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Carl Shapiro
cmucl
Commits
ac1b0949
Commit
ac1b0949
authored
18 years ago
by
fgilham
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Hacked default-directory function to avoid calling concatenate. See
source comment associated with change.
parent
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code/filesys.lisp
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code/filesys.lisp
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View file @
ac1b0949
...
...
@@ -6,7 +6,7 @@
;;; Scott Fahlman or slisp-group@cs.cmu.edu.
;;;
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/filesys.lisp,v 1.10
1
2007/01/
16 17:28:22 rtoy
Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/filesys.lisp,v 1.10
2
2007/01/
20 02:01:48 fgilham
Exp $"
)
;;;
;;; **********************************************************************
;;;
...
...
@@ -1353,6 +1353,37 @@ optionally keeping some of the most recent old versions."
;;; Default-Directory -- Public
;;;
#||
(defun default-directory ()
"Returns the pathname for the default directory. This is the place where
a file will be written if no directory is specified. This may be changed
with setf."
(multiple-value-bind (gr dir-or-error)
(unix:unix-current-directory)
(if gr
(let ((*ignore-wildcards* t))
(values
(parse-namestring (concatenate 'simple-string dir-or-error "/")
*unix-host*)))
(error dir-or-error))))
||#
;;;
;;; XXXX This code was modified by me (fmg) to avoid calling
;;; concatenate. The reason for this is that there have been
;;; intermittent instabilities (segv on startup) when the function
;;; environment-init (in save.lisp) is called. Apparently the type
;;; system is not completely sorted out at the time this function is
;;; first called. As a result, strange, not completely reproducable
;;; things happen, related to something in the state of the
;;; environment (e.g. the paths or the user environment variables or
;;; something). These errors occur in the course of calling
;;; default-directory and the backtrace indicates they occur in the
;;; context of the type system. Since I haven't been able to figure
;;; out why they happen, I decided to punt.
;;;
;;; Hopefully someone will really fix the problem someday.
;;;
(
defun
default-directory
()
"Returns the pathname for the default directory. This is the place where
a file will be written if no directory is specified. This may be changed
...
...
@@ -1360,12 +1391,15 @@ optionally keeping some of the most recent old versions."
(
multiple-value-bind
(
gr
dir-or-error
)
(
unix:unix-current-directory
)
(
if
gr
(
let
((
*ignore-wildcards*
t
))
(
let
((
*ignore-wildcards*
t
)
(
string
(
make-string
(
1+
(
length
dir-or-error
))
:initial-element
#\/
)))
(
values
(
parse-namestring
(
concatenate
'simple-string
dir-or-error
"/"
)
*unix-host*
)))
(
parse-namestring
(
replace
string
dir-or-error
)
*unix-host*
)))
(
error
dir-or-error
))))
;;; %Set-Default-Directory -- Internal
;;;
(
defun
%set-default-directory
(
new-val
)
...
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