* cache.c (cache_bread): Set bfd_error_file_truncated if EOF

[deliverable/binutils-gdb.git] / bfd / cache.c

diff --git a/bfd/cache.c b/bfd/cache.c
index 6db6a6b4d56dbd5ffc7fe385444f1c4a3682a372..064cebeb3cb3ec4362bb62b2cc96776f20b8cce7 100644 (file)
--- a/bfd/cache.c
+++ b/bfd/cache.c
@@ -1,25 +1,26 @@
 /* BFD library -- caching of file descriptors.
 
    Copyright 1990, 1991, 1992, 1993, 1994, 1996, 2000, 2001, 2002,
-   2003, 2004, 2005 Free Software Foundation, Inc.
+   2003, 2004, 2005, 2007 Free Software Foundation, Inc.
 
    Hacked by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
 
-This file is part of BFD, the Binary File Descriptor library.
+   This file is part of BFD, the Binary File Descriptor library.
 
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
 /*
 SECTION
@@ -40,8 +41,8 @@ SUBSECTION
        Caching functions
 */
 
-#include "bfd.h"
 #include "sysdep.h"
+#include "bfd.h"
 #include "libbfd.h"
 #include "libiberty.h"
 
@@ -308,6 +309,10 @@ cache_bread (struct bfd *abfd, void *buf, file_ptr nbytes)
       return -1;
     }
 #endif
+  if (nread < nbytes)
+    /* This may or may not be an error, but in case the calling code
+       bails out because of it, set the right error code.  */
+    bfd_set_error (bfd_error_file_truncated);
   return nread;
 }