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author | Benno Schulenberg | 2014-12-22 22:57:17 +0100 |
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committer | Karel Zak | 2015-01-06 11:27:38 +0100 |
commit | 451dbcfae1406f526208faf6033d6dcc8ac100da (patch) | |
tree | 594265cfbfad9989191ae3df877d7e6c300699a8 /sys-utils/blkdiscard.c | |
parent | chsh: keep struct options in .rodata (diff) | |
download | kernel-qcow2-util-linux-451dbcfae1406f526208faf6033d6dcc8ac100da.tar.gz kernel-qcow2-util-linux-451dbcfae1406f526208faf6033d6dcc8ac100da.tar.xz kernel-qcow2-util-linux-451dbcfae1406f526208faf6033d6dcc8ac100da.zip |
textual: add a docstring to most of the utilities
This adds a concise description of a tool to its usage text.
A first form of this patch was proposed by Steven Honeyman
(see http://www.spinics.net/lists/util-linux-ng/msg09994.html).
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
Diffstat (limited to 'sys-utils/blkdiscard.c')
-rw-r--r-- | sys-utils/blkdiscard.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys-utils/blkdiscard.c b/sys-utils/blkdiscard.c index 6075d8684..e33f9b9d6 100644 --- a/sys-utils/blkdiscard.c +++ b/sys-utils/blkdiscard.c @@ -61,6 +61,10 @@ static void __attribute__((__noreturn__)) usage(FILE *out) fputs(USAGE_HEADER, out); fprintf(out, _(" %s [options] <device>\n"), program_invocation_short_name); + + fputs(USAGE_SEPARATOR, out); + fputs(_("Discard the content of sectors on a device.\n"), out); + fputs(USAGE_OPTIONS, out); fputs(_(" -o, --offset <num> offset in bytes to discard from\n" " -l, --length <num> length of bytes to discard from the offset\n" |