X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fcondition.lisp;h=a44131081a6d1e6712f67f4dd4bcd5827626b041;hb=f5146484af254ef6812f0417deed9ccd5c2eda27;hp=01421bbb164ad656d010b97646bd2f9216f481db;hpb=38f18f2eb2a1d66d2c138a2f5e10e6be93aacb1b;p=sbcl.git

diff --git a/src/code/condition.lisp b/src/code/condition.lisp
index 01421bb..a441310 100644
--- a/src/code/condition.lisp
+++ b/src/code/condition.lisp
@@ -682,6 +682,17 @@
        (let (lineno colno)
 	 (when (and pos
 		    (< pos sb!xc:array-dimension-limit)
+		    ;; KLUDGE: lseek() (which is what FILE-POSITION
+		    ;; reduces to on file-streams) is undefined on
+		    ;; "some devices", which in practice means that it
+		    ;; can claim to succeed on /dev/stdin on Darwin
+		    ;; and Solaris.  This is obviously bad news,
+		    ;; because the READ-SEQUENCE below will then
+		    ;; block, not complete, and the report will never
+		    ;; be printed.  As a workaround, we exclude
+		    ;; interactive streams from this attempt to report
+		    ;; positions.  -- CSR, 2003-08-21
+		    (not (interactive-stream-p error-stream))
 		    (file-position error-stream :start))
 	   (let ((string
 		  (make-string pos
@@ -689,7 +700,7 @@
 	     (when (= pos (read-sequence string error-stream))
 	       (setq lineno (1+ (count #\Newline string))
 		     colno (- pos
-			      (or (position #\Newline string :from-end t) 0)
+			      (or (position #\Newline string :from-end t) -1)
 			      1))))
 	   (file-position error-stream pos))
 	 (format stream