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Add get-string-n' and get-string-n!' for R6RS ports

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* libguile/r6rs-ports.c (scm_get_string_n_x): Implement `get-string-n!'
  in C for efficiency.
* libguile/r6rs-ports.h: Add prototype for this function.
* module/ice-9/binary-ports.scm: Export `get-string-n!'.

* module/rnrs/io/ports.scm (get-string-n): Implement based on
  `get-string-n!'.
  Export both `get-string-n!' and `get-string-n'.
* module/rnrs.scm: Also export these.

* test-suite/tests/r6rs-ports.test (8.2.9 Textual input): Add a few
  tests for `get-string-n' and `get-string-n!'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Andreas Rottmann 2011-03-13 22:39:14 +01:00 • committed by Ludovic Courtès
parent ca33b501a9
commit a6c377f7d8
6 changed files with 78 additions and 5 deletions
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3
module/rnrs.scm
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@ -182,7 +182,8 @@
make-custom-textual-output-port
call-with-string-output-port
flush-output-port put-string
get-char get-datum get-line get-string-all lookahead-char
get-char get-datum get-line get-string-all get-string-n get-string-n!
lookahead-char
put-char put-datum put-string
standard-input-port standard-output-port standard-error-port