From: Marc Olivier Chouinard <mochouinard@moctel.com>
Date: Wed, 14 Jul 2010 18:29:24 +0000 (-0400)
Subject: mod_commands: Fix a segfault if no arguments is provided to limit_hash_usage
X-Git-Tag: v1.2-rc1~544^2~44
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ceb2a9b279a39cdf932722d852cb2e4e05b8db0;p=thirdparty%2Ffreeswitch.git

mod_commands: Fix a segfault if no arguments is provided to limit_hash_usage
---

diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index 29d7d17140..800923fcc5 100644
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -4279,12 +4279,17 @@ end:
 	return SWITCH_STATUS_SUCCESS;
 }
 
-#define LIMIT_HASH_USAGE_USAGE "<backend> <realm> <id> [rate]"
+#define LIMIT_HASH_USAGE_USAGE "<realm> <id> [rate] (Using deprecated limit api, check limit_usage with backend param)"
 SWITCH_STANDARD_API(limit_hash_usage_function)
 {
 	char *mydata = NULL;
-	mydata = switch_core_session_sprintf(session, "hash %s", cmd);
-	return limit_usage_function(mydata, session, stream);
+	if (!zstr(cmd)) {
+		mydata = switch_core_session_sprintf(session, "hash %s", cmd);
+		return limit_usage_function(mydata, session, stream);
+	} else {
+		stream->write_function(stream, "USAGE: limit_hash_usage %s\n", LIMIT_HASH_USAGE_USAGE);
+		return SWITCH_STATUS_SUCCESS;
+	}
 }
 
 #define LIMIT_STATUS_USAGE "<backend>"