blob: 48af4d4a6c65aa60f31a6496bb1cb96a0de0af7f (
plain)
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
|
/* Output colorization.
Copyright 2011 Free Software Foundation, Inc.
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 3, or (at your option)
any later version.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#include <config.h>
#include "colorize.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* Return non-zero if we should highlight matches in output to file
descriptor FD. */
int
should_colorize (int fd)
{
if (! isatty (fd))
return 0;
else
{
char const *t = getenv ("TERM");
return t && strcmp (t, "dumb") != 0;
}
}
|