2 Copyright (c) 2013 Andes Technology Corporation.
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
8 Redistributions of source code must retain the above copyright
9 notice, this list of conditions and the following disclaimer.
11 Redistributions in binary form must reproduce the above copyright
12 notice, this list of conditions and the following disclaimer in the
13 documentation and/or other materials provided with the distribution.
15 The name of the company may not be used to endorse or promote
16 products derived from this software without specific prior written
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
23 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 int isatty(int fildes);
35 The isatty() function shall return 1 if fildes is associated with
36 a terminal; otherwise, it shall return 0 and may set errno
37 to indicate the error.
43 TYPE0 _isatty, VH_ISATTY
45 #else /* not __NDS32_VH__ */
47 #include "../syscall.h"
48 #include "syscall_extra.h"
51 .type _isatty, @function
54 syscall SYS_isatty /* Make syscall with SWID=`SYS_isatty'.
55 Reture value `0' stored in $r0 means
56 there is something wrong. */
57 bnez $r0, 1f /* Branch if success. */
58 syscall SYS_geterr /* There is something wrong. */
60 swi $r0, [$r15] /* Set errno. */
64 .size _isatty, .-_isatty
66 #endif /* not __NDS32_VH__ */