X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-c-call.lisp;h=c978ac88e8da84b0ded01841abcb49e8a44ce0d6;hb=79f4c3de36b3c7d0d41497e2543d3ed6a135cb46;hp=4730dbdb3f34b8ad5eab052413addbc41eae9a08;hpb=338732358d49ab202fe55c3581294597d63aec6b;p=sbcl.git diff --git a/src/code/target-c-call.lisp b/src/code/target-c-call.lisp index 4730dbd..c978ac8 100644 --- a/src/code/target-c-call.lisp +++ b/src/code/target-c-call.lisp @@ -22,23 +22,48 @@ (define-alien-type char (integer 8)) (define-alien-type short (integer 16)) (define-alien-type int (integer 32)) +#!-(and win32 x86-64) (define-alien-type long (integer #.sb!vm::n-machine-word-bits)) +#!+(and win32 x86-64) +(define-alien-type long (integer 32)) + +(define-alien-type long-long (integer 64)) (define-alien-type unsigned-char (unsigned 8)) (define-alien-type unsigned-short (unsigned 16)) (define-alien-type unsigned-int (unsigned 32)) +#!-(and win32 x86-64) (define-alien-type unsigned-long (unsigned #.sb!vm::n-machine-word-bits)) +#!+(and win32 x86-64) +(define-alien-type unsigned-long (unsigned 32)) +(define-alien-type unsigned-long-long (unsigned 64)) (define-alien-type float single-float) (define-alien-type double double-float) +(define-alien-type utf8-string (c-string :external-format :utf8)) + (define-alien-type-translator void () (parse-alien-type '(values) (sb!kernel:make-null-lexenv))) + +(defun default-c-string-external-format () + #!+sb-xc + :latin-1 + #!-sb-xc + (or *default-c-string-external-format* + (setf *default-c-string-external-format* + (sb!impl::default-external-format)))) + ;;; FIXME: %NATURALIZE-C-STRING (and the UTF8 siblings below) would ;;; appear to be vulnerable to the lisp string moving from underneath ;;; them if the world undergoes a GC, possibly triggered by another ;;; thread. Ugh. +;;; +;;; Actually the above shouldn't happen; x86 and x86-64 use GENCGC, +;;; so the string can't move by virtue of pointers to it from +;;; outside the heap. Other platforms will access the lisp string +;;; through the GC-safe interior pointer. -- JES, 2006-01-13 (defun %naturalize-c-string (sap) (declare (type system-area-pointer sap)) (locally @@ -47,19 +72,19 @@ until (zerop (sap-ref-8 sap offset)) finally (return offset)))) (let ((result (make-string length :element-type 'base-char))) - (sb!kernel:copy-ub8-from-system-area sap 0 result 0 length) - result)))) + (sb!kernel:copy-ub8-from-system-area sap 0 result 0 length) + result)))) -(defun %naturalize-utf8-string (sap) - (declare (type system-area-pointer sap)) +(defun string-to-c-string (string external-format) + (declare (type simple-string string)) (locally - (declare (optimize (speed 3) (safety 0))) - (let ((byte-length (do* ((offset 0 (1+ offset)) - (byte #1=(sap-ref-8 sap offset) #1#)) - ((zerop byte) offset)))) - (handler-bind ((sb!impl::octet-decoding-error #'sb!impl::use-unicode-replacement-char)) - (sb!impl::utf8->string-sap-ref-8 sap 0 byte-length))))) + (declare (optimize (speed 3) (safety 0))) + (let ((external-format (sb!impl::get-external-format-or-lose external-format))) + (funcall (sb!impl::ef-write-c-string-fun external-format) string)))) -(defun %deport-utf8-string (string) - (declare (type simple-string string)) - (sb!impl::string->utf8 string 0 (length string) 1)) +(defun c-string-to-string (sap external-format element-type) + (declare (type system-area-pointer sap)) + (locally + (declare (optimize (speed 3) (safety 0))) + (let ((external-format (sb!impl::get-external-format-or-lose external-format))) + (funcall (sb!impl::ef-read-c-string-fun external-format) sap element-type))))