From: matz@... (Yukihiro Matsumoto)
Date: 2001-07-25T15:51:05+09:00
Subject: [ruby-talk:18512] Re: File.expand_path is buggy? (PR#158)

Hi,

In message "File.expand_path is buggy? (PR#158)"
    on 01/07/24, larsch@cs.auc.dk <larsch@cs.auc.dk> writes:

|File.expand_path has some weird behaviour on my system (1.6.4 and 1.7.1):
|
|File.expand_path "/foo/bar."     # => "/foo/bar"
|File.expand_path "/foo/bar.."    # => "/foo"
|File.expand_path "/foo./bar"     # => "/foo/bar"
|File.expand_path "/foo../bar"    # => "/bar"
|
|Am I missing something? These are all valid absolute paths.

No.  It's a bug.

--- file.c	2001/07/24 09:02:49	1.41.2.17
+++ file.c	2001/07/25 06:50:05
@@ -1310,2 +1310,7 @@
     for ( ; *s; s++) {
+	while (*s && !isdirsep(*s)) {
+	    *++p = *s++;
+	    if (p >= bend) goto toolong;
+	}
+	if (!*s) break;
 	switch (*s) {