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 #define _GNU_SOURCE
37 #include <sys/types.h>
38 #include <sys/stat.h>
39 #include <fcntl.h>
40 #include <unistd.h>
41 #include <string.h>
42 #include <errno.h>
43 #include "opal.h"
44 
45 ssize_t
read(int fd,void * buf,size_t count)46 read(int fd, void *buf, size_t count)
47 {
48         (void) fd;
49         (void) buf;
50         (void) count;
51 	return 0;
52 }
53 
54 ssize_t
write(int fd,const void * buf,size_t count)55 write(int fd, const void *buf, size_t count)
56 {
57         (void) fd;
58         opal_console_write(0, count, buf);
59 	return count;
60 }
61 
62 int
open(const char * pathname,int flags,...)63 open(const char *pathname, int flags, ...)
64 {
65         (void) pathname;
66         (void) flags;
67 	return -1;
68 }
69 
70 int
close(int fd)71 close(int fd)
72 {
73         (void) fd;
74 	return 0;
75 }
76 
lseek(int fd,off_t offset,int whence)77 off_t lseek(int fd, off_t offset, int whence)
78 {
79         (void) fd;
80         (void) offset;
81         (void) whence;
82 	return (off_t) -1;
83 }
84 
lseek64(int fd,_off64_t offset,int whence)85 _off64_t lseek64(int fd, _off64_t offset, int whence)
86 {
87 	return (_off64_t) lseek(fd, (off_t) offset, whence);
88 }
89 
90 int
unlink(const char * pathname)91 unlink(const char *pathname)
92 {
93         (void) pathname;
94 	return 0;
95 }
96 
97 int
fstat(int fd,struct stat * sbuf)98 fstat (int fd, struct stat *sbuf)
99 {
100         (void) fd;
101         (void) sbuf;
102 	return -1;
103 }
104 
105 int
isatty(int fd)106 isatty (int fd)
107 {
108         (void) fd;
109 	return 1;
110 }
111