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Acknowledging that I may never be free of the \r evil...

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This commit is contained in:
Alex Shinn 2012-07-16 23:40:58 +09:00
parent 69646a0c94
commit 71afd5d56a
1 changed files with 18 additions and 8 deletions
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26
lib/chibi/io/io.scm
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@ -58,9 +58,15 @@
(and (not (equal? res "")) res)))
(else
(write-char ch out)
(if (eqv? ch #\newline)
(get-output-string out)
(lp))))))))))
(cond
((eqv? ch #\newline)
(get-output-string out))
((eqv? ch #\return)
(if (eqv? #\newline (peek-char in))
(read-char in))
(get-output-string out))
(else
(lp)))))))))))
(define (read-line . o)
(let ((in (if (pair? o) (car o) (current-input-port)))
@ -70,11 +76,15 @@
(if (not res)
eof
(let ((len (string-length res)))
(if (and (> len 0) (eqv? #\newline (string-ref res (- len 1))))
(if (and (> len 1) (eqv? #\return (string-ref res (- len 2))))
(substring res 0 (- len 2))
(substring res 0 (- len 1)))
res))))))
(cond
((and (> len 0) (eqv? #\newline (string-ref res (- len 1))))
(if (and (> len 1) (eqv? #\return (string-ref res (- len 2))))
(substring res 0 (- len 2))
(substring res 0 (- len 1))))
((and (> len 0) (eqv? #\return (string-ref res (- len 1))))
(substring res 0 (- len 1)))
(else
res)))))))
;;> @subsubsubsection{(read-string n [in])}