extern.h revision 1.17 
1/*	$NetBSD: extern.h,v 1.17 2015/03/01 00:51:08 asau Exp $	*/
2
3/*-
4 * Copyright (c) 1992 Diomidis Spinellis.
5 * Copyright (c) 1992, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Diomidis Spinellis of Imperial College, University of London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)extern.h	8.1 (Berkeley) 6/6/93
36 * $FreeBSD: head/usr.bin/sed/extern.h 170608 2007-06-12 12:05:24Z yar $
37 */
38
39/*
40 * Linked list of units (strings and files) to be compiled
41 */
42struct s_compunit {
43	struct s_compunit *next;
44	enum e_cut {CU_FILE, CU_STRING} type;
45	char *s;			/* Pointer to string or fname */
46};
47
48/*
49 * Linked list of files to be processed
50 */
51struct s_flist {
52	char *fname;
53	struct s_flist *next;
54};
55
56extern struct s_compunit *script;
57extern struct s_flist *files;
58extern struct s_command *prog;
59extern size_t maxnsub;
60extern size_t appendnum;
61extern int aflag, nflag;
62extern int ispan;
63extern int rflags;	/* regex flags to use */
64
65void	 cfclose(struct s_command *, struct s_command *);
66void	 compile(void);
67void	 cspace(SPACE *, const char *, size_t, enum e_spflag);
68int	 process(void);
69void	 resetstate(void);
70char	*strregerror(int, regex_t *);
71void	*xmalloc(size_t);
72void	*xrealloc(void *, size_t);
73void	*xcalloc(size_t, size_t);
74