xref: /openbsd/usr.bin/rcs/rcsutil.h (revision 73471bf0)
1 /*	$OpenBSD: rcsutil.h,v 1.15 2016/07/04 01:39:12 millert Exp $	*/
2 /*
3  * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef RCSUTIL_H
28 #define RCSUTIL_H
29 
30 #include "rcs.h"
31 
32 struct rcs_line {
33 	u_char			*l_line;
34 	int			 l_lineno;
35 	size_t			 l_len;
36 	TAILQ_ENTRY(rcs_line)	 l_list;
37 };
38 
39 TAILQ_HEAD(tqh, rcs_line);
40 
41 struct rcs_lines {
42 	int		 l_nblines;
43 	struct tqh	 l_lines;
44 };
45 
46 struct rcs_argvector {
47 	char *str;
48 	char **argv;
49 };
50 
51 /* rcsutil.c */
52 int			 rcs_getopt(int, char **, const char *);
53 void			 rcs_set_mtime(RCSFILE *, time_t);
54 int			 rcs_choosefile(const char *, char *, size_t);
55 time_t			 rcs_get_mtime(RCSFILE *);
56 RCSNUM			*rcs_getrevnum(const char *, RCSFILE *);
57 char			*rcs_prompt(const char *, int);
58 u_int			 rcs_rev_select(RCSFILE *, const char *);
59 int			 rcs_set_description(RCSFILE *, const char *, int);
60 void			 rcs_setrevstr(char **, char *);
61 void			 rcs_setrevstr2(char **, char **, char *);
62 BUF			*rcs_patchfile(u_char *, size_t, u_char *, size_t,
63 			    int (*p)(struct rcs_lines *,struct rcs_lines *));
64 struct rcs_lines	*rcs_splitlines(u_char *, size_t);
65 void			 rcs_freelines(struct rcs_lines *);
66 int			 rcs_yesno(int);
67 struct rcs_argvector	*rcs_strsplit(const char *, const char *);
68 void			 rcs_argv_destroy(struct rcs_argvector *);
69 void			 rcs_strip_suffix(char *);
70 
71 #endif	/* RCSUTIL_H */
72