add -h to parsed options
create more verbose -h output
Signed-off-by: Ivana Hutarova Varekova <varek...@redhat.com>
---
src/tools/cgclear.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/src/tools/cgclear.c b/src/tools/cgclear.c
index 9cfc684..1e00560 100644
--- a/src/tools/cgclear.c
+++ b/src/tools/cgclear.c
@@ -33,8 +33,16 @@ static void usage(int status, const char *program_name)
" try %s -h' for more information.\n",
program_name);
} else {
- printf("%s [-e] [-l config file] [-L directory] ...\n",
- program_name);
+ printf("Usage: %s [-h] [-l FILE] [-L DIR] [-e]\n",
+ program_name);
+ printf("Unload the cgroup filesystem\n");
+ printf(" -h, --help Display this help\n");
+ printf(" -e, --empty Remove only empty"\
+ " cgroups\n");
+ printf(" -l, --load=FILE Parse and load"\
+ "the cgroups configuration file\n");
+ printf(" -L, --load-directory=DIR Parse and load"\
+ "the cgroups configuration files from a directory\n");
}
}
@@ -61,6 +69,7 @@ int main(int argc, char *argv[])
{"load", required_argument, 0, 'l' },
{"load-directory", required_argument, 0, 'L' },
{"only-empty", no_argument, 0, 'e' },
+ {"help", no_argument, 0, 'h'},
{ 0, 0, 0, 0}
};
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