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Add force-output to sports

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* module/ice-9/sports.scm (force-output): New implementation.
  (port-bindings): Add force-output.
This commit is contained in:
Andy Wingo 2016-05-24 07:06:45 +02:00
parent 6bf7ec0c9c
commit 690b856d59
1 changed files with 8 additions and 2 deletions
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10
module/ice-9/sports.scm
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@ -53,7 +53,8 @@
#:use-module (ice-9 ports internal)
#:use-module (ice-9 match)
#:replace (peek-char
read-char)
read-char
force-output)
#:export (lookahead-u8
get-u8
get-bytevector-n
@ -86,6 +87,11 @@
(set-port-buffer-end! buf 0)
(write-bytes port (port-buffer-bytevector buf) cur (- end cur)))))
(define* (force-output #:optional (port (current-output-port)))
(unless (and (output-port? port) (not (port-closed? port)))
(error "not an open output port" port))
(flush-output port))
(define (default-read-waiter port) (port-poll port "r"))
(define (default-write-waiter port) (port-poll port "w"))
@ -573,7 +579,7 @@
(define saved-port-bindings #f)
(define port-bindings
'(((guile) read-char peek-char)
'(((guile) read-char peek-char force-output)
((ice-9 binary-ports) get-u8 lookahead-u8 get-bytevector-n)
((ice-9 rdelim) %read-line read-line read-delimited)))
(define (install-sports!)