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authorMarc Espie <espie@cvs.openbsd.org>1999-05-26 13:38:57 +0000
committerMarc Espie <espie@cvs.openbsd.org>1999-05-26 13:38:57 +0000
commit0126e157b87f137fc08dc7f46f6c291b9d06ac5d (patch)
treef8555e3e504eb82b4cd3cba5cec20ae4ce8124ff /gnu/egcs/libio/iofgetpos.c
parentff8e9a4356e55ed142306c3a375fa280800abc86 (diff)
egcs projects compiler system
Exact copy of the snapshot, except for the removal of texinfo/ gcc/ch/ libchill/
Diffstat (limited to 'gnu/egcs/libio/iofgetpos.c')
-rw-r--r--gnu/egcs/libio/iofgetpos.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/gnu/egcs/libio/iofgetpos.c b/gnu/egcs/libio/iofgetpos.c
new file mode 100644
index 00000000000..716be4bca10
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+++ b/gnu/egcs/libio/iofgetpos.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU IO Library.
+
+ This library 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, or (at
+ your option) any later version.
+
+ This library 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 library; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, if you link this library with files
+ compiled with a GNU compiler to produce an executable, this does
+ not cause the resulting executable to be covered by the GNU General
+ Public License. This exception does not however invalidate any
+ other reasons why the executable file might be covered by the GNU
+ General Public License. */
+
+#include "libioP.h"
+#include <errno.h>
+/* ANSI explicitly requires setting errno to a positive value on failure. */
+
+int
+_IO_fgetpos (fp, posp)
+ _IO_FILE* fp;
+ _IO_fpos_t *posp;
+{
+ _IO_fpos_t pos;
+ CHECK_FILE (fp, EOF);
+ _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
+ _IO_flockfile (fp);
+ pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
+ _IO_cleanup_region_end (1);
+ if (pos == _IO_pos_BAD)
+ {
+#ifdef EIO
+ if (errno == 0)
+ __set_errno (EIO);
+#endif
+ return EOF;
+ }
+ *posp = pos;
+ return 0;
+}
+
+#ifdef weak_alias
+weak_alias (_IO_fgetpos, fgetpos)
+#endif