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 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * @(#)defs.h 8.1 (Berkeley) 6/6/93
41 * Types of address specifications
44 AT_RE, /* Line that match RE */
45 AT_LINE, /* Specific line */
46 AT_LAST, /* Last line */
50 * Format of an address
53 enum e_atype type; /* Address type */
55 u_long l; /* Line number */
56 regex_t *r; /* Regular expression */
61 * Substitution command
64 int n; /* Occurrence to subst. */
65 int p; /* True if p flag */
66 char *wfile; /* NULL if no wfile */
67 int wfd; /* Cached file descriptor */
68 regex_t *re; /* Regular expression */
69 int maxbref; /* Largest backreference. */
70 u_long linenum; /* Line number. */
71 char *new; /* Replacement text */
76 * An internally compiled command.
77 * Initialy, label references are stored in t, on a second pass they
78 * are updated to pointers.
81 struct s_command *next; /* Pointer to next command */
82 struct s_addr *a1, *a2; /* Start and end address */
83 char *t; /* Text for : a c i r w */
85 struct s_command *c; /* Command(s) for b t { */
86 struct s_subst *s; /* Substitute command */
87 u_char *y; /* Replace command array */
88 int fd; /* File descriptor for w */
90 char code; /* Command code */
91 u_int nonsel:1; /* True if ! */
92 u_int inrange:1; /* True if in range */
96 * Types of command arguments recognised by the parser
99 EMPTY, /* d D g G h H l n N p P q x = \0 */
114 * Structure containing things to append before a line is read
117 enum {AP_STRING, AP_FILE} type;
123 APPEND, /* Append to the contents. */
124 REPLACE, /* Replace the contents. */
128 * Structure for a space (process, hold, otherwise).
131 char *space; /* Current space pointer. */
132 size_t len; /* Current length. */
133 int deleted; /* If deleted. */
134 char *back; /* Backing memory. */
135 size_t blen; /* Backing memory length. */