1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/* show functions, for libreswan
*
* Copyright (C) 2020 Andrew Cagney
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef SHOW_H
#define SHOW_H
/*
* Try to deal with the separator (aka blank line or spacer) problem
* in show output.
*/
struct show;
enum rc_type;
struct show *alloc_show(struct logger *logger);
void free_show(struct show **s);
/* underlying global logger formed by alloc_show() */
struct logger *show_logger(struct show *s);
/*
* output primitives: access the internal jambuf; show the contents of
* a jambuf.
*/
struct jambuf *show_jambuf(struct show *s);
void jambuf_to_show(struct jambuf *jambuf, struct show *s, enum rc_type rc);
#define SHOW_JAMBUF(RC, S, BUF) \
for (struct jambuf *BUF = show_jambuf(s); \
BUF != NULL; \
jambuf_to_show(BUF, S, RC), BUF = NULL)
/*
* Flag that the next line needs to be preceded by a separator (aka
* blank line). For instance:
*
* struct show *s = new_show(whackfd);
* show_separator(s);
* show_comment(s, "heading 1");
* show_separator(s);
* show_separator(s);
* show_comment(s, "heading 2");
* show_separator(s);
* free_show(&s);
*
* will output:
*
* line 1
* <blank>
* line 2
* <blank>
*
*/
void show_separator(struct show *s);
/*
* If necessary show the separator (aka blank line), and then show the
* message. Suppress further separation.
*
* "comment" comes from RC_COMMENT, better name?
*/
void show_comment(struct show *s, const char *message, ...) PRINTF_LIKE(2);
/*
* A raw line (no prefix).
*/
void show_raw(struct show *s, const char *message, ...) PRINTF_LIKE(2);
#endif
|
