(define-alien-routine ("getenv" posix-getenv) c-string
"Return the \"value\" part of the environment string \"name=value\" which
corresponds to NAME, or NIL if there is none."
- (name c-string))
+ (name (c-string :not-null t)))
\f
;;; from stdio.h
#!-win32
(defun unix-rename (name1 name2)
(declare (type unix-pathname name1 name2))
- (void-syscall ("rename" c-string c-string) name1 name2))
+ (void-syscall ("rename" (c-string :not-null t)
+ (c-string :not-null t))
+ name1 name2))
\f
;;; from sys/types.h and gnu/types.h
(declare (type unix-pathname path)
(type fixnum flags)
(type unix-file-mode mode))
- (int-syscall ("open" c-string int int)
- path
- (logior #!+win32 o_binary
- #!+largefile o_largefile
- flags)
- mode))
+ (with-restarted-syscall (value errno)
+ (int-syscall ("open" c-string int int)
+ path
+ (logior #!+win32 o_binary
+ #!+largefile o_largefile
+ flags)
+ mode)))
;;; UNIX-CLOSE accepts a file descriptor and attempts to close the file
;;; associated with it.
;;; Return the namestring of the home directory, being careful to
;;; include a trailing #\/
#!-win32
-(defun uid-homedir (uid)
- (or (newcharstar-string (alien-funcall (extern-alien "uid_homedir"
- (function (* char) int))
- uid))
- (error "failed to resolve home directory for Unix uid=~S" uid)))
+(progn
+ (defun uid-homedir (uid)
+ (or (newcharstar-string (alien-funcall (extern-alien "uid_homedir"
+ (function (* char) int))
+ uid))
+ (error "failed to resolve home directory for Unix uid=~S" uid)))
+
+ (defun user-homedir (uid)
+ (or (newcharstar-string (alien-funcall (extern-alien "user_homedir"
+ (function (* char) c-string))
+ uid))
+ (error "failed to resolve home directory for Unix uid=~S" uid))))
;;; Invoke readlink(2) on the file name specified by PATH. Return
;;; (VALUES LINKSTRING NIL) on success, or (VALUES NIL ERRNO) on
(syscall ("fstat_wrapper" int (* (struct wrapped_stat)))
(%extract-stat-results (addr buf))
fd (addr buf))))
+
+#!-win32
+(defun fd-type (fd)
+ (declare (type unix-fd fd))
+ (let ((fmt (logand
+ sb!unix:s-ifmt
+ (or (with-alien ((buf (struct wrapped_stat)))
+ (syscall ("fstat_wrapper" int (* (struct wrapped_stat)))
+ (slot buf 'st-mode)
+ fd (addr buf)))
+ 0))))
+ (cond ((logtest sb!unix:s-ififo fmt)
+ :fifo)
+ ((logtest sb!unix:s-ifchr fmt)
+ :character)
+ ((logtest sb!unix:s-ifdir fmt)
+ :directory)
+ ((logtest sb!unix:s-ifblk fmt)
+ :block)
+ ((logtest sb!unix:s-ifreg fmt)
+ :regular)
+ ((logtest sb!unix:s-ifsock fmt)
+ :socket)
+ (t
+ :unknown))))
\f
;;;; time.h