/*      $OpenBSD: rcsutil.h,v 1.16 2023/08/11 05:02:21 guenther Exp $   */
/*
 * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RCSUTIL_H
#define RCSUTIL_H

#include "rcs.h"

struct rcs_line {
        u_char                  *l_line;
        int                      l_lineno;
        size_t                   l_len;
        TAILQ_ENTRY(rcs_line)    l_list;
};

TAILQ_HEAD(tqh, rcs_line);

struct rcs_lines {
        int              l_nblines;
        struct tqh       l_lines;
};

struct rcs_argvector {
        char *str;
        char **argv;
};

/* rcsutil.c */
int                      rcs_getopt(int, char **, const char *);
void                     rcs_set_mtime(RCSFILE *, struct timespec);
int                      rcs_choosefile(const char *, char *, size_t);
struct timespec          rcs_get_mtime(RCSFILE *);
RCSNUM                  *rcs_getrevnum(const char *, RCSFILE *);
char                    *rcs_prompt(const char *, int);
u_int                    rcs_rev_select(RCSFILE *, const char *);
int                      rcs_set_description(RCSFILE *, const char *, int);
void                     rcs_setrevstr(char **, char *);
void                     rcs_setrevstr2(char **, char **, char *);
BUF                     *rcs_patchfile(u_char *, size_t, u_char *, size_t,
                            int (*p)(struct rcs_lines *,struct rcs_lines *));
struct rcs_lines        *rcs_splitlines(u_char *, size_t);
void                     rcs_freelines(struct rcs_lines *);
int                      rcs_yesno(int);
struct rcs_argvector    *rcs_strsplit(const char *, const char *);
void                     rcs_argv_destroy(struct rcs_argvector *);
void                     rcs_strip_suffix(char *);

#endif  /* RCSUTIL_H */