Audit tr(1)

A tool of my own devising, except from a small style-fix this code has already been triple-checked.
2015-03-17 23:41:22 +01:00
parent 95fb7364a8
commit f6dc69eca3
2 changed files with 2 additions and 2 deletions
--- a/tr.c
+++ b/tr.c
@@ -192,7 +192,7 @@ main(int argc, char *argv[])
 		usage();
 	} ARGEND;

-	if (argc < 1 || argc > 2 || (argc == 1 && dflag == sflag))
+	if (!argc || argc > 2 || (argc == 1 && dflag == sflag))
 		usage();
 	set1ranges = makeset(argv[0], &set1, &set1check);
 	if (argc == 2)