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Add --noheadings option to dmsetup -c for colon-separated output.

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This commit is contained in:
Alasdair Kergon 2004-10-12 16:42:40 +00:00
parent 56f5c04d5b
commit 45ae32da38
2 changed files with 32 additions and 4 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.00.20 -
=============================
Add --noheadings columns option for colon-separated dmsetup output.
Support device referencing by uuid or major/minor.
Warn if kernel data didn't fit in buffer.
Fix a printf.

35
tools/dmsetup.c
View File

@ -57,6 +57,7 @@ enum {
COLS_ARG,
MAJOR_ARG,
MINOR_ARG,
NOHEADINGS_ARG,
NOTABLE_ARG,
UUID_ARG,
VERBOSE_ARG,
@ -125,6 +126,27 @@ static int _parse_file(struct dm_task *dmt, const char *file)
return r;
}
static void _display_info_cols_noheadings(struct dm_task *dmt,
struct dm_info *info)
{
const char *uuid;
if (!info->exists)
return;
uuid = dm_task_get_uuid(dmt);
printf("%s:%d:%d:%s%s%s%s:%d:%d:%" PRIu32 ":%s\n",
dm_task_get_name(dmt),
info->major, info->minor,
info->live_table ? "L" : "-",
info->inactive_table ? "I" : "-",
info->suspended ? "s" : "-",
info->read_only ? "r" : "w",
info->open_count, info->target_count, info->event_nr,
uuid && *uuid ? uuid : "");
}
static void _display_info_cols(struct dm_task *dmt, struct dm_info *info)
{
static int _headings = 0;
@ -201,10 +223,12 @@ static void _display_info(struct dm_task *dmt)
if (!dm_task_get_info(dmt, &info))
return;
if (_switches[COLS_ARG])
_display_info_cols(dmt, &info);
else
if (!_switches[COLS_ARG])
_display_info_long(dmt, &info);
else if (_switches[NOHEADINGS_ARG])
_display_info_cols_noheadings(dmt, &info);
else
_display_info_cols(dmt, &info);
}
static int _set_task_device(struct dm_task *dmt, const char *name, int optional)
@ -844,10 +868,11 @@ static int _process_switches(int *argc, char ***argv)
#ifdef HAVE_GETOPTLONG
static struct option long_options[] = {
{"columns", 0, NULL, COLS_ARG},
{"readonly", 0, NULL, READ_ONLY},
{"columns", 0, NULL, COLS_ARG},
{"major", 1, NULL, MAJOR_ARG},
{"minor", 1, NULL, MINOR_ARG},
{"noheadings", 0, NULL, NOHEADINGS_ARG},
{"notable", 0, NULL, NOTABLE_ARG},
{"uuid", 1, NULL, UUID_ARG},
{"verbose", 1, NULL, VERBOSE_ARG},
@ -888,6 +913,8 @@ static int _process_switches(int *argc, char ***argv)
_switches[UUID_ARG]++;
_uuid = optarg;
}
if ((ind == NOHEADINGS_ARG))
_switches[NOHEADINGS_ARG]++;
if ((ind == VERSION_ARG))
_switches[VERSION_ARG]++;
}