find.h

来自「早期freebsd实现」· C头文件 代码 · 共 108 行

/*-
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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.
 *
 *	@(#)find.h	8.1 (Berkeley) 6/6/93
 */

/* node type */
enum ntype {
	N_AND = 1, 				/* must start > 0 */
	N_ATIME, N_CLOSEPAREN, N_CTIME, N_DEPTH, N_EXEC, N_EXPR, N_FOLLOW,
	N_FSTYPE, N_GROUP, N_INUM, N_LINKS, N_LS, N_MTIME, N_NAME, N_NEWER,
	N_NOGROUP, N_NOT, N_NOUSER, N_OK, N_OPENPAREN, N_OR, N_PATH,
	N_PERM, N_PRINT, N_PRUNE, N_SIZE, N_TYPE, N_USER, N_XDEV,
};

/* node definition */
typedef struct _plandata {
	struct _plandata *next;			/* next node */
	int (*eval)				/* node evaluation function */
	    __P((struct _plandata *, FTSENT *));
#define	F_EQUAL		1			/* [acm]time inum links size */
#define	F_LESSTHAN	2
#define	F_GREATER	3
#define	F_NEEDOK	1			/* exec ok */
#define	F_MTFLAG	1			/* fstype */
#define	F_MTTYPE	2
#define	F_ATLEAST	1			/* perm */
	int flags;				/* private flags */
	enum ntype type;			/* plan node type */
	union {
		gid_t _g_data;			/* gid */
		ino_t _i_data;			/* inode */
		mode_t _m_data;			/* mode mask */
		nlink_t _l_data;		/* link count */
		off_t _o_data;			/* file size */
		time_t _t_data;			/* time value */
		uid_t _u_data;			/* uid */
		short _mt_data;			/* mount flags */
		struct _plandata *_p_data[2];	/* PLAN trees */
		struct _ex {
			char **_e_argv;		/* argv array */
			char **_e_orig;		/* original strings */
			int *_e_len;		/* allocated length */
		} ex;
		char *_a_data[2];		/* array of char pointers */
		char *_c_data;			/* char pointer */
	} p_un;
} PLAN;
#define	a_data	p_un._a_data
#define	c_data	p_un._c_data
#define	i_data	p_un._i_data
#define	g_data	p_un._g_data
#define	l_data	p_un._l_data
#define	m_data	p_un._m_data
#define	mt_data	p_un._mt_data
#define	o_data	p_un._o_data
#define	p_data	p_un._p_data
#define	t_data	p_un._t_data
#define	u_data	p_un._u_data
#define	e_argv	p_un.ex._e_argv
#define	e_orig	p_un.ex._e_orig
#define	e_len	p_un.ex._e_len

typedef struct _option {
	char *name;			/* option name */
	enum ntype token;		/* token type */
	PLAN *(*create)();		/* create function: DON'T PROTOTYPE! */
#define	O_NONE		0x01		/* no call required */
#define	O_ZERO		0x02		/* pass: nothing */
#define	O_ARGV		0x04		/* pass: argv, increment argv */
#define	O_ARGVP		0x08		/* pass: *argv, N_OK || N_EXEC */
	int flags;
} OPTION;

#include "extern.h"