From: Pavel Roskin <proski@gnu.org>
Date: Wed, 27 Nov 2013 20:14:22 +0000 (-0500)
Subject: Check the return value of system()
X-Git-Url: http://git.ozo.com/?a=commitdiff_plain;h=0f5e6bf980d5c582c4d56014f9dbf16926200c67;p=madwifi%2F.git

Check the return value of system()
---

diff --git a/tools/wlanconfig.c b/tools/wlanconfig.c
index 1c0ff91..3ccf049 100644
--- a/tools/wlanconfig.c
+++ b/tools/wlanconfig.c
@@ -776,7 +776,8 @@ list_keys(const char *ifname)
 	strcpy(cmd, "iwlist ");
 	strcat(cmd, ifname);
 	strcat(cmd, " key");
-	system(cmd);
+	if (system(cmd) != 0)
+		puts("Failed!");
 }
 
 #define	IEEE80211_C_BITS \
@@ -892,7 +893,8 @@ ieee80211_status(const char *ifname)
 	puts("[status not implemented (yet). Spawning iwconfig...]");
 	strcpy(cmd, "iwconfig ");
 	strcat(cmd, ifname);
-	system(cmd);
+	if (system(cmd) != 0)
+		puts("Failed!");
 }
 
 static int