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platform_bionic/libc/include/sys/stat.h
Elliott Hughes 655e430b28 Remove the always-true __INTRODUCED_IN() annotations. 
The NDK no longer supports API levels earlier than 21.

This *doesn't* include <ctype.h> because I have a separate change
rewriting that (that's blocked on the upcoming libc++ update).

Test: treehugger
Change-Id: I53e915f27011dfc0513e0c78d8799377e183ceca
2023-06-16 12:39:33 -07:00

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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
/**
* @file sys/stat.h
* @brief File status.
*/
#include <bits/timespec.h>
#include <linux/stat.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
#if defined(__aarch64__) || defined(__riscv)
#define __STAT64_BODY \
dev_t st_dev; \
ino_t st_ino; \
mode_t st_mode; \
nlink_t st_nlink; \
uid_t st_uid; \
gid_t st_gid; \
dev_t st_rdev; \
unsigned long __pad1; \
off_t st_size; \
int st_blksize; \
int __pad2; \
long st_blocks; \
struct timespec st_atim; \
struct timespec st_mtim; \
struct timespec st_ctim; \
unsigned int __unused4; \
unsigned int __unused5; \
#elif defined(__x86_64__)
#define __STAT64_BODY \
dev_t st_dev; \
ino_t st_ino; \
unsigned long st_nlink; \
mode_t st_mode; \
uid_t st_uid; \
gid_t st_gid; \
unsigned int __pad0; \
dev_t st_rdev; \
off_t st_size; \
long st_blksize; \
long st_blocks; \
struct timespec st_atim; \
struct timespec st_mtim; \
struct timespec st_ctim; \
long __pad3[3]; \
#else /* __arm__ || __i386__ */
#define __STAT64_BODY \
unsigned long long st_dev; \
unsigned char __pad0[4]; \
unsigned long __st_ino; \
unsigned int st_mode; \
nlink_t st_nlink; \
uid_t st_uid; \
gid_t st_gid; \
unsigned long long st_rdev; \
unsigned char __pad3[4]; \
long long st_size; \
unsigned long st_blksize; \
unsigned long long st_blocks; \
struct timespec st_atim; \
struct timespec st_mtim; \
struct timespec st_ctim; \
unsigned long long st_ino; \
#endif
struct stat { __STAT64_BODY };
struct stat64 { __STAT64_BODY };
#undef __STAT64_BODY
/* Compatibility with older versions of POSIX. */
#define st_atime st_atim.tv_sec
#define st_mtime st_mtim.tv_sec
#define st_ctime st_ctim.tv_sec
/* Compatibility with glibc. */
#define st_atimensec st_atim.tv_nsec
#define st_mtimensec st_mtim.tv_nsec
#define st_ctimensec st_ctim.tv_nsec
/* Compatibility with Linux headers and old NDKs. */
#define st_atime_nsec st_atim.tv_nsec
#define st_mtime_nsec st_mtim.tv_nsec
#define st_ctime_nsec st_ctim.tv_nsec
#if defined(__USE_BSD)
/* Permission macros provided by glibc for compatibility with BSDs. */
#define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO) /* 0777 */
#define ALLPERMS (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO) /* 07777 */
#define DEFFILEMODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) /* 0666 */
#endif
#if defined(__USE_BSD) || defined(__USE_GNU)
#define S_IREAD S_IRUSR
#define S_IWRITE S_IWUSR
#define S_IEXEC S_IXUSR
#endif
/* POSIX mandates these, but Linux doesn't implement them as distinct file types. */
#define S_TYPEISMQ(__sb) 0
#define S_TYPEISSEM(__sb) 0
#define S_TYPEISSHM(__sb) 0
#define S_TYPEISTMO(__sb) 0
int chmod(const char* _Nonnull __path, mode_t __mode);
int fchmod(int __fd, mode_t __mode);
int mkdir(const char* _Nonnull __path, mode_t __mode);
int fstat(int __fd, struct stat* _Nonnull __buf);
int fstat64(int __fd, struct stat64* _Nonnull __buf);
int fstatat(int __dir_fd, const char* _Nonnull __path, struct stat* _Nonnull __buf, int __flags);
int fstatat64(int __dir_fd, const char* _Nonnull __path, struct stat64* _Nonnull __buf, int __flags);
int lstat(const char* _Nonnull __path, struct stat* _Nonnull __buf);
int lstat64(const char* _Nonnull __path, struct stat64* _Nonnull __buf);
int stat(const char* _Nonnull __path, struct stat* _Nonnull __buf);
int stat64(const char* _Nonnull __path, struct stat64* _Nonnull __buf);
int mknod(const char* _Nonnull __path, mode_t __mode, dev_t __dev);
mode_t umask(mode_t __mask);
#if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
#include <bits/fortify/stat.h>
#endif
int mkfifo(const char* _Nonnull __path, mode_t __mode);
int mkfifoat(int __dir_fd, const char* _Nonnull __path, mode_t __mode) __INTRODUCED_IN(23);
int fchmodat(int __dir_fd, const char* _Nonnull __path, mode_t __mode, int __flags);
int mkdirat(int __dir_fd, const char* _Nonnull __path, mode_t __mode);
int mknodat(int __dir_fd, const char* _Nonnull __path, mode_t __mode, dev_t __dev);
/**
* Used in the tv_nsec field of an argument to utimensat()/futimens()
* to set that time to the current time.
*/
#define UTIME_NOW ((1L << 30) - 1L)
/**
* Used in the tv_nsec field of an argument to utimensat()/futimens()
* to _not_ set that time.
*/
#define UTIME_OMIT ((1L << 30) - 2L)
/**
* [utimensat(2)](https://man7.org/linux/man-pages/man2/utimensat.2.html) sets
* file timestamps.
*
* Note: Linux supports `__path` being NULL (in which case `__dir_fd` need not
* be a directory), allowing futimens() to be implemented with utimensat().
* For normal use of utimensat(), though, `__path` should be non-null.
*
* `__times[0]` is the access time (atime), and `__times[1]` the last modification time (mtime).
* If `__times` is NULL, both times are set to the current time.
* See also UTIME_NOW and UTIME_OMIT.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int utimensat(int __dir_fd, const char* __BIONIC_COMPLICATED_NULLNESS __path, const struct timespec __times[_Nullable 2], int __flags);
/**
* [futimens(2)](https://man7.org/linux/man-pages/man2/utimensat.2.html) sets
* the given file descriptor's timestamp.
*
* `__times[0]` is the access time (atime), and `__times[1]` the last modification time (mtime).
* If `__times` is NULL, both times are set to the current time.
* See also UTIME_NOW and UTIME_OMIT.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int futimens(int __fd, const struct timespec __times[_Nullable 2]);
#if defined(__USE_GNU)
/**
* [statx(2)](http://man7.org/linux/man-pages/man2/statx.2.html) returns
* extended file status information.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*
* Available since API level 30.
*/
int statx(int __dir_fd, const char* _Nonnull __path, int __flags, unsigned __mask, struct statx* _Nonnull __buf) __INTRODUCED_IN(30);
#endif
__END_DECLS
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