1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /*
3  * Copyright (c) 1982, 1986, 1993
4  * The Regents of the University of California.  All rights reserved.
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  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. 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.
14  * 3. Neither the name of the University nor the names of its contributors
15  * may be used to endorse or promote products derived from this software
16  * without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 #ifndef ZEPHYR_POSIX_SYS_STAT_H_
31 #define ZEPHYR_POSIX_SYS_STAT_H_
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 #include <time.h>
38 #include <sys/cdefs.h>
39 
40 #include <zephyr/posix/posix_types.h>
41 
42 /* dj's stat defines _STAT_H_ */
43 #ifndef _STAT_H_
44 
45 /*
46  * It is intended that the layout of this structure not change when the
47  * sizes of any of the basic types change (short, int, long) [via a compile
48  * time option].
49  */
50 
51 #ifdef __CYGWIN__
52 #include <cygwin/stat.h>
53 #ifdef _LIBC
54 #define stat64 stat
55 #endif
56 #else
57 struct stat {
58 	dev_t st_dev;
59 	ino_t st_ino;
60 	mode_t st_mode;
61 	nlink_t st_nlink;
62 	uid_t st_uid;
63 	gid_t st_gid;
64 #if defined(__linux) && defined(__x86_64__)
65 	int __pad0;
66 #endif
67 	dev_t st_rdev;
68 #if defined(__linux) && !defined(__x86_64__)
69 	unsigned short int __pad2;
70 #endif
71 	off_t st_size;
72 #if defined(__linux)
73 	blksize_t st_blksize;
74 	blkcnt_t st_blocks;
75 	struct timespec st_atim;
76 	struct timespec st_mtim;
77 	struct timespec st_ctim;
78 #define st_atime st_atim.tv_sec /* Backward compatibility */
79 #define st_mtime st_mtim.tv_sec
80 #define st_ctime st_ctim.tv_sec
81 #if defined(__linux) && defined(__x86_64__)
82 	uint64_t __glibc_reserved[3];
83 #endif
84 #else
85 #if defined(__rtems__)
86 	struct timespec st_atim;
87 	struct timespec st_mtim;
88 	struct timespec st_ctim;
89 	blksize_t st_blksize;
90 	blkcnt_t st_blocks;
91 #else
92 	/* SysV/sco doesn't have the rest... But Solaris, eabi does.  */
93 #if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
94 	time_t st_atime;
95 	time_t st_mtime;
96 	time_t st_ctime;
97 #else
98 	struct timespec st_atim;
99 	struct timespec st_mtim;
100 	struct timespec st_ctim;
101 	blksize_t st_blksize;
102 	blkcnt_t st_blocks;
103 #if !defined(__rtems__)
104 	long st_spare4[2];
105 #endif
106 #endif
107 #endif
108 #endif
109 };
110 
111 #if !(defined(__svr4__) && !defined(__PPC__) && !defined(__sun__))
112 #define st_atime st_atim.tv_sec
113 #define st_ctime st_ctim.tv_sec
114 #define st_mtime st_mtim.tv_sec
115 #endif
116 
117 #endif
118 
119 #define _IFMT	0170000 /* type of file */
120 #define _IFDIR	0040000 /* directory */
121 #define _IFCHR	0020000 /* character special */
122 #define _IFBLK	0060000 /* block special */
123 #define _IFREG	0100000 /* regular */
124 #define _IFLNK	0120000 /* symbolic link */
125 #define _IFSOCK 0140000 /* socket */
126 #define _IFIFO	0010000 /* fifo */
127 
128 #define S_BLKSIZE 1024 /* size of a block */
129 
130 #define S_ISUID 0004000 /* set user id on execution */
131 #define S_ISGID 0002000 /* set group id on execution */
132 #define S_ISVTX 0001000 /* save swapped text even after use */
133 #if __BSD_VISIBLE
134 #define S_IREAD	 0000400 /* read permission, owner */
135 #define S_IWRITE 0000200 /* write permission, owner */
136 #define S_IEXEC	 0000100 /* execute/search permission, owner */
137 #define S_ENFMT	 0002000 /* enforcement-mode locking */
138 #endif			 /* !_BSD_VISIBLE */
139 
140 #define S_IFMT	 _IFMT
141 #define S_IFDIR	 _IFDIR
142 #define S_IFCHR	 _IFCHR
143 #define S_IFBLK	 _IFBLK
144 #define S_IFREG	 _IFREG
145 #define S_IFLNK	 _IFLNK
146 #define S_IFSOCK _IFSOCK
147 #define S_IFIFO	 _IFIFO
148 
149 #ifdef _WIN32
150 /*
151  * The Windows header files define _S_ forms of these, so we do too
152  * for easier portability.
153  */
154 #define _S_IFMT	  _IFMT
155 #define _S_IFDIR  _IFDIR
156 #define _S_IFCHR  _IFCHR
157 #define _S_IFIFO  _IFIFO
158 #define _S_IFREG  _IFREG
159 #define _S_IREAD  0000400
160 #define _S_IWRITE 0000200
161 #define _S_IEXEC  0000100
162 #endif
163 
164 #define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
165 #define S_IRUSR 0000400 /* read permission, owner */
166 #define S_IWUSR 0000200 /* write permission, owner */
167 #define S_IXUSR 0000100 /* execute/search permission, owner */
168 #define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
169 #define S_IRGRP 0000040 /* read permission, group */
170 #define S_IWGRP 0000020 /* write permission, grougroup */
171 #define S_IXGRP 0000010 /* execute/search permission, group */
172 #define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
173 #define S_IROTH 0000004 /* read permission, other */
174 #define S_IWOTH 0000002 /* write permission, other */
175 #define S_IXOTH 0000001 /* execute/search permission, other */
176 
177 #if __BSD_VISIBLE
178 #define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO)				/* 0777 */
179 #define ALLPERMS    (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO) /* 07777 */
180 #define DEFFILEMODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) /* 0666 */
181 #endif
182 
183 #define S_ISBLK(m)  (((m)&_IFMT) == _IFBLK)
184 #define S_ISCHR(m)  (((m)&_IFMT) == _IFCHR)
185 #define S_ISDIR(m)  (((m)&_IFMT) == _IFDIR)
186 #define S_ISFIFO(m) (((m)&_IFMT) == _IFIFO)
187 #define S_ISREG(m)  (((m)&_IFMT) == _IFREG)
188 #define S_ISLNK(m)  (((m)&_IFMT) == _IFLNK)
189 #define S_ISSOCK(m) (((m)&_IFMT) == _IFSOCK)
190 
191 #if defined(__CYGWIN__) || defined(__rtems__)
192 /* Special tv_nsec values for futimens(2) and utimensat(2). */
193 #define UTIME_NOW  -2L
194 #define UTIME_OMIT -1L
195 #endif
196 
197 int chmod(const char *__path, mode_t __mode);
198 int fchmod(int __fd, mode_t __mode);
199 int fstat(int __fd, struct stat *__sbuf);
200 int mkdir(const char *_path, mode_t __mode);
201 int mkfifo(const char *__path, mode_t __mode);
202 int stat(const char *__restrict __path, struct stat *__restrict __sbuf);
203 mode_t umask(mode_t __mask);
204 
205 #if defined(__SPU__) || defined(__rtems__) || defined(__CYGWIN__) && !defined(__INSIDE_CYGWIN__)
206 int lstat(const char *__restrict __path, struct stat *__restrict __buf);
207 int mknod(const char *__path, mode_t __mode, dev_t __dev);
208 #endif
209 
210 #if __ATFILE_VISIBLE && !defined(__INSIDE_CYGWIN__)
211 int fchmodat(int __fd, const char *__path, mode_t __mode, int __flag);
212 int fstatat(int __fd, const char *__restrict __path, struct stat *__restrict __buf, int __flag);
213 int mkdirat(int __fd, const char *__path, mode_t __mode);
214 int mkfifoat(int __fd, const char *__path, mode_t __mode);
215 int mknodat(int __fd, const char *__path, mode_t __mode, dev_t __dev);
216 int utimensat(int __fd, const char *__path, const struct timespec __times[2], int __flag);
217 #endif
218 #if __POSIX_VISIBLE >= 200809 && !defined(__INSIDE_CYGWIN__)
219 int futimens(int __fd, const struct timespec __times[2]);
220 #endif
221 
222 /*
223  * Provide prototypes for most of the _<systemcall> names that are
224  * provided in newlib for some compilers.
225  */
226 #ifdef _LIBC
227 int _fstat(int __fd, struct stat *__sbuf);
228 int _stat(const char *__restrict __path, struct stat *__restrict __sbuf);
229 int _mkdir(const char *_path, mode_t __mode);
230 #ifdef __LARGE64_FILES
231 struct stat64;
232 int _stat64(const char *__restrict __path, struct stat64 *__restrict __sbuf);
233 int _fstat64(int __fd, struct stat64 *__sbuf);
234 #endif
235 #endif
236 
237 #endif /* !_STAT_H_ */
238 #ifdef __cplusplus
239 }
240 #endif
241 #endif /* ZEPHYR_POSIX_SYS_STAT_H_ */
242