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-rw-r--r--login/utmpd/error.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/login/utmpd/error.c b/login/utmpd/error.c
new file mode 100644
index 0000000000..e6511442e3
--- /dev/null
+++ b/login/utmpd/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);
+}