From: David Goulet <dgoulet@efficios.com>
Date: Thu, 11 Apr 2013 20:25:50 +0000 (-0400)
Subject: Fix: deny multiple event types with enable-event
X-Git-Tag: v2.2.0-rc2~47
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=de044b7a0613db6d16151ac9f7b7be404c0bb493

Fix: deny multiple event types with enable-event

Fixes #444

Signed-off-by: David Goulet <dgoulet@efficios.com>
---

diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
index 0e6bb55d8..57837eb7d 100644
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -634,6 +634,7 @@ int cmd_enable_events(int argc, const char **argv)
 	int opt, ret = CMD_SUCCESS;
 	static poptContext pc;
 	char *session_name = NULL;
+	int event_type = -1;
 
 	pc = poptGetContext(NULL, argc, argv, long_options, 0);
 	poptReadDefaultConfig(pc, 0);
@@ -682,6 +683,17 @@ int cmd_enable_events(int argc, const char **argv)
 			ret = CMD_UNDEFINED;
 			goto end;
 		}
+
+		/* Validate event type. Multiple event type are not supported. */
+		if (event_type == -1) {
+			event_type = opt_event_type;
+		} else {
+			if (event_type != opt_event_type) {
+				ERR("Multiple event type not supported.");
+				ret = CMD_ERROR;
+				goto end;
+			}
+		}
 	}
 
 	opt_event_list = (char*) poptGetArg(pc);