From 6c837610a1bb0762f786a1bf5ff166e966f15eed Mon Sep 17 00:00:00 2001
From: Dan Buch <daniel.buch@gmail.com>
Date: Wed, 13 Apr 2016 09:41:34 -0400
Subject: [PATCH] Use basename in usage string

---
 lcthw-remnants-2/ex17-ec.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lcthw-remnants-2/ex17-ec.c b/lcthw-remnants-2/ex17-ec.c
index 24a2eca..33bc92f 100644
--- a/lcthw-remnants-2/ex17-ec.c
+++ b/lcthw-remnants-2/ex17-ec.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <string.h>
+#include <libgen.h>
 
 #define MAX_DATA 512
 #define MAX_ROWS 100
@@ -153,7 +154,10 @@ void Database_list(struct Connection *conn)
 
 int main(int argc, char *argv[])
 {
-  if(argc < 3) die("USAGE: ex17 <dbfile> <action> [action params]", NULL);
+  char usage[64];
+  sprintf(usage, "USAGE: %s <dbfile> <action> [action params]", basename(argv[0]));
+
+  if(argc < 3) die(usage, NULL);
 
   char *filename = argv[1];
   char action = argv[2][0];