Add global helpers my_system() and my_popen()

src/system/configure_network.cpp

@@ -216,32 +216,6 @@ void CNetworkConfig::commitConfig(void)
 	}
 }
 
-int mysystem(const char * cmd, const char * arg1, const char * arg2)
-{
-        int i;
-	pid_t pid;
-	int maxfd = getdtablesize();// sysconf(_SC_OPEN_MAX);
-	switch (pid = vfork())
-	{
-		case -1: /* can't fork */
-			perror("vfork");
-			return -1;
-
-		case 0: /* child process */
-			for(i = 3; i < maxfd; i++)
-                                close(i);
-			if(execlp(cmd, cmd, arg1, arg2, NULL))
-			{
-				perror("exec");
-			}
-			exit(0);
-		default: /* parent returns to calling process */
-			break;
-	}
-	waitpid(pid, 0, 0);
-	return 0;
-}
-
 void CNetworkConfig::startNetwork(void)
 {
 	std::string cmd = "/sbin/ifup " + ifname;