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-rw-r--r--libguile/filesys.c17
-rw-r--r--test-suite/tests/filesys.test8
2 files changed, 20 insertions, 5 deletions
diff --git a/libguile/filesys.c b/libguile/filesys.c
index ccec10b8b..4f7115397 100644
--- a/libguile/filesys.c
+++ b/libguile/filesys.c
@@ -1608,11 +1608,20 @@ SCM_DEFINE (scm_basename, "basename", 1, 1, 0,
c_filename = scm_to_utf8_string (filename);
scm_dynwind_free (c_filename);
- c_last_component = last_component (c_filename);
- if (!c_last_component)
- res = filename;
+ if (strcmp (c_filename, "/") == 0
+ || strcmp (c_filename, "//") == 0)
+ /* As per
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/basename.html>,
+ "/" and "//" are treated specially. */
+ res = scm_from_utf8_string ("/");
else
- res = scm_from_utf8_string (c_last_component);
+ {
+ c_last_component = last_component (c_filename);
+ if (!c_last_component)
+ res = filename;
+ else
+ res = scm_from_utf8_string (c_last_component);
+ }
scm_dynwind_end ();
if (!SCM_UNBNDP (suffix) &&
diff --git a/test-suite/tests/filesys.test b/test-suite/tests/filesys.test
index fceb182be..9ec9f6172 100644
--- a/test-suite/tests/filesys.test
+++ b/test-suite/tests/filesys.test
@@ -1,6 +1,6 @@
;;;; filesys.test --- test file system functions -*- scheme -*-
;;;;
-;;;; Copyright (C) 2004, 2006, 2013 Free Software Foundation, Inc.
+;;;; Copyright (C) 2004, 2006, 2013, 2019 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -222,6 +222,12 @@
(cons (join-thread child) out)))
(throw 'unresolved)))))
+(with-test-prefix "basename"
+
+ (pass-if-equal "/" "/" (basename "/"))
+ (pass-if-equal "//" "/" (basename "//"))
+ (pass-if-equal "a/b/c" "c" (basename "a/b/c")))
+
(delete-file (test-file))
(when (file-exists? (test-symlink))
(delete-file (test-symlink)))