T':
set_match(COL_TARGET, optarg);
flags |= FL_NOSWAPMATCH;
case 'w':
timeout = strtos32_or_err(optarg, _("invalid timeout argument"));
break;
+ case 'x':
+ verify = 1;
+ break;
+ case FINDMNT_OPT_VERBOSE:
+ flags |= FL_VERBOSE;
+ break;
+ case FINDMNT_OPT_TREE:
+ force_tree = 1;
+ break;
+ case FINDMNT_OPT_PSEUDO:
+ flags |= FL_PSEUDO;
+ break;
+ case FINDMNT_OPT_REAL:
+ flags |= FL_REAL;
+ break;
+
+ case 'h':
+ usage();
case 'V':
- printf(UTIL_LINUX_VERSION);
- return EXIT_SUCCESS;
+ print_version(EXIT_SUCCESS);
default:
- usage(stderr);
- break;
+ errtryhelp(EXIT_FAILURE);
}
}
if (!ncolumns && (flags & FL_DF)) {
- columns[ncolumns++] = COL_SOURCE;
- columns[ncolumns++] = COL_FSTYPE;
- columns[ncolumns++] = COL_SIZE;
- columns[ncolumns++] = COL_USED;
- columns[ncolumns++] = COL_AVAIL;
- columns[ncolumns++] = COL_USEPERC;
- columns[ncolumns++] = COL_TARGET;
+ add_column(columns, ncolumns++, COL_SOURCE);
+ add_column(columns, ncolumns++, COL_FSTYPE);
+ add_column(columns, ncolumns++, COL_SIZE);
+ add_column(columns, ncolumns++, COL_USED);
+ add_column(columns, ncolumns++, COL_AVAIL);
+ add_column(columns, ncolumns++, COL_USEPERC);
+ add_column(columns, ncolumns++, COL_TARGET);
}
/* default columns */
if (!ncolumns) {
if (flags & FL_POLL)
- columns[ncolumns++] = COL_ACTION;
+ add_column(columns, ncolumns++, COL_ACTION);
- columns[ncolumns++] = COL_TARGET;
- columns[ncolumns++] = COL_SOURCE;
- columns[ncolumns++] = COL_FSTYPE;
- columns[ncolumns++] = COL_OPTIONS;
+ add_column(columns, ncolumns++, COL_TARGET);
+ add_column(columns, ncolumns++, COL_SOURCE);
+ add_column(columns, ncolumns++, COL_FSTYPE);
+ add_column(columns, ncolumns++, COL_OPTIONS);
}
if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns),
return EXIT_FAILURE;
if (!tabtype)
- tabtype = TABTYPE_KERNEL;
+ tabtype = verify ? TABTYPE_FSTAB : TABTYPE_KERNEL;
if ((flags & FL_POLL) && ntabfiles > 1)
errx(EXIT_FAILURE, _("--poll accepts only one file, but more specified by --tab-file"));
if (!tb)
goto leave;
- if ((flags & FL_TREE) && (ntabfiles > 1 || !tab_is_tree(tb)))
+ if (tabtype == TABTYPE_MTAB && tab_is_kernel(tb))
+ tabtype = TABTYPE_KERNEL;
+
+ istree = tab_is_tree(tb);
+ if (istree && force_tree)
+ flags |= FL_TREE;
+
+ if ((flags & FL_TREE) && (ntabfiles > 1 || !istree))
flags &= ~FL_TREE;
- cache = mnt_new_cache();
- if (!cache) {
- warn(_("failed to initialize libmount cache"));
- goto leave;
+ if (!(flags & FL_NOCACHE)) {
+ cache = mnt_new_cache();
+ if (!cache) {
+ warn(_("failed to initialize libmount cache"));
+ goto leave;
+ }
+ mnt_table_set_cache(tb, cache);
+
+ if (tabtype != TABTYPE_KERNEL)
+ cache_set_targets(cache);
}
- mnt_table_set_cache(tb, cache);
if (flags & FL_UNIQ)
mnt_table_uniq_fs(tb, MNT_UNIQ_KEEPTREE, uniq_fs_target_cmp);
+ if (verify) {
+ rc = verify_table(tb);
+ goto leave;
+ }
+
/*
- * initialize output formatting (libsmartcols.h)
+ * initialize libsmartcols
*/
+ scols_init_debug(0);
table = scols_new_table();
if (!table) {
- warn(_("failed to initialize output table"));
+ warn(_("failed to allocate output table"));
goto leave;
}
scols_table_enable_raw(table, !!(flags & FL_RAW));
scols_table_enable_export(table, !!(flags & FL_EXPORT));
+ scols_table_enable_json(table, !!(flags & FL_JSON));
scols_table_enable_ascii(table, !!(flags & FL_ASCII));
scols_table_enable_noheadings(table, !!(flags & FL_NOHEADINGS));
+ if (flags & FL_JSON)
+ scols_table_set_name(table, "filesystems");
+
for (i = 0; i < ncolumns; i++) {
+ struct libscols_column *cl;
int fl = get_column_flags(i);
int id = get_column_id(i);
"is not enabled"), get_column_name(i));
goto leave;
}
- if (!scols_table_new_column(table, get_column_name(i),
- get_column_whint(i), fl)) {
- warn(_("failed to initialize output column"));
+ cl = scols_table_new_column(table, get_column_name(i),
+ get_column_whint(i), fl);
+ if (!cl) {
+ warn(_("failed to allocate output column"));
goto leave;
}
+
+ if (flags & FL_JSON) {
+ switch (id) {
+ case COL_SIZE:
+ case COL_AVAIL:
+ case COL_USED:
+ if (!(flags & FL_BYTES))
+ break;
+ /* fallthrough */
+ case COL_ID:
+ case COL_FREQ:
+ case COL_PASSNO:
+ case COL_TID:
+ scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
+ break;
+ default:
+ scols_column_set_json_type(cl, SCOLS_JSON_STRING);
+ break;
+ }
+ }
}
/*
/* whole tree */
rc = create_treenode(table, tb, NULL, NULL);
} else {
- /* whole lits of sub-tree */
+ /* whole list of sub-tree */
rc = add_matching_lines(tb, table, direction);
if (rc != 0
&& tabtype == TABTYPE_KERNEL
&& (flags & FL_NOSWAPMATCH)
+ && !(flags & FL_STRICTTARGET)
&& get_match(COL_TARGET)) {
/*
* Found nothing, maybe the --target is regular file,
* try it again with extra functionality for target
* match
*/
- enable_extra_target_match();
+ enable_extra_target_match(tb);
rc = add_matching_lines(tb, table, direction);
}
}