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close-port implementation in sports

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* module/ice-9/sports.scm (close-port): New function.
  (port-bindings): Add close-port.
This commit is contained in:
Andy Wingo 2016-05-24 07:14:26 +02:00
parent 690b856d59
commit 25381bdbc0
1 changed files with 12 additions and 2 deletions
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14
module/ice-9/sports.scm
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@ -54,7 +54,8 @@
#:use-module (ice-9 match)
#:replace (peek-char
read-char
force-output)
force-output
close-port)
#:export (lookahead-u8
get-u8
get-bytevector-n
@ -92,6 +93,15 @@
(error "not an open output port" port))
(flush-output port))
(define close-port
(let ((%close-port (@ (guile) close-port)))
(lambda (port)
(cond
((port-closed? port) #f)
(else
(when (output-port? port) (flush-output port))
(%close-port port))))))
(define (default-read-waiter port) (port-poll port "r"))
(define (default-write-waiter port) (port-poll port "w"))
@ -579,7 +589,7 @@
(define saved-port-bindings #f)
(define port-bindings
'(((guile) read-char peek-char force-output)
'(((guile) read-char peek-char force-output close-port)
((ice-9 binary-ports) get-u8 lookahead-u8 get-bytevector-n)
((ice-9 rdelim) %read-line read-line read-delimited)))
(define (install-sports!)