1 /*-
2  * Copyright (c) 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Cimarron D. Taylor of the University of California, Berkeley.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)find.h	5.8 (Berkeley) 5/24/91
37  */
38 
39 #ifndef _FSP_FIND_H_
40 #define _FSP_FIND_H_ 1
41 
42 /* node type */
43 enum ntype {
44 	N_AND = 1, 				/* must start > 0 */
45 	N_TIME, N_CLOSEPAREN, N_EXEC, N_EXPR,
46 	N_LS, N_NAME, N_NEWER,
47 	N_NOT, N_OK, N_OPENPAREN, N_OR, N_PRINT,
48 	N_PRUNE, N_SIZE, N_TYPE
49 };
50 
51 /* node definition */
52 typedef struct _plandata {
53 	struct _plandata *next;			/* next node */
54 	int (*eval) (struct _plandata *, struct stat *, char *);  /* node evaluation function */
55 	int flags;				/* private flags */
56 	enum ntype type;			/* plan node type */
57 	union {
58 		gid_t _g_data;			/* gid */
59 		ino_t _i_data;			/* inode */
60 		mode_t _m_data;			/* mode mask */
61 		nlink_t _l_data;		/* link count */
62 		off_t _o_data;			/* file size */
63 		time_t _t_data;			/* time value */
64 		uid_t _u_data;			/* uid */
65 		struct _plandata *_p_data[2];	/* PLAN trees */
66 		struct _ex {
67 			char **_e_argv;		/* argv array */
68 			char **_e_orig;		/* original strings */
69 			int *_e_len;		/* allocated length */
70 		} ex;
71 		char *_a_data[2];		/* array of char pointers */
72 		char *_c_data;			/* char pointer */
73 	} p_un;
74 #define	a_data	p_un._a_data
75 #define	c_data	p_un._c_data
76 #define	i_data	p_un._i_data
77 #define	g_data	p_un._g_data
78 #define	l_data	p_un._l_data
79 #define	m_data	p_un._m_data
80 #define	o_data	p_un._o_data
81 #define	p_data	p_un._p_data
82 #define	t_data	p_un._t_data
83 #define	u_data	p_un._u_data
84 #define	e_argv	p_un.ex._e_argv
85 #define	e_orig	p_un.ex._e_orig
86 #define	e_len	p_un.ex._e_len
87 } PLAN;
88 
89 typedef struct _option {
90   const char *name;           /* option name */
91   enum ntype token;     /* token type */
92   PLAN *(*create)();    /* create function */
93 #define O_NONE          0x01    /* no call required */
94 #define O_ZERO          0x02    /* pass: nothing */
95 #define O_ARGV          0x04    /* pass: argv, increment argv */
96 #define O_ARGVP         0x08    /* pass: *argv, N_OK || N_EXEC */
97   int flags;
98 } OPTION;
99 
100 /* find.c */
101 void find_formplan (char **);
102 
103 /* fnmatch.c */
104 int fnmatch (register char *, register char *);
105 
106 /* function.c */
107 PLAN * c_time (char *);
108 PLAN *c_exec (char ***, int);
109 PLAN *c_ls (void);
110 PLAN *c_name (char *);
111 PLAN *c_newer (char *);
112 PLAN *c_print (void);
113 PLAN *c_prune (void);
114 PLAN *c_size (char *);
115 PLAN *c_type (char *);
116 int find_expr (PLAN *, struct stat *, char *);
117 PLAN *c_openparen (void);
118 PLAN *c_closeparen (void);
119 PLAN *c_not (void);
120 PLAN *c_or (void);
121 
122 /* operator.c */
123 PLAN *paren_squish (PLAN *);
124 PLAN *not_squish (PLAN *);
125 PLAN *or_squish (PLAN *);
126 
127 /* options.c */
128 PLAN *find_create (char ***);
129 OPTION *option (char *);
130 
131 #endif /* _FSP_FIND_H_ */
132