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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''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 RED HAT OR
* CONTRIBUTORS 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 NBDKIT_ANSI_COLOURS_H
#define NBDKIT_ANSI_COLOURS_H
#include <stdbool.h>
/* For the ansi_* functions, the main program should declare this
* variable, and initialize it in main() / option parsing. See
* libnbd.git/dump/dump.c for an example of how to initialize it.
*/
extern bool colour;
/* Restore the terminal colours to the default.
*
* As well as doing this before normal exit, you should also set a
* signal handler which calls this and fflush(fp). See
* libnbd.git/dump/dump.c for an example.
*/
static inline void
ansi_restore (FILE *fp)
{
if (colour)
fputs ("\033[0m", fp);
}
/* Set the terminal colour. */
static inline void
ansi_colour (const char *c, FILE *fp)
{
if (colour)
fprintf (fp, "\033[%sm", c);
}
#define ANSI_FG_BOLD_BLACK "1;30"
#define ANSI_FG_BLUE "22;34"
#define ANSI_FG_BRIGHT_BLUE "1;34"
#define ANSI_FG_BRIGHT_CYAN "1;36"
#define ANSI_FG_BRIGHT_GREEN "1;32"
#define ANSI_FG_BRIGHT_MAGENTA "1;35"
#define ANSI_FG_BRIGHT_RED "1;31"
#define ANSI_FG_BRIGHT_WHITE "1;37"
#define ANSI_FG_BRIGHT_YELLOW "1;33"
#define ANSI_FG_CYAN "22;36"
#define ANSI_FG_GREEN "22;32"
#define ANSI_FG_GREY "22;90"
#define ANSI_FG_MAGENTA "22;35"
#define ANSI_FG_RED "22;31"
#define ANSI_FG_YELLOW "22;33"
#define ANSI_BG_BLACK "40"
#define ANSI_BG_LIGHT_GREY "47"
#define ANSI_BG_GREY "100"
/* Unconditional versions of above (don't depend on global ‘colour’). */
static inline void
ansi_force_restore (FILE *fp)
{
fputs ("\033[0m", fp);
}
static inline void
ansi_force_colour (const char *c, FILE *fp)
{
fprintf (fp, "\033[%sm", c);
}
#endif /* NBDKIT_ANSI_COLOURS_H */
|
