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
34 * $FreeBSD: src/usr.bin/sed/defs.h,v 1.8 2009/05/25 06:45:33 brian Exp $
38 * Types of address specifications
41 AT_RE = 1, /* Line that match RE */
42 AT_LINE, /* Specific line */
43 AT_RELLINE, /* Relative line */
44 AT_LAST, /* Last line */
48 * Format of an address
51 enum e_atype type; /* Address type */
53 u_long l; /* Line number */
54 regex_t *r; /* Regular expression */
59 * Substitution command
62 int n; /* Occurrence to subst. */
63 int p; /* True if p flag */
64 int icase; /* True if I flag */
65 char *wfile; /* NULL if no wfile */
66 int wfd; /* Cached file descriptor */
67 regex_t *re; /* Regular expression */
68 unsigned int maxbref; /* Largest backreference. */
69 u_long linenum; /* Line number. */
70 char *new; /* Replacement text */
77 unsigned char bytetab[256];
80 char from[MB_LEN_MAX];
88 * An internally compiled command.
89 * Initialy, label references are stored in t, on a second pass they
90 * are updated to pointers.
93 struct s_command *next; /* Pointer to next command */
94 struct s_addr *a1, *a2; /* Start and end address */
95 u_long startline; /* Start line number or zero */
96 char *t; /* Text for : a c i r w */
98 struct s_command *c; /* Command(s) for b t { */
99 struct s_subst *s; /* Substitute command */
100 struct s_tr *y; /* Replace command array */
101 int fd; /* File descriptor for w */
103 char code; /* Command code */
104 u_int nonsel:1; /* True if ! */
108 * Types of command arguments recognised by the parser
111 EMPTY, /* d D g G h H l n N p P q x = \0 */
126 * Structure containing things to append before a line is read
129 enum {AP_STRING, AP_FILE} type;
135 APPEND, /* Append to the contents. */
136 REPLACE, /* Replace the contents. */
140 * Structure for a space (process, hold, otherwise).
143 char *space; /* Current space pointer. */
144 size_t len; /* Current length. */
145 int deleted; /* If deleted. */
146 int append_newline; /* If originally terminated by \n. */
147 char *back; /* Backing memory. */
148 size_t blen; /* Backing memory length. */