From 9fa8486900284d78b8255b2116af9a0b0ef11a46 Mon Sep 17 00:00:00 2001
From: Christian Neukirchen <chneukirchen@gmail.com>
Date: Fri, 31 Jul 2015 15:44:29 +0200
Subject: cleanups, usage

---
 nq.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

(limited to 'nq.c')

diff --git a/nq.c b/nq.c
index 69d478c..ccd3a7a 100644
--- a/nq.c
+++ b/nq.c
@@ -54,16 +54,21 @@ write_execline(int fd, int argc, char *argv[])
 int
 main(int argc, char *argv[])
 {
-	pid_t child;
 	int dirfd, lockfd;
-	char lockfile[32];
 	int pipefd[2];
-	struct timeval tv;
+	char lockfile[32];
+	pid_t child;
+	struct timeval started;
 	struct dirent *ent;
 
 	/* timestamp is milliseconds since epoch.  */
-	gettimeofday(&tv, NULL);
-	int64_t ms = tv.tv_sec*1000 + tv.tv_usec/1000;
+	gettimeofday(&started, NULL);
+	int64_t ms = started.tv_sec*1000 + started.tv_usec/1000;
+
+	if (argc <= 1) {
+		swrite(2, "usage: nq CMD...\n");
+		exit(1);
+	}
 
 	char *path = getenv("NQDIR");
 	if (!path)
-- 
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