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- Log ----------------------------------------------------------------- commit 17c9b814e38d6416ab3046effa39e3cba050218d Author: Raymond Toy toy.raymond@gmail.com Date: Thu Nov 3 21:52:46 2011 -0700
Update from change log.
diff --git a/general-info/release-20d.txt b/general-info/release-20d.txt index 460cc3c..0c926f7 100644 --- a/general-info/release-20d.txt +++ b/general-info/release-20d.txt @@ -23,7 +23,13 @@ New in this release: * Feature enhancements
* Changes - + * ASDF2 updated to version 2.018. + * Behavior of STRING-TO-OCTETS has changed. This is an + incompatible change from the previous version but should be more + useful when a buffer is given which is not large enough to hold + all the octets for the given string. See docstring for more + details. + * ANSI compliance fixes:
* Bugfixes:
commit 8d915bdb5a9fa8a3fe52846ad54affb2b7c264ac Author: Raymond Toy toy.raymond@gmail.com Date: Thu Nov 3 21:39:36 2011 -0700
STRING-TO-OCTETS returns the buffer, the number of octets written and the number of characters converted when a buffer is given. If the buffer is not large enough, not all characters are converted. This is an incompatible change from the previous version.
Suggested by Helmut Eller, cmucl-imp, 2011-10-29.
diff --git a/code/extfmts.lisp b/code/extfmts.lisp index 5936ca7..43adbcc 100644 --- a/code/extfmts.lisp +++ b/code/extfmts.lisp @@ -851,39 +851,66 @@ character and illegal outputs are replaced by a question mark.") (funcall f state))))
(def-ef-macro ef-string-to-octets (extfmt lisp::lisp +ef-max+ +ef-so+) - `(lambda (string start end buffer error &aux (ptr 0) (state nil)) + `(lambda (string start end buffer buffer-start buffer-end error bufferp + &aux (ptr buffer-start) (state nil) (last-octet buffer-start)) (declare #|(optimize (speed 3) (safety 0) (space 0) (debug 0))|# (type simple-string string) (type kernel:index start end ptr) (type (simple-array (unsigned-byte 8) (*)) buffer) (ignorable state)) - (dotimes (i (- end start) (values buffer ptr)) - (declare (type kernel:index i)) - (char-to-octets ,extfmt (schar string (+ start i)) state - (lambda (b) - (when (= ptr (length buffer)) - (setq buffer (adjust-array buffer (* 2 ptr)))) - (setf (aref buffer (1- (incf ptr))) b)) - error)))) + (if bufferp + (block ef-string-done + (dotimes (i (- end start) (values buffer ptr i)) + (declare (type kernel:index i)) + (char-to-octets ,extfmt (schar string (+ start i)) state + (lambda (b) + (when (= ptr buffer-end) + (return-from ef-string-done + (values buffer last-octet i))) + (setf (aref buffer (1- (incf ptr))) b)) + error) + (setf last-octet ptr))) + (dotimes (i (- end start) (values buffer ptr i)) + (declare (type kernel:index i)) + (char-to-octets ,extfmt (schar string (+ start i)) state + (lambda (b) + (when (= ptr (length buffer)) + (setq buffer (adjust-array buffer (* 2 ptr)))) + (setf (aref buffer (1- (incf ptr))) b)) + error)))))
(defun string-to-octets (string &key (start 0) end (external-format :default) (buffer nil bufferp) + (buffer-start 0) error) "Convert String to octets using the specified External-format. The string is bounded by Start (defaulting to 0) and End (defaulting to the end of the string. If Buffer is given, the octets are stored - there. If not, a new buffer is created." + there. If not, a new buffer is created. Buffer-start specifies + where in the buffer the first octet will be placed. + + Three values are returned: The buffer, the number of valid octets + written, and the number of characters converted. Note that the + actual number of octets written may be greater than the returned + value, These represent the partial octets of the next character to + be converted, but there was not enough room to hold the complete set + of octets." (declare (type string string) (type kernel:index start) (type (or kernel:index null) end) - (type (or (simple-array (unsigned-byte 8) (*)) null) buffer)) + (type (or (array (unsigned-byte 8) (*)) null) buffer)) (let* ((buffer (or buffer (make-array (length string) :element-type '(unsigned-byte 8))))) - (multiple-value-bind (buffer ptr) - (lisp::with-array-data ((string string) (start start) (end end)) - (funcall (ef-string-to-octets external-format) - string start end buffer error)) - (values (if bufferp buffer (lisp::shrink-vector buffer ptr)) ptr)))) + (lisp::with-array-data ((b buffer) (b-start) + (b-end)) + (multiple-value-bind (result ptr octets) + (lisp::with-array-data ((string string) (start start) (end end)) + (funcall (ef-string-to-octets external-format) + string start end b + (+ b-start buffer-start) b-end + error bufferp)) + (values (if bufferp buffer (lisp::shrink-vector result ptr)) + (- ptr b-start buffer-start) octets)))))
(def-ef-macro ef-octets-to-string (extfmt lisp::lisp +ef-max+ +ef-os+) `(lambda (octets ptr end state string s-start s-end error
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Summary of changes: code/extfmts.lisp | 59 ++++++++++++++++++++++++++++++----------- general-info/release-20d.txt | 8 +++++- 2 files changed, 50 insertions(+), 17 deletions(-)
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