Minor code fixes

* seed random number generator with time [seconds] + PID instead of just
  time [nanoseconds]
* Improve usage message

1 files changed, 2 insertions, 6 deletions

diff --git a/src/randsleep.c b/src/randsleep.c
index 46c6353..bf7bdc3 100644
--- a/src/randsleep.c
+++ b/src/randsleep.c
@@ -5,19 +5,15 @@
 
 int main (int argc, char **argv) {
 	long maxsleep;
-	struct timespec ntime;
 
 	if (argc < 2) {
-		fputs("Usage: randsleep <max> [<cmd>]\n", stdout);
+		fputs("Usage: randsleep <max> [<cmd> [<args ...>]]\n", stderr);
 		return 1;
 	}
 
 	maxsleep = atol(argv[1]);
 
-	if (clock_gettime(CLOCK_REALTIME, &ntime) == -1)
-		perror("clock_gettime");
-
-	srand(ntime.tv_nsec);
+	srand(time(NULL) + getpid());
 
 	sleep((rand() % maxsleep) + 1);