Guile-hoot/lib/ice-9/ports/internal.scm

;;; Guile port internals
;;; Copyright (C) 2024 David Thompson <dave@spritely.institute>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;;    http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.

;;; Commentary:
;;;
;;; Guile port internals module.
;;;
;;; Code:

(define-module (ice-9 ports internal)
  #:use-module (hoot ports)
  #:re-export (port-conversion-strategy
               port-encoding
               port-read-buffering
               set-port-encoding!
               set-port-conversion-strategy!)
  #:export (put-char
            put-string))

(define (put-char port char)
  (write-char char port))

(define* (put-string port str #:optional (start 0) (count (- (string-length str) start)))
  (write-string (substring str start (+ start count))))