19b50d902SRodney W. Grimes /*- 28a16b7a1SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 38a16b7a1SPedro F. Giffuni * 49b50d902SRodney W. Grimes * Copyright (c) 1992 Diomidis Spinellis. 59b50d902SRodney W. Grimes * Copyright (c) 1992, 1993 69b50d902SRodney W. Grimes * The Regents of the University of California. All rights reserved. 79b50d902SRodney W. Grimes * 89b50d902SRodney W. Grimes * This code is derived from software contributed to Berkeley by 99b50d902SRodney W. Grimes * Diomidis Spinellis of Imperial College, University of London. 109b50d902SRodney W. Grimes * 119b50d902SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 129b50d902SRodney W. Grimes * modification, are permitted provided that the following conditions 139b50d902SRodney W. Grimes * are met: 149b50d902SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 159b50d902SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 169b50d902SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 179b50d902SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 189b50d902SRodney W. Grimes * documentation and/or other materials provided with the distribution. 19fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 209b50d902SRodney W. Grimes * may be used to endorse or promote products derived from this software 219b50d902SRodney W. Grimes * without specific prior written permission. 229b50d902SRodney W. Grimes * 239b50d902SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 249b50d902SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 259b50d902SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 269b50d902SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 279b50d902SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 289b50d902SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 299b50d902SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 309b50d902SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 319b50d902SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 329b50d902SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 339b50d902SRodney W. Grimes * SUCH DAMAGE. 349b50d902SRodney W. Grimes */ 359b50d902SRodney W. Grimes 369b50d902SRodney W. Grimes extern struct s_command *prog; 379b50d902SRodney W. Grimes extern struct s_appends *appends; 389b50d902SRodney W. Grimes extern regmatch_t *match; 399b50d902SRodney W. Grimes extern size_t maxnsub; 409b50d902SRodney W. Grimes extern u_long linenum; 410649b670SPedro F. Giffuni extern unsigned int appendnum; 429b50d902SRodney W. Grimes extern int aflag, eflag, nflag; 43f54cda14SDag-Erling Smørgrav extern const char *fname, *outfname; 44f54cda14SDag-Erling Smørgrav extern FILE *infile, *outfile; 45d249b175SBrian Feldman extern int rflags; /* regex flags to use */ 46*b4805026SMark Johnston extern const char *inplace; 47*b4805026SMark Johnston extern int quit; 489b50d902SRodney W. Grimes 49249a8a80SPedro F. Giffuni void cfclose(struct s_command *, struct s_command *); 503f330d7dSWarner Losh void compile(void); 51dfb072f4STim J. Robbins void cspace(SPACE *, const char *, size_t, enum e_spflag); 52249a8a80SPedro F. Giffuni char *cu_fgets(char *, int, int *); 533f330d7dSWarner Losh int mf_fgets(SPACE *, enum e_spflag); 548523e9a6STim J. Robbins int lastline(void); 553f330d7dSWarner Losh void process(void); 5626a5710cSYaroslav Tykhiy void resetstate(void); 57249a8a80SPedro F. Giffuni char *strregerror(int, regex_t *); 58