usr.bin/find: replace with heirloom find

1 files changed, 0 insertions, 1956 deletions

diff --git a/usr.bin/find/function.c b/usr.bin/find/function.c
deleted file mode 100644
index be880e9..0000000
--- a/usr.bin/find/function.c
+++ /dev/null
@@ -1,1956 +0,0 @@
-/*	$NetBSD: function.c,v 1.77 2018/09/04 15:16:15 kre Exp $	*/
-
-/*-
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Cimarron D. Taylor of the University of California, Berkeley.
- *
- * 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. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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, WHETHER 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.
- */
-
-#include <sys/ioctl.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <sys/wait.h>
-#include <sys/mount.h>
-#include <bsd/sys/time.h>
-
-#include <linux/fs.h>
-
-#include <dirent.h>
-#include <err.h>
-#include <errno.h>
-#include <fnmatch.h>
-#include <fts.h>
-#include <grp.h>
-#include <inttypes.h>
-#include <limits.h>
-#include <mntent.h>
-#include <pwd.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <bsd/unistd.h>
-
-#include "find.h"
-
-#define	COMPARE(a, b) {							\
-	switch (plan->flags) {						\
-	case F_EQUAL:							\
-		return (a == b);					\
-	case F_LESSTHAN:						\
-		return (a < b);						\
-	case F_GREATER:							\
-		return (a > b);						\
-	default:							\
-		abort();						\
-	}								\
-}
-
-static	int64_t	find_parsenum(PLAN *, const char *, const char *, char *);
-static	void	run_f_exec(PLAN *);
-	int	f_always_true(PLAN *, FTSENT *);
-	int	f_amin(PLAN *, FTSENT *);
-	int	f_anewer(PLAN *, FTSENT *);
-	int	f_asince(PLAN *, FTSENT *);
-	int	f_atime(PLAN *, FTSENT *);
-	int	f_cmin(PLAN *, FTSENT *);
-	int	f_cnewer(PLAN *, FTSENT *);
-	int	f_csince(PLAN *, FTSENT *);
-	int	f_ctime(PLAN *, FTSENT *);
-	int	f_delete(PLAN *, FTSENT *);
-	int	f_empty(PLAN *, FTSENT *);
-	int	f_exec(PLAN *, FTSENT *);
-	int	f_execdir(PLAN *, FTSENT *);
-	int	f_false(PLAN *, FTSENT *);
-	int	f_flags(PLAN *, FTSENT *);
-	int	f_fprint(PLAN *, FTSENT *);
-	int	f_fstype(PLAN *, FTSENT *);
-	int	f_group(PLAN *, FTSENT *);
-	int	f_iname(PLAN *, FTSENT *);
-	int	f_inum(PLAN *, FTSENT *);
-	int	f_links(PLAN *, FTSENT *);
-	int	f_ls(PLAN *, FTSENT *);
-	int	f_mindepth(PLAN *, FTSENT *);
-	int	f_maxdepth(PLAN *, FTSENT *);
-	int	f_mmin(PLAN *, FTSENT *);
-	int	f_mtime(PLAN *, FTSENT *);
-	int	f_name(PLAN *, FTSENT *);
-	int	f_newer(PLAN *, FTSENT *);
-/*
- * Unimplemented Gnu findutils options
- *
-	int	f_newerBB(PLAN *, FTSENT *);
-	int	f_newerBa(PLAN *, FTSENT *);
-	int	f_newerBc(PLAN *, FTSENT *);
-	int	f_newerBm(PLAN *, FTSENT *);
-	int	f_newerBt(PLAN *, FTSENT *);
-	int	f_neweraB(PLAN *, FTSENT *);
-	int	f_newerac(PLAN *, FTSENT *);
-	int	f_neweram(PLAN *, FTSENT *);
-	int	f_newerca(PLAN *, FTSENT *);
-	int	f_newercm(PLAN *, FTSENT *);
-	int	f_newercB(PLAN *, FTSENT *);
-	int	f_newermB(PLAN *, FTSENT *);
-	int	f_newerma(PLAN *, FTSENT *);
-	int	f_newermc(PLAN *, FTSENT *);
- *
- */
-	int	f_nogroup(PLAN *, FTSENT *);
-	int	f_nouser(PLAN *, FTSENT *);
-	int	f_path(PLAN *, FTSENT *);
-	int	f_perm(PLAN *, FTSENT *);
-	int	f_print(PLAN *, FTSENT *);
-	int	f_print0(PLAN *, FTSENT *);
-	int	f_printx(PLAN *, FTSENT *);
-	int	f_prune(PLAN *, FTSENT *);
-	int	f_regex(PLAN *, FTSENT *);
-	int	f_since(PLAN *, FTSENT *);
-	int	f_size(PLAN *, FTSENT *);
-	int	f_type(PLAN *, FTSENT *);
-	int	f_user(PLAN *, FTSENT *);
-	int	f_not(PLAN *, FTSENT *);
-	int	f_or(PLAN *, FTSENT *);
-static	PLAN   *c_regex_common(char ***, int, enum ntype, bool);
-static	PLAN   *palloc(enum ntype, int (*)(PLAN *, FTSENT *));
-
-extern int dotfd;
-extern FTS *tree;
-extern time_t now;
-
-/*
- * find_parsenum --
- *	Parse a string of the form [+-]# and return the value.
- */
-static int64_t
-find_parsenum(PLAN *plan, const char *option, const char *vp, char *endch)
-{
-	int64_t value;
-	const char *str;
-	char *endchar; /* Pointer to character ending conversion. */
-
-	/* Determine comparison from leading + or -. */
-	str = vp;
-	switch (*str) {
-	case '+':
-		++str;
-		plan->flags = F_GREATER;
-		break;
-	case '-':
-		++str;
-		plan->flags = F_LESSTHAN;
-		break;
-	default:
-		plan->flags = F_EQUAL;
-		break;
-	}
-
-	/*
-	 * Convert the string with strtol().  Note, if strtol() returns zero
-	 * and endchar points to the beginning of the string we know we have
-	 * a syntax error.
-	 */
-	value = strtoll(str, &endchar, 10);
-	if (value == 0 && endchar == str)
-		errx(1, "%s: %s: illegal numeric value", option, vp);
-	if (endchar[0] && (endch == NULL || endchar[0] != *endch))
-		errx(1, "%s: %s: illegal trailing character", option, vp);
-	if (endch)
-		*endch = endchar[0];
-	return (value);
-}
-
-/*
- * find_parsedate --
- *
- * Validate the timestamp argument or report an error
- */
-static time_t
-find_parsedate(PLAN *plan, const char *option, const char *vp)
-{
-	time_t timestamp;
-
-	errno = 0;
-	timestamp = parsedate(vp, NULL, NULL);
-	if (timestamp == -1 && errno != 0)
-		errx(1, "%s: %s: invalid timestamp value", option, vp);
-	return timestamp;
-}
-
-/*
- * The value of n for the inode times (atime, ctime, and mtime) is a range,
- * i.e. n matches from (n - 1) to n 24 hour periods.  This interacts with
- * -n, such that "-mtime -1" would be less than 0 days, which isn't what the
- * user wanted.  Correct so that -1 is "less than 1".
- */
-#define	TIME_CORRECT(p, ttype)						\
-	if ((p)->type == ttype && (p)->flags == F_LESSTHAN)		\
-		++((p)->t_data);
-
-/*
- * -amin n functions --
- *
- *	True if the difference between the file access time and the
- *	current time is n 1 minute periods.
- */
-int
-f_amin(PLAN *plan, FTSENT *entry)
-{
-#define SECSPERMIN 60
-	COMPARE((now - entry->fts_statp->st_atime +
-	    SECSPERMIN - 1) / SECSPERMIN, plan->t_data);
-}
-
-PLAN *
-c_amin(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_AMIN, f_amin);
-	new->t_data = find_parsenum(new, opt, arg, NULL);
-	TIME_CORRECT(new, N_AMIN);
-	return (new);
-}
-
-/*
- * -anewer file functions --
- *
- *	True if the current file has been accessed more recently
- *	than the access time of the file named by the pathname
- *	file.
- */
-int
-f_anewer(PLAN *plan, FTSENT *entry)
-{
-
-	return timespeccmp(&entry->fts_statp->st_atim, &plan->ts_data, >);
-}
-
-PLAN *
-c_anewer(char ***argvp, int isok, char *opt)
-{
-	char *filename = **argvp;
-	PLAN *new;
-	struct stat sb;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	if (stat(filename, &sb))
-		err(1, "%s: %s", opt, filename);
-	new = palloc(N_ANEWER, f_anewer);
-	new->ts_data = sb.st_atim;
-	return (new);
-}
-
-/*
- * -asince "timestamp" functions --
- *
- *	True if the file access time is greater than the timestamp value
- */
-int
-f_asince(PLAN *plan, FTSENT *entry)
-{
-	COMPARE(entry->fts_statp->st_atime, plan->t_data);
-}
-
-PLAN *
-c_asince(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_ASINCE, f_asince);
-	new->t_data = find_parsedate(new, opt, arg);
-	new->flags = F_GREATER;
-	return (new);
-}
-
-/*
- * -atime n functions --
- *
- *	True if the difference between the file access time and the
- *	current time is n 24 hour periods.
- */
-int
-f_atime(PLAN *plan, FTSENT *entry)
-{
-#define SECSPERDAY 24*60*60
-	COMPARE((now - entry->fts_statp->st_atime +
-	    SECSPERDAY - 1) / SECSPERDAY, plan->t_data);
-}
-
-PLAN *
-c_atime(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_ATIME, f_atime);
-	new->t_data = find_parsenum(new, opt, arg, NULL);
-	TIME_CORRECT(new, N_ATIME);
-	return (new);
-}
-
-/*
- * -cmin n functions --
- *
- *	True if the difference between the last change of file
- *	status information and the current time is n 24 hour periods.
- */
-int
-f_cmin(PLAN *plan, FTSENT *entry)
-{
-	COMPARE((now - entry->fts_statp->st_ctime +
-	    SECSPERMIN - 1) / SECSPERMIN, plan->t_data);
-}
-
-PLAN *
-c_cmin(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_CMIN, f_cmin);
-	new->t_data = find_parsenum(new, opt, arg, NULL);
-	TIME_CORRECT(new, N_CMIN);
-	return (new);
-}
-
-/*
- * -cnewer file functions --
- *
- *	True if the current file has been changed more recently
- *	than the changed time of the file named by the pathname
- *	file.
- */
-int
-f_cnewer(PLAN *plan, FTSENT *entry)
-{
-
-	return timespeccmp(&entry->fts_statp->st_ctim, &plan->ts_data, >);
-}
-
-PLAN *
-c_cnewer(char ***argvp, int isok, char *opt)
-{
-	char *filename = **argvp;
-	PLAN *new;
-	struct stat sb;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	if (stat(filename, &sb))
-		err(1, "%s: %s ", opt, filename);
-	new = palloc(N_CNEWER, f_cnewer);
-	new->ts_data = sb.st_ctim;
-	return (new);
-}
-
-/*
- * -csince "timestamp" functions --
- *
- *	True if the file status change time is greater than the timestamp value
- */
-int
-f_csince(PLAN *plan, FTSENT *entry)
-{
-	COMPARE(entry->fts_statp->st_ctime, plan->t_data);
-}
-
-PLAN *
-c_csince(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_CSINCE, f_csince);
-	new->t_data = find_parsedate(new, opt, arg);
-	new->flags = F_GREATER;
-	return (new);
-}
-
-/*
- * -ctime n functions --
- *
- *	True if the difference between the last change of file
- *	status information and the current time is n 24 hour periods.
- */
-int
-f_ctime(PLAN *plan, FTSENT *entry)
-{
-	COMPARE((now - entry->fts_statp->st_ctime +
-	    SECSPERDAY - 1) / SECSPERDAY, plan->t_data);
-}
-
-PLAN *
-c_ctime(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_CTIME, f_ctime);
-	new->t_data = find_parsenum(new, opt, arg, NULL);
-	TIME_CORRECT(new, N_CTIME);
-	return (new);
-}
-
-/*
- * -delete functions --
- *
- *	Always true.  Makes its best shot and continues on regardless.
- */
-int
-f_delete(PLAN *plan, FTSENT *entry)
-{
-	int flags;
-	FILE *file;
-	/* ignore these from fts */
-	if (strcmp(entry->fts_accpath, ".") == 0 ||
-	    strcmp(entry->fts_accpath, "..") == 0)
-		return 1;
-
-	/* sanity check */
-	if (isdepth == 0 ||			/* depth off */
-	    (ftsoptions & FTS_NOSTAT) ||	/* not stat()ing */
-	    !(ftsoptions & FTS_PHYSICAL) ||	/* physical off */
-	    (ftsoptions & FTS_LOGICAL))		/* or finally, logical on */
-		errx(1, "-delete: insecure options got turned on");
-
-	/* Potentially unsafe - do not accept relative paths whatsoever */
-	if (entry->fts_level > 0 && strchr(entry->fts_accpath, '/') != NULL)
-		errx(1, "-delete: %s: relative path potentially not safe",
-			entry->fts_accpath);
-	
-	file = fopen(entry->fts_name, "r");
-	if (file == NULL) {
-		warn("couldn't check flags for %s", entry->fts_name);
-	} else {
-		ioctl(fileno(file), FS_IOC_GETFLAGS, &flags);
-		/* turn off immutable bit if running as root */
-		if ((geteuid() == 0) && (flags & FS_IMMUTABLE_FL)) {
-			flags = flags & ~FS_IMMUTABLE_FL;
-			ioctl(fileno(file), FS_IOC_SETFLAGS, &flags);
-		}
-	}
-
-	/* rmdir directories, unlink everything else */
-	if (S_ISDIR(entry->fts_statp->st_mode)) {
-		if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
-			warn("-delete: rmdir(%s)", entry->fts_path);
-	} else {
-		if (unlink(entry->fts_accpath) < 0)
-			warn("-delete: unlink(%s)", entry->fts_path);
-	}
-
-	/* "succeed" */
-	return 1;
-}
-
-PLAN *
-c_delete(char ***argvp, int isok, char *opt)
-{
-
-	ftsoptions &= ~FTS_NOSTAT;	/* no optimize */
-	ftsoptions |= FTS_PHYSICAL;	/* disable -follow */
-	ftsoptions &= ~FTS_LOGICAL;	/* disable -follow */
-	isoutput = 1;			/* possible output */
-	isdepth = 1;			/* -depth implied */
-
-	return palloc(N_DELETE, f_delete);
-}
-
-/*
- * -depth functions --
- *
- *	Always true, causes descent of the directory hierarchy to be done
- *	so that all entries in a directory are acted on before the directory
- *	itself.
- */
-int
-f_always_true(PLAN *plan, FTSENT *entry)
-{
-
-	return (1);
-}
-
-PLAN *
-c_depth(char ***argvp, int isok, char *opt)
-{
-	isdepth = 1;
-
-	return (palloc(N_DEPTH, f_always_true));
-}
-
-/*
- * -empty functions --
- *
- *	True if the file or directory is empty
- */
-int
-f_empty(PLAN *plan, FTSENT *entry)
-{
-	if (S_ISREG(entry->fts_statp->st_mode) &&
-	    entry->fts_statp->st_size == 0)
-		return (1);
-	if (S_ISDIR(entry->fts_statp->st_mode)) {
-		struct dirent *dp;
-		int empty;
-		DIR *dir;
-
-		empty = 1;
-		dir = opendir(entry->fts_accpath);
-		if (dir == NULL)
-			return (0);
-		for (dp = readdir(dir); dp; dp = readdir(dir))
-			if (dp->d_name[0] != '.' ||
-			    (dp->d_name[1] != '\0' &&
-				(dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
-				empty = 0;
-				break;
-			}
-		closedir(dir);
-		return (empty);
-	}
-	return (0);
-}
-
-PLAN *
-c_empty(char ***argvp, int isok, char *opt)
-{
-	ftsoptions &= ~FTS_NOSTAT;
-
-	return (palloc(N_EMPTY, f_empty));
-}
-
-/*
- * [-exec | -ok] utility [arg ... ] ; functions --
- * [-exec | -ok] utility [arg ... ] {} + functions --
- *
- *	If the end of the primary expression is delimited by a
- *	semicolon: true if the executed utility returns a zero value
- *	as exit status.  If "{}" occurs anywhere, it gets replaced by
- *	the current pathname.
- *
- *	If the end of the primary expression is delimited by a plus
- *	sign: always true. Pathnames for which the primary is
- *	evaluated shall be aggregated into sets. The utility will be
- *	executed once per set, with "{}" replaced by the entire set of
- *	pathnames (as if xargs). "{}" must appear last.
- *
- *	The current directory for the execution of utility is the same
- *	as the current directory when the find utility was started.
- *
- *	The primary -ok is different in that it requests affirmation
- *	of the user before executing the utility.
- */
-int
-f_exec(PLAN *plan, FTSENT *entry)
-{
-	size_t cnt;
-	int l;
-	pid_t pid;
-	int status;
-
-	if (plan->flags & F_PLUSSET) {
-		/*
-		 * Confirm sufficient buffer space, then copy the path
-		 * to the buffer.
-		 */
-		l = strlen(entry->fts_path);
-		if (plan->ep_p + l < plan->ep_ebp) {
-			plan->ep_bxp[plan->ep_narg++] =
-			    strcpy(plan->ep_p, entry->fts_path);
-			plan->ep_p += l + 1;
-
-			if (plan->ep_narg == plan->ep_maxargs)
-				run_f_exec(plan);
-		} else {
-			/*
-			 * Without sufficient space to copy in the next
-			 * argument, run the command to empty out the
-			 * buffer before re-attepting the copy.
-			 */
-			run_f_exec(plan);
-			if ((plan->ep_p + l < plan->ep_ebp)) {
-				plan->ep_bxp[plan->ep_narg++]
-				    = strcpy(plan->ep_p, entry->fts_path);
-				plan->ep_p += l + 1;
-			} else
-				errx(1, "insufficient space for argument");
-		}
-		return (1);
-	} else {
-		for (cnt = 0; plan->e_argv[cnt]; ++cnt)
-			if (plan->e_len[cnt])
-				brace_subst(plan->e_orig[cnt],
-				    &plan->e_argv[cnt],
-				    entry->fts_path,
-				    &plan->e_len[cnt]);
-		if (plan->flags & F_NEEDOK && !queryuser(plan->e_argv))
-			return (0);
-
-		/* Don't mix output of command with find output. */
-		fflush(stdout);
-		fflush(stderr);
-
-		switch (pid = vfork()) {
-		case -1:
-			err(1, "vfork");
-			/* NOTREACHED */
-		case 0:
-			if (fchdir(dotfd)) {
-				warn("chdir");
-				_exit(1);
-			}
-			execvp(plan->e_argv[0], plan->e_argv);
-			warn("%s", plan->e_argv[0]);
-			_exit(1);
-		}
-		pid = waitpid(pid, &status, 0);
-		return (pid != -1 && WIFEXITED(status)
-		    && !WEXITSTATUS(status));
-	}
-}
-
-static void
-run_f_exec(PLAN *plan)
-{
-	pid_t pid;
-	int rval, status;
-
-	/* Ensure arg list is null terminated. */
-	plan->ep_bxp[plan->ep_narg] = NULL;
-
-	/* Don't mix output of command with find output. */
-	fflush(stdout);
-	fflush(stderr);
-
-	switch (pid = vfork()) {
-	case -1:
-		err(1, "vfork");
-		/* NOTREACHED */
-	case 0:
-		if (fchdir(dotfd)) {
-			warn("chdir");
-			_exit(1);
-		}
-		execvp(plan->e_argv[0], plan->e_argv);
-		warn("%s", plan->e_argv[0]);
-		_exit(1);
-	}
-
-	/* Clear out the argument list. */
-	plan->ep_narg = 0;
-	plan->ep_bxp[plan->ep_narg] = NULL;
-	/* As well as the argument buffer. */
-	plan->ep_p = plan->ep_bbp;
-	*plan->ep_p = '\0';
-
-	pid = waitpid(pid, &status, 0);
-	if (WIFEXITED(status))
-		rval = WEXITSTATUS(status);
-	else
-		rval = -1;
-
-	/*
-	 * If we have a non-zero exit status, preserve it so find(1) can
-	 * later exit with it.
-	 */
-	if (rval)
-		plan->ep_rval = rval;
-}
-
-/*
- * c_exec --
- *	build three parallel arrays, one with pointers to the strings passed
- *	on the command line, one with (possibly duplicated) pointers to the
- *	argv array, and one with integer values that are lengths of the
- *	strings, but also flags meaning that the string has to be massaged.
- *
- *	If -exec ... {} +, use only the first array, but make it large
- *	enough to hold 5000 args (cf. src/usr.bin/xargs/xargs.c for a
- *	discussion), and then allocate ARG_MAX - 4K of space for args.
- */
-PLAN *
-c_exec(char ***argvp, int isok, char *opt)
-{
-	PLAN *new;			/* node returned */
-	size_t cnt;
-	int brace, lastbrace;
-	char **argv, **ap, *p;
-
-	isoutput = 1;
-
-	new = palloc(N_EXEC, f_exec);
-	if (isok)
-		new->flags |= F_NEEDOK;
-
-	/*
-	 * Terminate if we encounter an arg exactly equal to ";", or an
-	 * arg exactly equal to "+" following an arg exactly equal to
-	 * "{}".
-	 */
-	for (ap = argv = *argvp, brace = 0;; ++ap) {
-		if (!*ap)
-			errx(1, "%s: no terminating \";\" or \"+\"", opt);
-		lastbrace = brace;
-		brace = 0;
-		if (strcmp(*ap, "{}") == 0)
-			brace = 1;
-		if (strcmp(*ap, ";") == 0)
-			break;
-		if (strcmp(*ap, "+") == 0 && lastbrace) {
-			new->flags |= F_PLUSSET;
-			break;
-		}
-	}
-
-	/*
-	 * POSIX says -ok ... {} + "need not be supported," and it does
-	 * not make much sense anyway.
-	 */
-	if (new->flags & F_NEEDOK && new->flags & F_PLUSSET)
-		errx(1, "%s: terminating \"+\" not permitted.", opt);
-
-	if (new->flags & F_PLUSSET) {
-		size_t c, bufsize;
-
-		cnt = ap - *argvp - 1;			/* units are words */
-		new->ep_maxargs = ARG_MAX / (sizeof (char *) + 16);
-		if (new->ep_maxargs > 5000)
-			new->ep_maxargs = 5000;
-		new->e_argv = malloc((cnt + new->ep_maxargs)
-		    * sizeof(*new->e_argv));
-
-		/* We start stuffing arguments after the user's last one. */
-		new->ep_bxp = &new->e_argv[cnt];
-		new->ep_narg = 0;
-
-		/*
-		 * Count up the space of the user's arguments, and
-		 * subtract that from what we allocate.
-		 */
-#define MAXARG (ARG_MAX - 4 * 1024)
-		for (argv = *argvp, c = 0, cnt = 0;
-		     argv < ap;
-		     ++argv, ++cnt) {
-			c += strlen(*argv) + 1;
-			if (c >= MAXARG)
-				errx(1, "Arguments too long");
-			new->e_argv[cnt] = *argv;
-		}
-		if (c + new->ep_maxargs * sizeof (char *) >= MAXARG)
-			errx(1, "Arguments too long");
-		bufsize = MAXARG - c - new->ep_maxargs * sizeof (char *);
-
-		/*
-		 * Allocate, and then initialize current, base, and
-		 * end pointers.
-		 */
-		new->ep_p = new->ep_bbp = malloc(bufsize + 1);
-		new->ep_ebp = new->ep_bbp + bufsize - 1;
-		new->ep_rval = 0;
-	} else { /* !F_PLUSSET */
-		cnt = ap - *argvp + 1;
-		new->e_argv = malloc(cnt * sizeof(*new->e_argv));
-		new->e_orig = malloc(cnt * sizeof(*new->e_orig));
-		new->e_len = malloc(cnt * sizeof(*new->e_len));
-
-		for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
-			new->e_orig[cnt] = *argv;
-			for (p = *argv; *p; ++p)
-				if (p[0] == '{' && p[1] == '}') {
-					new->e_argv[cnt] =
-						malloc(MAXPATHLEN);
-					new->e_len[cnt] = MAXPATHLEN;
-					break;
-				}
-			if (!*p) {
-				new->e_argv[cnt] = *argv;
-				new->e_len[cnt] = 0;
-			}
-		}
-		new->e_orig[cnt] = NULL;
-	}
-
-	new->e_argv[cnt] = NULL;
-	*argvp = argv + 1;
-	return (new);
-}
-
-/*
- * -execdir utility [arg ... ] ; functions --
- *
- *	True if the executed utility returns a zero value as exit status.
- *	The end of the primary expression is delimited by a semicolon.  If
- *	"{}" occurs anywhere, it gets replaced by the unqualified pathname.
- *	The current directory for the execution of utility is the same as
- *	the directory where the file lives.
- */
-int
-f_execdir(PLAN *plan, FTSENT *entry)
-{
-	size_t cnt;
-	pid_t pid;
-	int status;
-	char *file;
-
-	/* XXX - if file/dir ends in '/' this will not work -- can it? */
-	if ((file = strrchr(entry->fts_path, '/')))
-		file++;
-	else
-		file = entry->fts_path;
-
-	for (cnt = 0; plan->e_argv[cnt]; ++cnt)
-		if (plan->e_len[cnt])
-			brace_subst(plan->e_orig[cnt], &plan->e_argv[cnt],
-			    file, &plan->e_len[cnt]);
-
-	/* don't mix output of command with find output */
-	fflush(stdout);
-	fflush(stderr);
-
-	switch (pid = vfork()) {
-	case -1:
-		err(1, "fork");
-		/* NOTREACHED */
-	case 0:
-		execvp(plan->e_argv[0], plan->e_argv);
-		warn("%s", plan->e_argv[0]);
-		_exit(1);
-	}
-	pid = waitpid(pid, &status, 0);
-	return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
-}
-
-/*
- * c_execdir --
- *	build three parallel arrays, one with pointers to the strings passed
- *	on the command line, one with (possibly duplicated) pointers to the
- *	argv array, and one with integer values that are lengths of the
- *	strings, but also flags meaning that the string has to be massaged.
- */
-PLAN *
-c_execdir(char ***argvp, int isok, char *opt)
-{
-	PLAN *new;			/* node returned */
-	size_t cnt;
-	char **argv, **ap, *p;
-
-	ftsoptions &= ~FTS_NOSTAT;
-	isoutput = 1;
-
-	new = palloc(N_EXECDIR, f_execdir);
-
-	for (ap = argv = *argvp;; ++ap) {
-		if (!*ap)
-			errx(1, "%s: no terminating \";\"", opt);
-		if (**ap == ';')
-			break;
-	}
-
-	cnt = ap - *argvp + 1;
-	new->e_argv = malloc(cnt * sizeof(*new->e_argv));
-	new->e_orig = malloc(cnt * sizeof(*new->e_orig));
-	new->e_len = malloc(cnt * sizeof(*new->e_len));
-
-	for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
-		new->e_orig[cnt] = *argv;
-		for (p = *argv; *p; ++p)
-			if (p[0] == '{' && p[1] == '}') {
-				new->e_argv[cnt] = malloc(MAXPATHLEN);
-				new->e_len[cnt] = MAXPATHLEN;
-				break;
-			}
-		if (!*p) {
-			new->e_argv[cnt] = *argv;
-			new->e_len[cnt] = 0;
-		}
-	}
-	new->e_argv[cnt] = new->e_orig[cnt] = NULL;
-
-	*argvp = argv + 1;
-	return (new);
-}
-
-PLAN *
-c_exit(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	/* not technically true, but otherwise '-print' is implied */
-	isoutput = 1;
-
-	new = palloc(N_EXIT, f_always_true);
-
-	if (arg) {
-		(*argvp)++;
-		new->exit_val = find_parsenum(new, opt, arg, NULL);
-	} else
-		new->exit_val = 0;
-
-	return (new);
-}
-
-
-/*
- * -false function
- */
-int
-f_false(PLAN *plan, FTSENT *entry)
-{
-
-	return (0);
-}
-
-PLAN *
-c_false(char ***argvp, int isok, char *opt)
-{
-	return (palloc(N_FALSE, f_false));
-}
-
-/*
- * -follow functions --
- *
- *	Always true, causes symbolic links to be followed on a global
- *	basis.
- */
-PLAN *
-c_follow(char ***argvp, int isok, char *opt)
-{
-	ftsoptions &= ~FTS_PHYSICAL;
-	ftsoptions |= FTS_LOGICAL;
-
-	return (palloc(N_FOLLOW, f_always_true));
-}
-
-/* -fprint functions --
- *
- *	Causes the current pathame to be written to the defined output file.
- */
-int
-f_fprint(PLAN *plan, FTSENT *entry)
-{
-
-	if (-1 == fprintf(plan->fprint_file, "%s\n", entry->fts_path))
-		warn("fprintf");
-
-	return(1);
-
-	/* no descriptors are closed; they will be closed by
-	   operating system when this find command exits.  */
-}
-
-PLAN *
-c_fprint(char ***argvp, int isok, char *opt)
-{
-	PLAN *new;
-
-	isoutput = 1; /* do not assume -print */
-
-	new = palloc(N_FPRINT, f_fprint);
-
-	if (NULL == (new->fprint_file = fopen(**argvp, "w")))
-		err(1, "%s: %s: cannot create file", opt, **argvp);
-
-	(*argvp)++;
-	return (new);
-}
-#define MNT_RDONLY 0x01
-/*
- * -fstype functions --
- *
- *	True if the file is of a certain type.
- */
-int
-f_fstype(PLAN *plan, FTSENT *entry)
-{
-	static char *fstype = NULL;
-	FILE *file;
-	struct mntent *mnt;
-	int flags;
-	char *filename = strdup(entry->fts_name);
-	char *temp = strrchr(filename, '/');
-	temp[0] = '\0';
-
-	file = setmntent("/etc/mtab", "r");
-	if (file == NULL) {
-		err(1, "couldn't read mount table");
-	}
-
-	while ((mnt = getmntent(file)) != NULL) {
-		if (!strncmp(mnt->mnt_dir, filename, strlen(mnt->mnt_dir))) {
-			fstype = strdup(mnt->mnt_type);
-			if (strstr(mnt->mnt_opts, MNTOPT_RO) != NULL) {
-				flags |= MNT_RDONLY;
-			}
-			break;
-		}
-	}
-	endmntent(file);
-
-	switch (plan->flags) {
-	case F_MTFLAG:
-		return (flags & plan->mt_data);
-	case F_MTTYPE:
-		return (strncmp(fstype, plan->c_data, sizeof(fstype)) == 0);
-	default:
-		abort();
-	}
-}
-
-PLAN *
-c_fstype(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_FSTYPE, f_fstype);
-
-	switch (*arg) {
-	case 'r':
-		if (!strcmp(arg, "rdonly")) {
-			new->flags = F_MTFLAG;
-			new->mt_data = MNT_RDONLY;
-			return (new);
-		}
-		break;
-	}
-
-	new->flags = F_MTTYPE;
-	new->c_data = arg;
-	return (new);
-}
-
-/*
- * -group gname functions --
- *
- *	True if the file belongs to the group gname.  If gname is numeric and
- *	an equivalent of the getgrnam() function does not return a valid group
- *	name, gname is taken as a group ID.
- */
-int
-f_group(PLAN *plan, FTSENT *entry)
-{
-
-	COMPARE(entry->fts_statp->st_gid, plan->g_data);
-}
-
-PLAN *
-c_group(char ***argvp, int isok, char *opt)
-{
-	char *gname = **argvp;
-	PLAN *new;
-	struct group *g;
-	gid_t gid;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_GROUP, f_group);
-	g = getgrnam(gname);
-	if (g == NULL) {
-		if (atoi(gname) == 0 && gname[0] != '0' &&
-		    strcmp(gname, "+0") && strcmp(gname, "-0"))
-			errx(1, "%s: %s: no such group", opt, gname);
-		gid = find_parsenum(new, "-group", gname, NULL);
-
-	} else {
-		new->flags = F_EQUAL;
-		gid = g->gr_gid;
-	}
-
-	new->g_data = gid;
-	return (new);
-}
-
-/*
- * -inum n functions --
- *
- *	True if the file has inode # n.
- */
-int
-f_inum(PLAN *plan, FTSENT *entry)
-{
-
-	COMPARE(entry->fts_statp->st_ino, plan->i_data);
-}
-
-PLAN *
-c_inum(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_INUM, f_inum);
-	new->i_data = find_parsenum(new, opt, arg, NULL);
-	return (new);
-}
-
-/*
- * -links n functions --
- *
- *	True if the file has n links.
- */
-int
-f_links(PLAN *plan, FTSENT *entry)
-{
-
-	COMPARE(entry->fts_statp->st_nlink, plan->l_data);
-}
-
-PLAN *
-c_links(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_LINKS, f_links);
-	new->l_data = (nlink_t)find_parsenum(new, opt, arg, NULL);
-	return (new);
-}
-
-/*
- * -ls functions --
- *
- *	Always true - prints the current entry to stdout in "ls" format.
- */
-int
-f_ls(PLAN *plan, FTSENT *entry)
-{
-
-	printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
-	return (1);
-}
-
-PLAN *
-c_ls(char ***argvp, int isok, char *opt)
-{
-
-	ftsoptions &= ~FTS_NOSTAT;
-	isoutput = 1;
-
-	return (palloc(N_LS, f_ls));
-}
-
-/*
- * - maxdepth n functions --
- *
- *	True if the current search depth is less than or equal to the
- *	maximum depth specified
- */
-int
-f_maxdepth(PLAN *plan, FTSENT *entry)
-{
-	extern FTS *tree;
-
-	if (entry->fts_level >= plan->max_data)
-		fts_set(tree, entry, FTS_SKIP);
-	return (entry->fts_level <= plan->max_data);
-}
-
-PLAN *
-c_maxdepth(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	new = palloc(N_MAXDEPTH, f_maxdepth);
-	new->max_data = atoi(arg);
-	return (new);
-}
-
-/*
- * - mindepth n functions --
- *
- *	True if the current search depth is greater than or equal to the
- *	minimum depth specified
- */
-int
-f_mindepth(PLAN *plan, FTSENT *entry)
-{
-	return (entry->fts_level >= plan->min_data);
-}
-
-PLAN *
-c_mindepth(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	new = palloc(N_MINDEPTH, f_mindepth);
-	new->min_data = atoi(arg);
-	return (new);
-}
-
-/*
- * -mmin n functions --
- *
- *	True if the difference between the file modification time and the
- *	current time is n 24 hour periods.
- */
-int
-f_mmin(PLAN *plan, FTSENT *entry)
-{
-#define SECSPERMIN 60
-	COMPARE((now - entry->fts_statp->st_mtime + SECSPERMIN - 1) /
-	    SECSPERMIN, plan->t_data);
-}
-
-PLAN *
-c_mmin(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_MMIN, f_mmin);
-	new->t_data = find_parsenum(new, opt, arg, NULL);
-	TIME_CORRECT(new, N_MMIN);
-	return (new);
-}
-
-/*
- * -mtime n functions --
- *
- *	True if the difference between the file modification time and the
- *	current time is n 24 hour periods.
- */
-int
-f_mtime(PLAN *plan, FTSENT *entry)
-{
-	COMPARE((now - entry->fts_statp->st_mtime + SECSPERDAY - 1) /
-	    SECSPERDAY, plan->t_data);
-}
-
-PLAN *
-c_mtime(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_MTIME, f_mtime);
-	new->t_data = find_parsenum(new, opt, arg, NULL);
-	TIME_CORRECT(new, N_MTIME);
-	return (new);
-}
-
-/*
- * -name functions --
- *
- *	True if the basename of the filename being examined
- *	matches pattern using Pattern Matching Notation S3.14
- */
-int
-f_name(PLAN *plan, FTSENT *entry)
-{
-
-	return (!fnmatch(plan->c_data, entry->fts_name, 0));
-}
-
-PLAN *
-c_name(char ***argvp, int isok, char *opt)
-{
-	char *pattern = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	new = palloc(N_NAME, f_name);
-	new->c_data = pattern;
-	return (new);
-}
-
-/*
- * -iname functions --
- *
- *	Similar to -name, but does case insensitive matching
- *
- */
-int
-f_iname(PLAN *plan, FTSENT *entry)
-{
-	return (!fnmatch(plan->c_data, entry->fts_name, FNM_CASEFOLD));
-}
-
-PLAN *
-c_iname(char ***argvp, int isok, char *opt)
-{
-	char *pattern = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	new = palloc(N_INAME, f_iname);
-	new->c_data = pattern;
-	return (new);
-}
-
-/*
- * -newer file functions --
- *
- *	True if the current file has been modified more recently
- *	than the modification time of the file named by the pathname
- *	file.
- */
-int
-f_newer(PLAN *plan, FTSENT *entry)
-{
-
-	return timespeccmp(&entry->fts_statp->st_mtim, &plan->ts_data, >);
-}
-
-PLAN *
-c_newer(char ***argvp, int isok, char *opt)
-{
-	char *filename = **argvp;
-	PLAN *new;
-	struct stat sb;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	if (stat(filename, &sb))
-		err(1, "%s: %s", opt, filename);
-	new = palloc(N_NEWER, f_newer);
-	new->ts_data = sb.st_mtim;
-	return (new);
-}
-
-/*
- * -nogroup functions --
- *
- *	True if file belongs to a user ID for which the equivalent
- *	of the getgrnam() 9.2.1 [POSIX.1] function returns NULL.
- */
-int
-f_nogroup(PLAN *plan, FTSENT *entry)
-{
-	return getgrgid(entry->fts_statp->st_gid) != NULL;
-}
-
-PLAN *
-c_nogroup(char ***argvp, int isok, char *opt)
-{
-	ftsoptions &= ~FTS_NOSTAT;
-
-	return (palloc(N_NOGROUP, f_nogroup));
-}
-
-/*
- * -nouser functions --
- *
- *	True if file belongs to a user ID for which the equivalent
- *	of the getpwuid() 9.2.2 [POSIX.1] function returns NULL.
- */
-int
-f_nouser(PLAN *plan, FTSENT *entry)
-{
-	return getpwuid(entry->fts_statp->st_uid) != NULL;
-}
-
-PLAN *
-c_nouser(char ***argvp, int isok, char *opt)
-{
-	ftsoptions &= ~FTS_NOSTAT;
-
-	return (palloc(N_NOUSER, f_nouser));
-}
-
-/*
- * -path functions --
- *
- *	True if the path of the filename being examined
- *	matches pattern using Pattern Matching Notation S3.14
- */
-int
-f_path(PLAN *plan, FTSENT *entry)
-{
-
-	return (!fnmatch(plan->c_data, entry->fts_path, 0));
-}
-
-PLAN *
-c_path(char ***argvp, int isok, char *opt)
-{
-	char *pattern = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	new = palloc(N_NAME, f_path);
-	new->c_data = pattern;
-	return (new);
-}
-
-/*
- * -perm functions --
- *
- *	The mode argument is used to represent file mode bits.  If it starts
- *	with a leading digit, it's treated as an octal mode, otherwise as a
- *	symbolic mode.
- */
-int
-f_perm(PLAN *plan, FTSENT *entry)
-{
-	mode_t mode;
-
-	mode = entry->fts_statp->st_mode &
-	    (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
-	if (plan->flags == F_ATLEAST)
-		return ((plan->m_data | mode) == mode);
-	else
-		return (mode == plan->m_data);
-	/* NOTREACHED */
-}
-
-PLAN *
-c_perm(char ***argvp, int isok, char *opt)
-{
-	char *perm = **argvp;
-	PLAN *new;
-	mode_t *set;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_PERM, f_perm);
-
-	if (*perm == '-') {
-		new->flags = F_ATLEAST;
-		++perm;
-	}
-
-	if ((set = setmode(perm)) == NULL)
-		err(1, "%s: Cannot set file mode `%s'", opt, perm);
-
-	new->m_data = getmode(set, 0);
-	free(set);
-	return (new);
-}
-
-/*
- * -print functions --
- *
- *	Always true, causes the current pathame to be written to
- *	standard output.
- */
-int
-f_print(PLAN *plan, FTSENT *entry)
-{
-
-	(void)printf("%s\n", entry->fts_path);
-	return (1);
-}
-
-int
-f_print0(PLAN *plan, FTSENT *entry)
-{
-
-	(void)fputs(entry->fts_path, stdout);
-	(void)fputc('\0', stdout);
-	return (1);
-}
-
-int
-f_printx(PLAN *plan, FTSENT *entry)
-{
-	char *cp;
-
-	for (cp = entry->fts_path; *cp; cp++) {
-		if (*cp == '\'' || *cp == '\"' || *cp == ' ' ||
-		    *cp == '$'  || *cp == '`'  ||
-		    *cp == '\t' || *cp == '\n' || *cp == '\\')
-			fputc('\\', stdout);
-
-		fputc(*cp, stdout);
-	}
-
-	fputc('\n', stdout);
-	return (1);
-}
-
-PLAN *
-c_print(char ***argvp, int isok, char *opt)
-{
-
-	isoutput = 1;
-
-	return (palloc(N_PRINT, f_print));
-}
-
-PLAN *
-c_print0(char ***argvp, int isok, char *opt)
-{
-
-	isoutput = 1;
-
-	return (palloc(N_PRINT0, f_print0));
-}
-
-PLAN *
-c_printx(char ***argvp, int isok, char *opt)
-{
-
-	isoutput = 1;
-
-	return (palloc(N_PRINTX, f_printx));
-}
-
-/*
- * -prune functions --
- *
- *	Prune a portion of the hierarchy.
- */
-int
-f_prune(PLAN *plan, FTSENT *entry)
-{
-	if (fts_set(tree, entry, FTS_SKIP))
-		err(1, "%s", entry->fts_path);
-	return (1);
-}
-
-PLAN *
-c_prune(char ***argvp, int isok, char *opt)
-{
-
-	return (palloc(N_PRUNE, f_prune));
-}
-
-/*
- * -regex regexp (and related) functions --
- *
- *	True if the complete file path matches the regular expression regexp.
- *	For -regex, regexp is a case-sensitive (basic) regular expression.
- *	For -iregex, regexp is a case-insensitive (basic) regular expression.
- */
-int
-f_regex(PLAN *plan, FTSENT *entry)
-{
-
-	return (regexec(&plan->regexp_data, entry->fts_path, 0, NULL, 0) == 0);
-}
-
-static PLAN *
-c_regex_common(char ***argvp, int isok, enum ntype type, bool icase)
-{
-	char errbuf[LINE_MAX];
-	regex_t reg;
-	char *regexp = **argvp;
-	char *lineregexp;
-	PLAN *new;
-	int rv;
-	size_t len;
-
-	(*argvp)++;
-
-	len = strlen(regexp) + 1 + 6;
-	lineregexp = malloc(len);	/* max needed */
-	if (lineregexp == NULL)
-		err(1, NULL);
-	snprintf(lineregexp, len, "^%s(%s%s)$",
-	    (regcomp_flags & REG_EXTENDED) ? "" : "\\", regexp,
-	    (regcomp_flags & REG_EXTENDED) ? "" : "\\");
-	rv = regcomp(&reg, lineregexp, REG_NOSUB|regcomp_flags|
-	    (icase ? REG_ICASE : 0));
-	free(lineregexp);
-	if (rv != 0) {
-		regerror(rv, &reg, errbuf, sizeof errbuf);
-		errx(1, "regexp %s: %s", regexp, errbuf);
-	}
-
-	new = palloc(type, f_regex);
-	new->regexp_data = reg;
-	return (new);
-}
-
-PLAN *
-c_regex(char ***argvp, int isok, char *opt)
-{
-
-	return (c_regex_common(argvp, isok, N_REGEX, false));
-}
-
-PLAN *
-c_iregex(char ***argvp, int isok, char *opt)
-{
-
-	return (c_regex_common(argvp, isok, N_IREGEX, true));
-}
-
-/*
- * -since "timestamp" functions --
- *
- *	True if the file modification time is greater than the timestamp value
- */
-int
-f_since(PLAN *plan, FTSENT *entry)
-{
-	COMPARE(entry->fts_statp->st_mtime, plan->t_data);
-}
-
-PLAN *
-c_since(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_SINCE, f_since);
-	new->t_data = find_parsedate(new, opt, arg);
-	new->flags = F_GREATER;
-	return (new);
-}
-
-/*
- * -size n[c] functions --
- *
- *	True if the file size in bytes, divided by an implementation defined
- *	value and rounded up to the next integer, is n.  If n is followed by
- *	a c, the size is in bytes.
- */
-#define	FIND_SIZE	512
-static int divsize = 1;
-
-int
-f_size(PLAN *plan, FTSENT *entry)
-{
-	off_t size;
-
-	size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
-	    FIND_SIZE : entry->fts_statp->st_size;
-	COMPARE(size, plan->o_data);
-}
-
-PLAN *
-c_size(char ***argvp, int isok, char *opt)
-{
-	char *arg = **argvp;
-	PLAN *new;
-	char endch;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_SIZE, f_size);
-	endch = 'c';
-	new->o_data = find_parsenum(new, opt, arg, &endch);
-	if (endch == 'c')
-		divsize = 0;
-	return (new);
-}
-
-/*
- * -type c functions --
- *
- *	True if the type of the file is c, where c is b, c, d, p, f or w
- *	for block special file, character special file, directory, FIFO,
- *	regular file or whiteout respectively.
- */
-int
-f_type(PLAN *plan, FTSENT *entry)
-{
-
-	return ((entry->fts_statp->st_mode & S_IFMT) == plan->m_data);
-}
-
-PLAN *
-c_type(char ***argvp, int isok, char *opt)
-{
-	char *typestring = **argvp;
-	PLAN *new;
-	mode_t  mask = (mode_t)0;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	switch (typestring[0]) {
-	case 'b':
-		mask = S_IFBLK;
-		break;
-	case 'c':
-		mask = S_IFCHR;
-		break;
-	case 'd':
-		mask = S_IFDIR;
-		break;
-	case 'f':
-		mask = S_IFREG;
-		break;
-	case 'l':
-		mask = S_IFLNK;
-		break;
-	case 'p':
-		mask = S_IFIFO;
-		break;
-	case 's':
-		mask = S_IFSOCK;
-		break;
-#ifdef S_IFWHT
-	case 'W':
-	case 'w':
-		mask = S_IFWHT;
-#ifdef FTS_WHITEOUT
-		ftsoptions |= FTS_WHITEOUT;
-#endif
-		break;
-#endif /* S_IFWHT */
-	default:
-		errx(1, "%s: %s: unknown type", opt, typestring);
-	}
-
-	new = palloc(N_TYPE, f_type);
-	new->m_data = mask;
-	return (new);
-}
-
-/*
- * -user uname functions --
- *
- *	True if the file belongs to the user uname.  If uname is numeric and
- *	an equivalent of the getpwnam() S9.2.2 [POSIX.1] function does not
- *	return a valid user name, uname is taken as a user ID.
- */
-int
-f_user(PLAN *plan, FTSENT *entry)
-{
-
-	COMPARE(entry->fts_statp->st_uid, plan->u_data);
-}
-
-PLAN *
-c_user(char ***argvp, int isok, char *opt)
-{
-	char *username = **argvp;
-	PLAN *new;
-	struct passwd *p;
-	uid_t uid;
-
-	(*argvp)++;
-	ftsoptions &= ~FTS_NOSTAT;
-
-	new = palloc(N_USER, f_user);
-	p = getpwnam(username);
-	if (p == NULL) {
-		if (atoi(username) == 0 && username[0] != '0' &&
-		    strcmp(username, "+0") && strcmp(username, "-0"))
-			errx(1, "%s: %s: no such user", opt, username);
-		uid = find_parsenum(new, opt, username, NULL);
-
-	} else {
-		new->flags = F_EQUAL;
-		uid = p->pw_uid;
-	}
-
-	new->u_data = uid;
-	return (new);
-}
-
-/*
- * -xdev functions --
- *
- *	Always true, causes find not to descend past directories that have a
- *	different device ID (st_dev, see stat() S5.6.2 [POSIX.1])
- */
-PLAN *
-c_xdev(char ***argvp, int isok, char *opt)
-{
-	ftsoptions |= FTS_XDEV;
-
-	return (palloc(N_XDEV, f_always_true));
-}
-
-/*
- * ( expression ) functions --
- *
- *	True if expression is true.
- */
-int
-f_expr(PLAN *plan, FTSENT *entry)
-{
-	PLAN *p;
-	int state;
-
-	state = 0;
-	for (p = plan->p_data[0];
-	    p && (state = (p->eval)(p, entry)); p = p->next);
-	return (state);
-}
-
-/*
- * N_OPENPAREN and N_CLOSEPAREN nodes are temporary place markers.  They are
- * eliminated during phase 2 of find_formplan() --- the '(' node is converted
- * to a N_EXPR node containing the expression and the ')' node is discarded.
- */
-PLAN *
-c_openparen(char ***argvp, int isok, char *opt)
-{
-
-	return (palloc(N_OPENPAREN, (int (*)(PLAN *, FTSENT *))-1));
-}
-
-PLAN *
-c_closeparen(char ***argvp, int isok, char *opt)
-{
-
-	return (palloc(N_CLOSEPAREN, (int (*)(PLAN *, FTSENT *))-1));
-}
-
-/*
- * ! expression functions --
- *
- *	Negation of a primary; the unary NOT operator.
- */
-int
-f_not(PLAN *plan, FTSENT *entry)
-{
-	PLAN *p;
-	int state;
-
-	state = 0;
-	for (p = plan->p_data[0];
-	    p && (state = (p->eval)(p, entry)); p = p->next);
-	return (!state);
-}
-
-PLAN *
-c_not(char ***argvp, int isok, char *opt)
-{
-
-	return (palloc(N_NOT, f_not));
-}
-
-/*
- * expression -o expression functions --
- *
- *	Alternation of primaries; the OR operator.  The second expression is
- * not evaluated if the first expression is true.
- */
-int
-f_or(PLAN *plan, FTSENT *entry)
-{
-	PLAN *p;
-	int state;
-
-	state = 0;
-	for (p = plan->p_data[0];
-	    p && (state = (p->eval)(p, entry)); p = p->next);
-
-	if (state)
-		return (1);
-
-	for (p = plan->p_data[1];
-	    p && (state = (p->eval)(p, entry)); p = p->next);
-	return (state);
-}
-
-PLAN *
-c_or(char ***argvp, int isok, char *opt)
-{
-
-	return (palloc(N_OR, f_or));
-}
-
-PLAN *
-c_null(char ***argvp, int isok, char *opt)
-{
-
-	return (NULL);
-}
-
-
-/*
- * plan_cleanup --
- *	Check and see if the specified plan has any residual state,
- *	and if so, clean it up as appropriate.
- *
- *	At the moment, only N_EXEC has state. Two kinds: 1)
- * 	lists of files to feed to subprocesses 2) State on exit
- *	statusses of past subprocesses.
- */
-/* ARGSUSED1 */
-int
-plan_cleanup(PLAN *plan, void *arg)
-{
-	if (plan->type==N_EXEC && plan->ep_narg)
-		run_f_exec(plan);
-
-	return plan->ep_rval;		/* Passed save exit-status up chain */
-}
-
-static PLAN *
-palloc(enum ntype t, int (*f)(PLAN *, FTSENT *))
-{
-	PLAN *new;
-
-	if ((new = malloc(sizeof(PLAN))) == NULL)
-		err(1, NULL);
-	memset(new, 0, sizeof(PLAN));
-	new->type = t;
-	new->eval = f;
-	return (new);
-}