From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39188) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WQGIP-0000lo-Jo for qemu-devel@nongnu.org; Wed, 19 Mar 2014 09:12:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WQGII-0003fZ-SJ for qemu-devel@nongnu.org; Wed, 19 Mar 2014 09:12:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:9335) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WQGII-0003fK-Jy for qemu-devel@nongnu.org; Wed, 19 Mar 2014 09:12:30 -0400 From: Kevin Wolf Date: Wed, 19 Mar 2014 14:12:02 +0100 Message-Id: <1395234727-6841-4-git-send-email-kwolf@redhat.com> In-Reply-To: <1395234727-6841-1-git-send-email-kwolf@redhat.com> References: <1395234727-6841-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 3/8] qemu-io: Extended "--cmd" description in usage text List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, anthony@codemonkey.ws From: Maria Kustova It's not clear from the usage description that "--cmd" option accepts its argument as a string, so any special symbols have to be quoted from the shell. Updates in usage text: - Specified parameter format for "--cmd" option. - Added an instruction how to get help for "--cmd" option. Signed-off-by: Maria Kustova Reviewed-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- qemu-io.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/qemu-io.c b/qemu-io.c index 2d119c2..5d7b53f 100644 --- a/qemu-io.c +++ b/qemu-io.c @@ -193,10 +193,11 @@ static const cmdinfo_t quit_cmd = { static void usage(const char *name) { printf( -"Usage: %s [-h] [-V] [-rsnm] [-c cmd] ... [file]\n" +"Usage: %s [-h] [-V] [-rsnm] [-c STRING] ... [file]\n" "QEMU Disk exerciser\n" "\n" -" -c, --cmd command to execute\n" +" -c, --cmd STRING execute command with its arguments\n" +" from the given string\n" " -r, --read-only export read-only\n" " -s, --snapshot use snapshot file\n" " -n, --nocache disable host cache\n" @@ -207,8 +208,10 @@ static void usage(const char *name) " -T, --trace FILE enable trace events listed in the given file\n" " -h, --help display this help and exit\n" " -V, --version output version information and exit\n" +"\n" +"See '%s -c help' for information on available commands." "\n", - name); + name, name); } static char *get_prompt(void) -- 1.8.3.1