Wed Apr 24 00:22:42 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

	* stdio/internals.c (seek_to_target): Set errno if seek function
	returns the wrong offset.

diff --git a/stdio/internals.c b/stdio/internals.c
index acdf977..a1d1fa4 100644 (file)
--- a/stdio/internals.c
+++ b/stdio/internals.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -169,8 +169,19 @@ DEFUN(seek_to_target, (fp), FILE *fp)
            {
              fp->__offset = pos;
              if (pos != fp->__target)
-               /* Seek didn't go to the right place!  */
-               fp->__error = 1;
+               {
+                 /* Seek didn't go to the right place!
+                    This should never happen.  */
+#ifdef EGRATUITOUS
+                 /* It happens in the Hurd when the io server doesn't
+                    obey the protocol for io_seek.  */
+                 errno = EGRATUITOUS;
+#else
+                 /* I don't think this can happen in Unix.  */
+                 errno = ESPIPE; /* ??? */
+#endif
+                 fp->__error = 1;
+               }
            }
        }
     }