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-rw-r--r--lib/xfreopen.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/xfreopen.c b/lib/xfreopen.c
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index 0000000..c02843a
--- /dev/null
+++ b/lib/xfreopen.c
@@ -0,0 +1,42 @@
+/* a wrapper for freopen
+ Copyright (C) 2008-2016 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>
+#include "xfreopen.h"
+
+#include <errno.h>
+#include "error.h"
+#include "exitfail.h"
+#include "quote.h"
+#include "stdio--.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+void
+xfreopen (char const *filename, char const *mode, FILE *fp)
+{
+ if (!freopen (filename, mode, fp))
+ {
+ char const *f = (filename ? filename
+ : (fp == stdin ? _("stdin")
+ : (fp == stdout ? _("stdout")
+ : (fp == stderr ? _("stderr")
+ : _("unknown stream")))));
+ error (exit_failure, errno, _("failed to reopen %s with mode %s"),
+ quote_n (0, f), quote_n (1, mode));
+ }
+}