1 files changed, 104 insertions, 0 deletions
diff --git a/login/programs/error.c b/login/programs/error.c
new file mode 100644
index 0000000000..e6511442e3
--- /dev/null
+++ b/login/programs/error.c
@@ -0,0 +1,104 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
+
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+
+#include "utmpd-private.h"
+
+
+/* This variable indicates if we have forked.  If set, we log messages
+   via the system logger.  Otherwise we simply print the program name
+   and the message to standard error.  */
+int forked = 0;
+
+
+/* Log error message MESSAGE, which is a printf-style format string
+   with optional args.
+   If ERRNUM is nonzero, also log its corresponding system error message.
+   Exit with status STATUS if it is nonzero.  */
+void
+error (int status, int errnum, const char *message, ...)
+{
+  va_list ap;
+  char *buffer = NULL;
+
+  va_start (ap, message);
+  vasprintf (&buffer, message, ap);
+  va_end (ap);
+
+  if (forked)
+    {
+      if (errnum == 0)
+	syslog (LOG_ERR, "%s", buffer);
+      else
+	syslog (LOG_ERR, "%s: %s", buffer, strerror (errnum));
+    }
+  else
+    {
+      if (errnum == 0)
+	fprintf (stderr, "%s: %s\n", program_invocation_name, buffer);
+      else
+	fprintf (stderr, "%s: %s: %s\n", program_invocation_name, buffer,
+		 strerror (errnum));
+    }
+
+  if (buffer)
+    free (buffer);
+
+  if (status)
+    exit (status);
+}
+
+/* Log warning message MESSAGE, which is a printf-style format string
+   with optional args.
+   If ERRNUM is nonzero, also log its corresponding system error message. */
+void
+warning (int errnum, const char *message, ...)
+{
+  va_list ap;
+  char *buffer = NULL;
+
+  va_start (ap, message);
+  vasprintf (&buffer, message, ap);
+  va_end (ap);
+
+  if (forked)
+    {
+      if (errnum == 0)
+	syslog (LOG_WARNING, "%s", buffer);
+      else
+	syslog (LOG_WARNING, "%s: %s", buffer, strerror (errnum));
+    }
+  else
+    {
+      if (errnum == 0)
+	printf ("%s: %s\n", program_invocation_name, buffer);
+      else
+	printf ("%s: %s: %s\n", program_invocation_name, buffer,
+		strerror (errnum));
+    }
+
+  if (buffer)
+    free (buffer);
+}