2 * Copyright (c) 1992 Diomidis Spinellis.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
7 * Diomidis Spinellis of Imperial College, University of London.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)defs.h 8.1 (Berkeley) 6/6/93
38 * Types of address specifications
41 AT_RE, /* Line that match RE */
42 AT_LINE, /* Specific line */
43 AT_LAST, /* Last line */
47 * Format of an address
50 enum e_atype type; /* Address type */
52 u_long l; /* Line number */
53 regex_t *r; /* Regular expression */
58 * Substitution command
61 int n; /* Occurrence to subst. */
62 int p; /* True if p flag */
63 int icase; /* True if I flag */
64 char *wfile; /* NULL if no wfile */
65 int wfd; /* Cached file descriptor */
66 regex_t *re; /* Regular expression */
67 int maxbref; /* Largest backreference. */
68 u_long linenum; /* Line number. */
69 char *new; /* Replacement text */
76 unsigned char bytetab[256];
79 char from[MB_LEN_MAX];
87 * An internally compiled command.
88 * Initialy, label references are stored in t, on a second pass they
89 * are updated to pointers.
92 struct s_command *next; /* Pointer to next command */
93 struct s_addr *a1, *a2; /* Start and end address */
94 char *t; /* Text for : a c i r w */
96 struct s_command *c; /* Command(s) for b t { */
97 struct s_subst *s; /* Substitute command */
98 struct s_tr *y; /* Replace command array */
99 int fd; /* File descriptor for w */
101 char code; /* Command code */
102 u_int nonsel:1; /* True if ! */
103 u_int inrange:1; /* True if in range */
107 * Types of command arguments recognised by the parser
110 EMPTY, /* d D g G h H l n N p P q x = \0 */
125 * Structure containing things to append before a line is read
128 enum {AP_STRING, AP_FILE} type;
134 APPEND, /* Append to the contents. */
135 REPLACE, /* Replace the contents. */
139 * Structure for a space (process, hold, otherwise).
142 char *space; /* Current space pointer. */
143 size_t len; /* Current length. */
144 int deleted; /* If deleted. */
145 char *back; /* Backing memory. */
146 size_t blen; /* Backing memory length. */