xref: /plan9-contrib/sys/src/ape/lib/ap/plan9/isatty.c (revision d46c239f8612929b7dbade67d0d071633df3a15d)
1 #include "lib.h"
2 #include <string.h>
3 #include <sys/types.h>
4 #include <sys/stat.h>
5 #include "sys9.h"
6 #include "dir.h"
7 
8 int
9 _isatty(int fd)
10 {
11 	int t;
12 	char buf[64];
13 
14 	if(_FD2PATH(fd, buf, sizeof buf) < 0)
15 		return 0;
16 
17 	/* might be /mnt/term/dev/cons */
18 	return strlen(buf) >= 9 && strcmp(buf+strlen(buf)-9, "/dev/cons") == 0;
19 }
20 
21 /* The FD_ISTTY flag is set via _isatty in _fdsetup or open */
22 int
23 isatty(fd)
24 {
25 	if(_fdinfo[fd].flags&FD_ISTTY)
26 		return 1;
27 	else
28 		return 0;
29 }
30