From: Gerhard Sittig <redacted>
Date: Tue, 2 Jan 2018 21:13:06 +0000 (+0100)
Subject: main.cpp: check log level range before using its value
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=ed6f8680ba30649409b35ffccb7f815cb7b1a23a;p=pulseview.git

main.cpp: check log level range before using its value

(Silently) ignore invalid -l loglevel specs. This avoids a crash
reported in bug #1071.
---

diff --git a/main.cpp b/main.cpp
index 8f495419..0f9aec2f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -121,6 +121,10 @@ int main(int argc, char *argv[])
 		case 'l':
 		{
 			const int loglevel = atoi(optarg);
+			if (loglevel < 0 || loglevel > 5) {
+				qDebug() << "ERROR: invalid log level spec.";
+				break;
+			}
 			context->set_log_level(sigrok::LogLevel::get(loglevel));
 
 #ifdef ENABLE_DECODE