1 files changed, 87 insertions, 0 deletions
diff --git a/misc/err.c b/misc/err.c
new file mode 100644
index 0000000000..82719a8756
--- /dev/null
+++ b/misc/err.c
@@ -0,0 +1,87 @@
+/* err.c --- 4.4BSD utility functions for error messages.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <stdarg.h>
+#include <err.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+extern char *__progname;
+
+#define VA(call)							      \
+{									      \
+  va_list ap;								      \
+  va_start (ap, format);						      \
+  call;									      \
+  va_end (ap);								      \
+}
+
+void
+vwarn (const char *format, __gnuc_va_list ap)
+{
+  fprintf (stderr, format, ap);
+}
+
+void
+vwarnx (const char *format, __gnuc_va_list ap)
+{
+  if (__progname)
+    fprintf (stderr, "%s: ", __progname);
+  fprintf (stderr, format, ap);
+  putc ('\n', stderr);
+}
+
+
+void
+warn (const char *format, ...)
+{
+  VA (vwarn (format, ap))
+}
+
+void
+warnx (const char *format, ...)
+{
+  VA (vwarnx (format, ap))
+}
+
+void
+verr (int status, const char *format, __gnuc_va_list ap)
+{
+  vwarn (format, ap);
+  exit (status);
+}
+
+void
+verrx (int status, const char *format, __gnuc_va_list ap)
+{
+  vwarnx (format, ap);
+  exit (status);
+}
+
+void
+err (int status, const char *format, ...)
+{
+  VA (verr (status, format, ap))
+}
+
+void
+errx (int status, const char *format, ...)
+{
+  VA (verrx (status, format, ap))
+}