1 /*
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright © 2021 Keith Packard
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above
14  *    copyright notice, this list of conditions and the following
15  *    disclaimer in the documentation and/or other materials provided
16  *    with the distribution.
17  *
18  * 3. Neither the name of the copyright holder nor the names of its
19  *    contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
33  * OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 #include <fcntl.h>
39 #include <unistd.h>
40 #include <string.h>
41 #include <errno.h>
42 #include "opal.h"
43 
44 ssize_t
read(int fd,void * buf,size_t count)45 read(int fd, void *buf, size_t count)
46 {
47         (void) fd;
48         (void) buf;
49         (void) count;
50 	return 0;
51 }
52 
53 ssize_t
write(int fd,const void * buf,size_t count)54 write(int fd, const void *buf, size_t count)
55 {
56         (void) fd;
57         opal_console_write(0, count, buf);
58 	return count;
59 }
60 
61 int
open(const char * pathname,int flags,...)62 open(const char *pathname, int flags, ...)
63 {
64         (void) pathname;
65         (void) flags;
66 	return -1;
67 }
68 
69 int
close(int fd)70 close(int fd)
71 {
72         (void) fd;
73 	return 0;
74 }
75 
lseek(int fd,off_t offset,int whence)76 off_t lseek(int fd, off_t offset, int whence)
77 {
78         (void) fd;
79         (void) offset;
80         (void) whence;
81 	return (off_t) -1;
82 }
83 
lseek64(int fd,_off64_t offset,int whence)84 _off64_t lseek64(int fd, _off64_t offset, int whence)
85 {
86 	return (_off64_t) lseek(fd, (off_t) offset, whence);
87 }
88 
89 int
unlink(const char * pathname)90 unlink(const char *pathname)
91 {
92         (void) pathname;
93 	return 0;
94 }
95 
96 int
fstat(int fd,struct stat * sbuf)97 fstat (int fd, struct stat *sbuf)
98 {
99         (void) fd;
100         (void) sbuf;
101 	return -1;
102 }
103 
104 int
isatty(int fd)105 isatty (int fd)
106 {
107         (void) fd;
108 	return 1;
109 }
110