X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fdisable_channels.c;h=344be237d26c2d4581c26c50363dbbe7558293ff;hp=f1f2e51b9a21c2296189c6813758fe7dfc3aa183;hb=3533d06b152292235b1ab28364804754339e62f5;hpb=890d8fe47755c3bad936389cf48ffa141cff41c9

diff --git a/src/bin/lttng/commands/disable_channels.c b/src/bin/lttng/commands/disable_channels.c
index f1f2e51b9..344be237d 100644
--- a/src/bin/lttng/commands/disable_channels.c
+++ b/src/bin/lttng/commands/disable_channels.c
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #define _LGPL_SOURCE
@@ -34,6 +24,12 @@ static int opt_kernel;
 static char *opt_session_name;
 static int opt_userspace;
 
+#ifdef LTTNG_EMBED_HELP
+static const char help_msg[] =
+#include <lttng-disable-channel.1.h>
+;
+#endif
+
 enum {
 	OPT_HELP = 1,
 	OPT_USERSPACE,
@@ -53,22 +49,6 @@ static struct poptOption long_options[] = {
 	{0, 0, 0, 0, 0, 0, 0}
 };
 
-/*
- * usage
- */
-static void usage(FILE *ofp)
-{
-	fprintf(ofp, "usage: lttng disable-channel NAME[,NAME2,...] (-k | -u) [OPTIONS]\n");
-	fprintf(ofp, "\n");
-	fprintf(ofp, "Options:\n");
-	fprintf(ofp, "  -h, --help               Show this help\n");
-	fprintf(ofp, "      --list-options       Simple listing of options\n");
-	fprintf(ofp, "  -s, --session NAME       Apply to session name\n");
-	fprintf(ofp, "  -k, --kernel             Apply to the kernel tracer\n");
-	fprintf(ofp, "  -u, --userspace          Apply to the user-space tracer\n");
-	fprintf(ofp, "\n");
-}
-
 static int mi_partial_channel_print(char *channel_name, unsigned int enabled,
 		int success)
 {
@@ -226,6 +206,7 @@ int cmd_disable_channels(int argc, const char **argv)
 	int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1;
 	static poptContext pc;
 	char *session_name = NULL;
+	const char *leftover = NULL;
 
 	pc = poptGetContext(NULL, argc, argv, long_options, 0);
 	poptReadDefaultConfig(pc, 0);
@@ -233,7 +214,7 @@ int cmd_disable_channels(int argc, const char **argv)
 	while ((opt = poptGetNextOpt(pc)) != -1) {
 		switch (opt) {
 		case OPT_HELP:
-			usage(stdout);
+			SHOW_HELP();
 			goto end;
 		case OPT_USERSPACE:
 			opt_userspace = 1;
@@ -242,13 +223,13 @@ int cmd_disable_channels(int argc, const char **argv)
 			list_cmd_options(stdout, long_options);
 			goto end;
 		default:
-			usage(stderr);
 			ret = CMD_UNDEFINED;
 			goto end;
 		}
 	}
 
-	ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace);
+	ret = print_missing_or_multiple_domains(
+			opt_kernel + opt_userspace, false);
 	if (ret) {
 		ret = CMD_ERROR;
 		goto end;
@@ -257,7 +238,13 @@ int cmd_disable_channels(int argc, const char **argv)
 	opt_channels = (char*) poptGetArg(pc);
 	if (opt_channels == NULL) {
 		ERR("Missing channel name(s).\n");
-		usage(stderr);
+		ret = CMD_ERROR;
+		goto end;
+	}
+
+	leftover = poptGetArg(pc);
+	if (leftover) {
+		ERR("Unknown argument: %s", leftover);
 		ret = CMD_ERROR;
 		goto end;
 	}