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Pull patches from current:
Fixes by millert and mpech.

o Add missing increment in newjob() when there is a time collision.
o Fix 'at -r' crash. While loop in process_job() jobs[i] will
  contain NULL. Skip mess.
o Add missing  #include <limits.h>
o Stash uid and mode in struct at so we don't need to pass around a
  struct statbuf *.  Fixes a bug where atq reports all jobs as being
  owned by the owner of the last job in the queue.

millert@ ok

/*	$OpenBSD: at.h,v 1.7.2.1 2003/03/18 04:06:47 margarida Exp $	*/
/*	$OpenBSD: at.h,v 1.7.2.1 2003/03/18 04:06:47 margarida Exp $	*/

/*
 *  at.h -  header for at(1)
 *  Copyright (C) 1993  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.
 */

extern int fcreated;
extern char *__progname;
extern int program;
extern char atfile[];
extern char vflag;
extern char force;
extern char interactive;

enum { ATQ, ATRM, AT, BATCH, CAT };	/* what are we running as? */

struct atjob {
	time_t runtimer;
	time_t ctime;
	uid_t uid;
	mode_t mode;
	char queue;
};

#define AT_MAXJOBS	255	/* max jobs outstanding per user */

#define DEFAULT_BATCH_QUEUE	'E'
#define DEFAULT_AT_QUEUE	'c'