1 files changed, 110 insertions, 0 deletions
diff --git a/usr.bin/at/panic.c b/usr.bin/at/panic.c
new file mode 100644
index 0000000..b0b09ca
--- /dev/null
+++ b/usr.bin/at/panic.c
@@ -0,0 +1,110 @@
+/*	$NetBSD: panic.c,v 1.14 2016/03/13 00:32:09 dholland Exp $	*/
+
+/*
+ * panic.c - terminate fast in case of error
+ * Copyright (c) 1993 by Thomas Koenig
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author(s) may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* System Headers */
+
+#include <err.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Local headers */
+
+#include "panic.h"
+#include "at.h"
+#include "privs.h"
+
+/* File scope variables */
+
+#ifndef lint
+#if 0
+static char rcsid[] = "$OpenBSD: panic.c,v 1.4 1997/03/01 23:40:09 millert Exp $";
+#else
+__RCSID("$NetBSD: panic.c,v 1.14 2016/03/13 00:32:09 dholland Exp $");
+#endif
+#endif
+
+/* Global functions */
+
+__dead
+void
+panic(const char *a)
+{
+
+	/*
+	 * Something fatal has happened, print error message and exit.
+	 */
+	if (fcreated) {
+		privs_enter();
+		(void)unlink(atfile);
+		privs_exit();
+	}
+	errx(EXIT_FAILURE, "%s", a);
+}
+
+__dead
+void
+perr(const char *a)
+{
+
+	/*
+	 * Some operating system error; print error message and exit.
+	 */
+	perror(a);
+	if (fcreated) {
+		privs_enter();
+		(void)unlink(atfile);
+		privs_exit();
+	}
+	exit(EXIT_FAILURE);
+}
+
+__dead
+void
+privs_fail(const char *msg)
+{
+	perr(msg);
+}
+
+__dead
+void
+usage(void)
+{
+
+	/* Print usage and exit.  */
+	(void)fprintf(stderr,
+	    "usage: at [-bdlmrVv] [-f file] [-q queue] -t [[CC]YY]MMDDhhmm[.SS]\n"
+	    "       at [-bdlmrVv] [-f file] [-q queue] time\n"
+	    "       at [-V] -c job [job ...]\n"
+	    "       atq [-Vv] [-q queue]\n"
+	    "       atrm [-V] job [job ...]\n"
+	    "       batch [-mVv] [-f file] [-q queue] [-t [[CC]YY]MMDDhhmm[.SS]]\n"
+	    "       batch [-mVv] [-f file] [-q queue] [time]\n");
+	exit(EXIT_FAILURE);
+}