+;;; bug 133, fixed in 0.7.0.5: Somewhere in 0.pre7.*, C void returns
+;;; were broken ("unable to use values types here") when
+;;; auto-PROCLAIM-of-return-value was added to DEFINE-ALIEN-ROUTINE.
+(sb-alien:define-alien-routine ("free" free) void (ptr (* t) :in))
+
+;;; Types of alien functions were being incorrectly DECLAIMED when
+;;; docstrings were included in the definition until sbcl-0.7.6.15.
+(sb-alien:define-alien-routine ("getenv" ftype-correctness) c-string
+ "docstring"
+ (name c-string))
+
+(multiple-value-bind (function warningsp failurep)
+ (compile nil '(lambda () (ftype-correctness)))
+ (assert warningsp))
+
+(multiple-value-bind (function warningsp failurep)
+ (compile nil '(lambda () (ftype-correctness "FOO")))
+ (assert (not warningsp)))
+
+(multiple-value-bind (function warningsp failurep)
+ (compile nil '(lambda () (ftype-correctness "FOO" "BAR")))
+ (assert warningsp))
+
+;;; This used to break due to too eager auxiliary type twiddling in
+;;; parse-alien-record-type.
+(defparameter *maybe* nil)
+(defun with-alien-test-for-struct-plus-funcall ()
+ (with-alien ((x (struct bar (x unsigned) (y unsigned)))
+ ;; bogus definition, but we just need the symbol
+ (f (function int (* (struct bar))) :extern "printf"))
+ (when *maybe*
+ (alien-funcall f (addr x)))))
+
+;;; Mutually referent structures
+(define-alien-type struct.1 (struct struct.1 (x (* (struct struct.2))) (y int)))
+(define-alien-type struct.2 (struct struct.2 (x (* (struct struct.1))) (y int)))
+(let ((s1 (make-alien struct.1))
+ (s2 (make-alien struct.2)))
+ (setf (slot s1 'x) s2
+ (slot s2 'x) s1
+ (slot (slot s1 'x) 'y) 1
+ (slot (slot s2 'x) 'y) 2)
+ (assert (= 1 (slot (slot s1 'x) 'y)))
+ (assert (= 2 (slot (slot s2 'x) 'y))))
+
+;;; "Alien bug" on sbcl-devel 2004-10-11 by Thomas F. Burdick caused
+;;; by recursive struct definition.
+(let ((fname "alien-bug-2004-10-11.tmp.lisp"))
+ (unwind-protect
+ (progn
+ (with-open-file (f fname :direction :output)
+ (mapc (lambda (form) (print form f))
+ '((defpackage :alien-bug
+ (:use :cl :sb-alien))
+ (in-package :alien-bug)
+ (define-alien-type objc-class
+ (struct objc-class
+ (protocols
+ (* (struct protocol-list
+ (list (array (* (struct objc-class))))))))))))
+ (load fname)
+ (load fname)
+ (load (compile-file fname))
+ (load (compile-file fname)))
+ (delete-file (compile-file-pathname fname))
+ (delete-file fname)))
+
+;;; enumerations with only one enum resulted in division-by-zero
+;;; reported on sbcl-help 2004-11-16 by John Morrison
+(define-alien-type enum.1 (enum nil (:val0 0)))
+
+(define-alien-type enum.2 (enum nil (zero 0) (one 1) (two 2) (three 3)
+ (four 4) (five 5) (six 6) (seven 7)
+ (eight 8) (nine 9)))
+(with-alien ((integer-array (array int 3)))
+ (let ((enum-array (cast integer-array (array enum.2 3))))
+ (setf (deref enum-array 0) 'three
+ (deref enum-array 1) 'four)
+ (setf (deref integer-array 2) (+ (deref integer-array 0)
+ (deref integer-array 1)))
+ (assert (eql (deref enum-array 2) 'seven))))
+;; The code that is used for mapping from integers to symbols depends on the
+;; `density' of the set of used integers, so test with a sparse set as well.
+(define-alien-type enum.3 (enum nil (zero 0) (one 1) (k-one 1001) (k-two 1002)))
+(with-alien ((integer-array (array int 3)))
+ (let ((enum-array (cast integer-array (array enum.3 3))))
+ (setf (deref enum-array 0) 'one
+ (deref enum-array 1) 'k-one)
+ (setf (deref integer-array 2) (+ (deref integer-array 0)
+ (deref integer-array 1)))
+ (assert (eql (deref enum-array 2) 'k-two))))
+
+;;; As reported by Baughn on #lisp, ALIEN-FUNCALL loops forever when
+;;; compiled with (DEBUG 3).
+(sb-kernel::values-specifier-type-cache-clear)
+(proclaim '(optimize (debug 3)))
+(let ((f (compile nil '(lambda (v)
+ (sb-alien:alien-funcall (sb-alien:extern-alien "getenv"
+ (function (c-string) c-string))
+ v)))))
+ (assert (typep (funcall f "HOME") '(or string null))))
+