Add the exec built-in
* geesh/built-ins/exec.scm: New file. * Makefile.am: Add it. * geesh/built-ins.scm (*special-built-ins*): Add exec.
This commit is contained in:
parent
bacbb43650
commit
2543ecd2bb
|
@ -48,6 +48,7 @@ MODULES = \
|
||||||
geesh/built-ins/dot.scm \
|
geesh/built-ins/dot.scm \
|
||||||
geesh/built-ins/echo.scm \
|
geesh/built-ins/echo.scm \
|
||||||
geesh/built-ins/eval.scm \
|
geesh/built-ins/eval.scm \
|
||||||
|
geesh/built-ins/exec.scm \
|
||||||
geesh/built-ins/export.scm \
|
geesh/built-ins/export.scm \
|
||||||
geesh/built-ins/false.scm \
|
geesh/built-ins/false.scm \
|
||||||
geesh/built-ins/pwd.scm \
|
geesh/built-ins/pwd.scm \
|
||||||
|
|
|
@ -37,7 +37,7 @@
|
||||||
("break" . ,(@@ (geesh built-ins break) main))
|
("break" . ,(@@ (geesh built-ins break) main))
|
||||||
("continue" . ,(@@ (geesh built-ins continue) main))
|
("continue" . ,(@@ (geesh built-ins continue) main))
|
||||||
("eval" . ,(@@ (geesh built-ins eval) main))
|
("eval" . ,(@@ (geesh built-ins eval) main))
|
||||||
("exec" . ,undefined)
|
("exec" . ,(@@ (geesh built-ins exec) main))
|
||||||
("exit" . ,undefined)
|
("exit" . ,undefined)
|
||||||
("export" . ,(@@ (geesh built-ins export) main))
|
("export" . ,(@@ (geesh built-ins export) main))
|
||||||
("readonly" . ,(@@ (geesh built-ins readonly) main))
|
("readonly" . ,(@@ (geesh built-ins readonly) main))
|
||||||
|
|
|
@ -0,0 +1,49 @@
|
||||||
|
;;; The Geesh Shell Interpreter
|
||||||
|
;;; Copyright 2018 Timothy Sample <samplet@ngyro.com>
|
||||||
|
;;;
|
||||||
|
;;; This file is part of Geesh.
|
||||||
|
;;;
|
||||||
|
;;; Geesh is free software: you can redistribute it and/or modify
|
||||||
|
;;; it under the terms of the GNU General Public License as published by
|
||||||
|
;;; the Free Software Foundation, either version 3 of the License, or
|
||||||
|
;;; (at your option) any later version.
|
||||||
|
;;;
|
||||||
|
;;; Geesh is distributed in the hope that it will be useful,
|
||||||
|
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
;;; GNU General Public License for more details.
|
||||||
|
;;;
|
||||||
|
;;; You should have received a copy of the GNU General Public License
|
||||||
|
;;; along with Geesh. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
(define-module (geesh built-ins exec)
|
||||||
|
#:use-module (geesh environment)
|
||||||
|
#:use-module (ice-9 match)
|
||||||
|
#:use-module (srfi srfi-1))
|
||||||
|
|
||||||
|
;;; Commentary:
|
||||||
|
;;;
|
||||||
|
;;; The 'exec' utility.
|
||||||
|
;;;
|
||||||
|
;;; Code:
|
||||||
|
|
||||||
|
(define (main . args)
|
||||||
|
(match args
|
||||||
|
((name . args)
|
||||||
|
(flush-all-ports)
|
||||||
|
(with-environ (get-environ)
|
||||||
|
(lambda ()
|
||||||
|
(catch 'system-error
|
||||||
|
(lambda ()
|
||||||
|
(apply execlp name name args)
|
||||||
|
EXIT_SUCCESS)
|
||||||
|
(lambda args
|
||||||
|
(format (current-error-port)
|
||||||
|
"~a: exec: ~a: ~a.~%"
|
||||||
|
(car (program-arguments)) name
|
||||||
|
(strerror (system-error-errno args)))
|
||||||
|
EXIT_FAILURE)))))
|
||||||
|
(_ (format (current-error-port)
|
||||||
|
"~a: exec: Invalid options ~s.~%"
|
||||||
|
(car (program-arguments)) args)
|
||||||
|
EXIT_FAILURE)))
|
Loading…
Reference in New Issue