POSIX-2017 clarifies that -- and normal option parsing must be supported.
See EXAMPLES in basename(1p).
Signed-off-by: Mattias Andrée <maand...@kth.se>
---
basename.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/basename.c b/basename.c
index d211799..94a2848 100644
--- a/basename.c
+++ b/basename.c
@@ -17,7 +17,10 @@ main(int argc, char *argv[])
ssize_t off;
char *p;
- argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
+ ARGBEGIN {
+ default:
+ usage();
+ } ARGEND
if (argc != 1 && argc != 2)
usage();
--
2.11.1
