- (endptr-value (uffi:deref-pointer endptr 'char-ptr))
- (next-char-value (uffi:deref-pointer endptr-value :char))
- (chars-parsed (- (uffi:pointer-address endptr-value)
- (uffi:pointer-address str-native))))
- (uffi:free-foreign-object str-native)
- (uffi:free-foreign-object endptr)
- (cond
- ((zerop chars-parsed)
- (values nil nil))
- ((uffi:null-char-p next-char-value)
- (values value t))
- (t
- (values value chars-parsed)))))
+ (endptr-value (uffi:deref-pointer endptr 'char-ptr)))
+
+ (unwind-protect
+ (if (uffi:null-pointer-p endptr-value)
+ (values value t)
+ (let ((next-char-value (uffi:deref-pointer endptr-value :unsigned-char))
+ (chars-parsed (- (uffi:pointer-address endptr-value)
+ (uffi:pointer-address str-native))))
+ (cond
+ ((zerop chars-parsed)
+ (values nil nil))
+ ((uffi:null-char-p next-char-value)
+ (values value t))
+ (t
+ (values value chars-parsed)))))
+ (progn
+ (uffi:free-foreign-object str-native)
+ (uffi:free-foreign-object endptr)))))
+
+
+
+#+examples-uffi
+(progn
+ (flet ((print-results (str)
+ (multiple-value-bind (result flag) (strtol str)
+ (format t "~&(strtol ~S) => ~S,~S" str result flag))))
+ (print-results "55")
+ (print-results "55.3")
+ (print-results "a")))
+
+#+test-uffi
+(progn
+ (flet ((test-strtol (str results)
+ (util.test:test (multiple-value-list (strtol str)) results
+ :test #'equal
+ :fail-info "Error testing strtol")))
+ (test-strtol "123" '(123 t))
+ (test-strtol "0" '(0 t))
+ (test-strtol "55a" '(55 2))
+ (test-strtol "a" '(nil nil))))
+
+