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authorRoland McGrath <roland@gnu.org>1996-04-25 18:13:38 +0000
committerRoland McGrath <roland@gnu.org>1996-04-25 18:13:38 +0000
commit7f77e07b004bacb367119c8aa7f260ffa0cb57d7 (patch)
tree3bdb4260f2d204299d4002d1fce75bb3e1897dbe /stdio
parent66aeca9cfbd8cf37f47f15fcbde937cf4f5382f8 (diff)
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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.
Diffstat (limited to 'stdio')
-rw-r--r--stdio/internals.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/stdio/internals.c b/stdio/internals.c
index acdf97783a..a1d1fa4989 100644
--- 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;
+		}
 	    }
 	}
     }