Imported Upstream version 1.21

[debian/tar] / lib / fclose.c

diff --git a/lib/fclose.c b/lib/fclose.c
new file mode 100644 (file)
index 0000000..a0074b7
--- /dev/null
+++ b/lib/fclose.c
@@ -0,0 +1,47 @@
+/* fclose replacement.
+   Copyright (C) 2008 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 <unistd.h>
+
+/* Override fclose() to call the overridden close().  */
+
+int
+rpl_fclose (FILE *fp)
+#undef fclose
+{
+  int saved_errno = 0;
+
+  if (fflush (fp))
+    saved_errno = errno;
+
+  if (close (fileno (fp)) < 0 && saved_errno == 0)
+    saved_errno = errno;
+
+  fclose (fp); /* will fail with errno = EBADF */
+
+  if (saved_errno != 0)
+    {
+      errno = saved_errno;
+      return EOF;
+    }
+  return 0;
+}