From: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Date: Wed, 18 Mar 2015 15:44:48 +0000 (+0100)
Subject: check for empty parameters in askfirst
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fprocd.git;a=commitdiff_plain;h=0cf744c720c9ed01c2dae25f338d4e96b9db95e3;ds=inline

check for empty parameters in askfirst

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
---

diff --git a/utils/askfirst.c b/utils/askfirst.c
index e78823c..69de76f 100644
--- a/utils/askfirst.c
+++ b/utils/askfirst.c
@@ -31,8 +31,13 @@ int main(int argc, char **argv)
 	}
 	while (c != 0xA);
 
+	if (argc < 2) {
+		printf("%s needs to be called with at least 1 parameter\n", argv[0]);
+		return -1;
+	}
+
 	execvp(argv[1], &argv[1]);
-	printf("Failed to execute %s\n", argv[0]);
+	printf("Failed to execute %s\n", argv[1]);
 
 	return -1;
 }