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Become SUSv3 compatible and thus remove own regexp code The Heirloom tools can be compiled to comply to several standards. This version does not need this flexibility. We can omit the regexp code and use the system's, by using the SU3 variant of ed. This is the latest of the supported standards.
author markus schnalke <meillo@marmaro.de>
date Mon, 13 Apr 2015 17:26:51 +0200
parents ac52712b2b5e
children
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3:ac52712b2b5e 4:4165f1b57d18
1 /*
2 * Simple Regular Expression functions. Derived from Unix 7th Edition,
3 * /usr/src/cmd/expr.y
4 *
5 * Modified by Gunnar Ritter, Freiburg i. Br., Germany, January 2003.
6 *
7 * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * Redistributions of source code and documentation must retain the
13 * above copyright notice, this list of conditions and the following
14 * disclaimer.
15 * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed or owned by Caldera
21 * International, Inc.
22 * Neither the name of Caldera International, Inc. nor the names of
23 * other contributors may be used to endorse or promote products
24 * derived from this software without specific prior written permission.
25 *
26 * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
27 * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
28 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
29 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE
31 * LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
34 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
35 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
36 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
37 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /* Sccsid @(#)regexpr.h 1.2 (gritter) 1/11/03 */
41
42 #define NBRA 9
43
44 extern char *braslist[NBRA];
45 extern char *braelist[NBRA];
46 extern int nbra;
47 extern int regerrno, reglength;
48 extern char *loc1, *loc2, *locs;
49 extern int sed;
50
51 extern char *compile(const char *, char *, char *);
52 extern int step(const char *, const char *);
53 extern int advance(const char *, const char *);