Commit be147d24 authored by Michael Albinus's avatar Michael Albinus

Handle empty strings in Tramp's expand-file-name implementations

* lisp/net/tramp.el (tramp-handle-expand-file-name):
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-expand-file-name):
* lisp/net/tramp-sh.el (tramp-sh-handle-expand-file-name):
* lisp/net/tramp-smb.el (tramp-smb-handle-expand-file-name):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-expand-file-name):
Handle empty NAME.

* test/lisp/net/tramp-tests.el (tramp-test01-file-name-syntax)
(tramp-test01-file-name-syntax-simplified)
(tramp-test01-file-name-syntax-separate): Use neutral IPv4 address.
(tramp-test05-expand-file-name): Check also "." and "".
parent a3be45dd
Pipeline #932 passed with stage
in 56 minutes and 48 seconds
......@@ -883,6 +883,8 @@ file names."
"Like `expand-file-name' for Tramp files."
;; If DIR is not given, use DEFAULT-DIRECTORY or "/".
(setq dir (or dir default-directory "/"))
;; Handle empty NAME.
(when (zerop (length name)) (setq name "."))
;; Unless NAME is absolute, concat DIR and NAME.
(unless (file-name-absolute-p name)
(setq name (concat (file-name-as-directory dir) name)))
......
......@@ -2716,6 +2716,8 @@ If the localname part of the given file name starts with \"/../\" then
the result will be a local, non-Tramp, file name."
;; If DIR is not given, use `default-directory' or "/".
(setq dir (or dir default-directory "/"))
;; Handle empty NAME.
(when (zerop (length name)) (setq name "."))
;; Unless NAME is absolute, concat DIR and NAME.
(unless (file-name-absolute-p name)
(setq name (concat (file-name-as-directory dir) name)))
......
......@@ -692,6 +692,8 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are completely ignored."
"Like `expand-file-name' for Tramp files."
;; If DIR is not given, use DEFAULT-DIRECTORY or "/".
(setq dir (or dir default-directory "/"))
;; Handle empty NAME.
(when (zerop (length name)) (setq name "."))
;; Unless NAME is absolute, concat DIR and NAME.
(unless (file-name-absolute-p name)
(setq name (concat (file-name-as-directory dir) name)))
......
......@@ -353,6 +353,8 @@ If the localname part of the given file name starts with \"/../\" then
the result will be a local, non-Tramp, file name."
;; If DIR is not given, use `default-directory' or "/".
(setq dir (or dir default-directory "/"))
;; Handle empty NAME.
(when (zerop (length name)) (setq name "."))
;; Unless NAME is absolute, concat DIR and NAME.
(unless (file-name-absolute-p name)
(setq name (concat (file-name-as-directory dir) name)))
......
......@@ -3069,6 +3069,8 @@ User is always nil."
"Like `expand-file-name' for Tramp files."
;; If DIR is not given, use DEFAULT-DIRECTORY or "/".
(setq dir (or dir default-directory "/"))
;; Handle empty NAME.
(when (zerop (length name)) (setq name "."))
;; Unless NAME is absolute, concat DIR and NAME.
(unless (file-name-absolute-p name)
(setq name (concat (file-name-as-directory dir) name)))
......
......@@ -238,8 +238,8 @@ properly. BODY shall not contain a timeout."
(should (tramp-tramp-file-p "/method:user@[::1]:"))
;; Using an IPv4 mapped IPv6 address.
(should (tramp-tramp-file-p "/method:[::ffff:192.168.0.1]:"))
(should (tramp-tramp-file-p "/method:user@[::ffff:192.168.0.1]:"))
(should (tramp-tramp-file-p "/method:[::ffff:1.2.3.4]:"))
(should (tramp-tramp-file-p "/method:user@[::ffff:1.2.3.4]:"))
;; Local file name part.
(should (tramp-tramp-file-p "/method:::"))
......@@ -268,7 +268,7 @@ properly. BODY shall not contain a timeout."
(should-not (tramp-tramp-file-p "/1.2.3.4:"))
(should-not (tramp-tramp-file-p "/[]:"))
(should-not (tramp-tramp-file-p "/[::1]:"))
(should-not (tramp-tramp-file-p "/[::ffff:192.168.0.1]:"))
(should-not (tramp-tramp-file-p "/[::ffff:1.2.3.4]:"))
(should-not (tramp-tramp-file-p "/host:/:"))
(should-not (tramp-tramp-file-p "/host1|host2:"))
(should-not (tramp-tramp-file-p "/user1@host1|user2@host2:"))
......@@ -318,8 +318,8 @@ properly. BODY shall not contain a timeout."
(should (tramp-tramp-file-p "/user@[::1]:"))
;; Using an IPv4 mapped IPv6 address.
(should (tramp-tramp-file-p "/[::ffff:192.168.0.1]:"))
(should (tramp-tramp-file-p "/user@[::ffff:192.168.0.1]:"))
(should (tramp-tramp-file-p "/[::ffff:1.2.3.4]:"))
(should (tramp-tramp-file-p "/user@[::ffff:1.2.3.4]:"))
;; Local file name part.
(should (tramp-tramp-file-p "/host::"))
......@@ -372,8 +372,8 @@ properly. BODY shall not contain a timeout."
(should (tramp-tramp-file-p "/[method/user@::1]"))
;; Using an IPv4 mapped IPv6 address.
(should (tramp-tramp-file-p "/[method/::ffff:192.168.0.1]"))
(should (tramp-tramp-file-p "/[method/user@::ffff:192.168.0.1]"))
(should (tramp-tramp-file-p "/[method/::ffff:1.2.3.4]"))
(should (tramp-tramp-file-p "/[method/user@::ffff:1.2.3.4]"))
;; Local file name part.
(should (tramp-tramp-file-p "/[method/]"))
......@@ -1988,6 +1988,18 @@ properly. BODY shall not contain a timeout."
(should
(string-equal
(expand-file-name "/method:host:/path/../file") "/method:host:/file"))
(should
(string-equal
(expand-file-name "/method:host:/path/.") "/method:host:/path"))
(should
(string-equal
(expand-file-name "/method:host:/path/..") "/method:host:/"))
(should
(string-equal
(expand-file-name "." "/method:host:/path/") "/method:host:/path"))
(should
(string-equal
(expand-file-name "" "/method:host:/path/") "/method:host:/path"))
;; Quoting local part.
(should
(string-equal
......
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