From 50633f8f4e8d629e65d96f83abd9f99ca2cad463 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Tue, 26 Apr 2016 20:55:49 +0000
Subject: gzip-1.8

---
 lib/ftell.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 lib/ftell.c

(limited to 'lib/ftell.c')

diff --git a/lib/ftell.c b/lib/ftell.c
new file mode 100644
index 0000000..75ed1b2
--- /dev/null
+++ b/lib/ftell.c
@@ -0,0 +1,37 @@
+/* An ftell() function that works around platform bugs.
+   Copyright (C) 2007-2016 Free Software Foundation, Inc.
+
+   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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <stdio.h>
+
+#include <errno.h>
+#include <limits.h>
+
+long
+ftell (FILE *fp)
+{
+  /* Use the replacement ftello function with all its workarounds.  */
+  off_t offset = ftello (fp);
+  if (LONG_MIN <= offset && offset <= LONG_MAX)
+    return /* (long) */ offset;
+  else
+    {
+      errno = EOVERFLOW;
+      return -1;
+    }
+}
-- 
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