1 /*
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright © 2022 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 
43 ssize_t
read(int fd,void * buf,size_t count)44 read(int fd, void *buf, size_t count)
45 {
46         (void) fd;
47         (void) buf;
48         (void) count;
49 	return 0;
50 }
51 
52 ssize_t
write(int fd,const void * buf,size_t count)53 write(int fd, const void *buf, size_t count)
54 {
55         (void) fd;
56         (void) buf;
57 	return (ssize_t) count;
58 }
59 
60 int
open(const char * pathname,int flags,...)61 open(const char *pathname, int flags, ...)
62 {
63         (void) pathname;
64         (void) flags;
65 	return -1;
66 }
67 
68 int
close(int fd)69 close(int fd)
70 {
71         (void) fd;
72 	return 0;
73 }
74 
lseek(int fd,off_t offset,int whence)75 off_t lseek(int fd, off_t offset, int whence)
76 {
77         (void) fd;
78         (void) offset;
79         (void) whence;
80 	return (off_t) -1;
81 }
82 
lseek64(int fd,_off64_t offset,int whence)83 _off64_t lseek64(int fd, _off64_t offset, int whence)
84 {
85 	return (_off64_t) lseek(fd, (off_t) offset, whence);
86 }
87 
88 int
unlink(const char * pathname)89 unlink(const char *pathname)
90 {
91         (void) pathname;
92 	return 0;
93 }
94 
95 int
fstat(int fd,struct stat * sbuf)96 fstat (int fd, struct stat *sbuf)
97 {
98         (void) fd;
99         (void) sbuf;
100 	return -1;
101 }
102 
103 int
isatty(int fd)104 isatty (int fd)
105 {
106         (void) fd;
107 	return 1;
108 }
109