blob: 40e55c9749bc54197967f25851e4fbcffd9bbd0a (
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
|
# /* This is file ISATTY.S */
# /*
# ** Copyright (C) 1991 DJ Delorie
# **
# ** This file is distributed under the terms listed in the document
# ** "copying.dj".
# ** A copy of "copying.dj" should accompany this file; if not, a copy
# ** should be available from where this file was obtained. This file
# ** may not be distributed without a verbatim copy of "copying.dj".
# **
# ** This file is distributed WITHOUT ANY WARRANTY; without even the implied
# ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# */
.text
.globl _isatty
_isatty:
pushl %ebx
pushl %esi
pushl %edi
movl 16(%esp),%ebx
movw $0x4400,%ax
int $0x21
popl %edi
popl %esi
popl %ebx
movl $0,%eax
jb tf
testl $0x80,%edx
jz tf
movl $1,%eax
tf:
ret
|
