sysroot/usr/include/bits/fortify/unistd.h - toolchain/prebuilts/ndk/r17 - Git at Google

 /*
  * Copyright (C) 2017 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.
  */
 #ifndef _UNISTD_H_
 #error "Never include this file directly; instead, include <unistd.h>"
 #endif


 #if __ANDROID_API__ >= 24
 char* __getcwd_chk(char*, size_t, size_t) __INTRODUCED_IN(24);
 #endif /* __ANDROID_API__ >= 24 */


 #if __ANDROID_API__ >= 23
 ssize_t __pread_chk(int, void*, size_t, off_t, size_t) __INTRODUCED_IN(23);
 #endif /* __ANDROID_API__ >= 23 */

 ssize_t __pread_real(int, void*, size_t, off_t) __RENAME(pread);


 #if __ANDROID_API__ >= 23
 ssize_t __pread64_chk(int, void*, size_t, off64_t, size_t) __INTRODUCED_IN(23);
 #endif /* __ANDROID_API__ >= 23 */

 ssize_t __pread64_real(int, void*, size_t, off64_t) __RENAME(pread64) __INTRODUCED_IN(12);


 #if __ANDROID_API__ >= 24
 ssize_t __pwrite_chk(int, const void*, size_t, off_t, size_t) __INTRODUCED_IN(24);
 #endif /* __ANDROID_API__ >= 24 */

 ssize_t __pwrite_real(int, const void*, size_t, off_t) __RENAME(pwrite);


 #if __ANDROID_API__ >= 24
 ssize_t __pwrite64_chk(int, const void*, size_t, off64_t, size_t) __INTRODUCED_IN(24);
 #endif /* __ANDROID_API__ >= 24 */

 ssize_t __pwrite64_real(int, const void*, size_t, off64_t) __RENAME(pwrite64)
   __INTRODUCED_IN(12);


 #if __ANDROID_API__ >= 21
 ssize_t __read_chk(int, void*, size_t, size_t) __INTRODUCED_IN(21);
 #endif /* __ANDROID_API__ >= 21 */


 #if __ANDROID_API__ >= 24
 ssize_t __write_chk(int, const void*, size_t, size_t) __INTRODUCED_IN(24);
 #endif /* __ANDROID_API__ >= 24 */


 #if __ANDROID_API__ >= 23
 ssize_t __readlink_chk(const char*, char*, size_t, size_t) __INTRODUCED_IN(23);
 ssize_t __readlinkat_chk(int dirfd, const char*, char*, size_t, size_t) __INTRODUCED_IN(23);
 #endif /* __ANDROID_API__ >= 23 */


 #if defined(__BIONIC_FORTIFY)

 #if defined(__USE_FILE_OFFSET64)
 #define __PREAD_PREFIX(x) __pread64_ ## x
 #define __PWRITE_PREFIX(x) __pwrite64_ ## x
 #else
 #define __PREAD_PREFIX(x) __pread_ ## x
 #define __PWRITE_PREFIX(x) __pwrite_ ## x
 #endif

 #if defined(__clang__)
 #define __error_if_overflows_ssizet(what, fn) \
     __clang_error_if((what) > SSIZE_MAX, "in call to '" #fn "', '" #what "' must be <= SSIZE_MAX")

 #define __error_if_overflows_objectsize(what, objsize, fn) \
     __clang_error_if((objsize) != __BIONIC_FORTIFY_UNKNOWN_SIZE && (what) > (objsize), \
                      "in call to '" #fn "', '" #what "' bytes overflows the given object")

 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
 char* getcwd(char* const __pass_object_size buf, size_t size)
         __overloadable
         __error_if_overflows_objectsize(size, __bos(buf), getcwd) {
     size_t bos = __bos(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __call_bypassing_fortify(getcwd)(buf, size);
     }

     return __getcwd_chk(buf, size, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

 #if __ANDROID_API__ >= __ANDROID_API_M__
 __BIONIC_FORTIFY_INLINE
 ssize_t pread(int fd, void* const __pass_object_size0 buf, size_t count, off_t offset)
         __overloadable
         __error_if_overflows_ssizet(count, pread)
         __error_if_overflows_objectsize(count, __bos0(buf), pread) {
     size_t bos = __bos0(buf);

     if (count == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __PREAD_PREFIX(real)(fd, buf, count, offset);
     }

     return __PREAD_PREFIX(chk)(fd, buf, count, offset, bos);
 }

 __BIONIC_FORTIFY_INLINE
 ssize_t pread64(int fd, void* const __pass_object_size0 buf, size_t count, off64_t offset)
         __overloadable
         __error_if_overflows_ssizet(count, pread64)
         __error_if_overflows_objectsize(count, __bos0(buf), pread64) {
     size_t bos = __bos0(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __pread64_real(fd, buf, count, offset);
     }

     return __pread64_chk(fd, buf, count, offset, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_M__ */

 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
 ssize_t pwrite(int fd, const void* const __pass_object_size0 buf, size_t count, off_t offset)
         __overloadable
         __error_if_overflows_ssizet(count, pwrite)
         __error_if_overflows_objectsize(count, __bos0(buf), pwrite) {
     size_t bos = __bos0(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __PWRITE_PREFIX(real)(fd, buf, count, offset);
     }

     return __PWRITE_PREFIX(chk)(fd, buf, count, offset, bos);
 }

 __BIONIC_FORTIFY_INLINE
 ssize_t pwrite64(int fd, const void* const __pass_object_size0 buf, size_t count, off64_t offset)
         __overloadable
         __error_if_overflows_ssizet(count, pwrite64)
         __error_if_overflows_objectsize(count, __bos0(buf), pwrite64) {
     size_t bos = __bos0(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __pwrite64_real(fd, buf, count, offset);
     }

     return __pwrite64_chk(fd, buf, count, offset, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

 #if __ANDROID_API__ >= __ANDROID_API_L__
 __BIONIC_FORTIFY_INLINE
 ssize_t read(int fd, void* const __pass_object_size0 buf, size_t count)
         __overloadable
         __error_if_overflows_ssizet(count, read)
         __error_if_overflows_objectsize(count, __bos0(buf), read) {
     size_t bos = __bos0(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __call_bypassing_fortify(read)(fd, buf, count);
     }

     return __read_chk(fd, buf, count, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_L__ */

 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
 ssize_t write(int fd, const void* const __pass_object_size0 buf, size_t count)
         __overloadable
         __error_if_overflows_ssizet(count, write)
         __error_if_overflows_objectsize(count, __bos0(buf), write) {
     size_t bos = __bos0(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __call_bypassing_fortify(write)(fd, buf, count);
     }

     return __write_chk(fd, buf, count, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

 #if __ANDROID_API__ >= __ANDROID_API_M__
 __BIONIC_FORTIFY_INLINE
 ssize_t readlink(const char* path, char* const __pass_object_size buf, size_t size)
         __overloadable
         __error_if_overflows_ssizet(size, readlink)
         __error_if_overflows_objectsize(size, __bos(buf), readlink) {
     size_t bos = __bos(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __call_bypassing_fortify(readlink)(path, buf, size);
     }

     return __readlink_chk(path, buf, size, bos);
 }

 __BIONIC_FORTIFY_INLINE
 ssize_t readlinkat(int dirfd, const char* path, char* const __pass_object_size buf, size_t size)
         __overloadable
         __error_if_overflows_ssizet(size, readlinkat)
         __error_if_overflows_objectsize(size, __bos(buf), readlinkat) {
     size_t bos = __bos(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __call_bypassing_fortify(readlinkat)(dirfd, path, buf, size);
     }

     return __readlinkat_chk(dirfd, path, buf, size, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_M__ */

 #undef __enable_if_no_overflow_ssizet
 #undef __error_if_overflows_objectsize
 #undef __error_if_overflows_ssizet
 #else /* defined(__clang__) */

 char* __getcwd_real(char*, size_t) __RENAME(getcwd);
 ssize_t __read_real(int, void*, size_t) __RENAME(read);
 ssize_t __write_real(int, const void*, size_t) __RENAME(write);
 ssize_t __readlink_real(const char*, char*, size_t) __RENAME(readlink);
 ssize_t __readlinkat_real(int dirfd, const char*, char*, size_t) __RENAME(readlinkat);

 __errordecl(__getcwd_dest_size_error, "getcwd called with size bigger than destination");
 __errordecl(__pread_dest_size_error, "pread called with size bigger than destination");
 __errordecl(__pread_count_toobig_error, "pread called with count > SSIZE_MAX");
 __errordecl(__pread64_dest_size_error, "pread64 called with size bigger than destination");
 __errordecl(__pread64_count_toobig_error, "pread64 called with count > SSIZE_MAX");
 __errordecl(__pwrite_dest_size_error, "pwrite called with size bigger than destination");
 __errordecl(__pwrite_count_toobig_error, "pwrite called with count > SSIZE_MAX");
 __errordecl(__pwrite64_dest_size_error, "pwrite64 called with size bigger than destination");
 __errordecl(__pwrite64_count_toobig_error, "pwrite64 called with count > SSIZE_MAX");
 __errordecl(__read_dest_size_error, "read called with size bigger than destination");
 __errordecl(__read_count_toobig_error, "read called with count > SSIZE_MAX");
 __errordecl(__write_dest_size_error, "write called with size bigger than destination");
 __errordecl(__write_count_toobig_error, "write called with count > SSIZE_MAX");
 __errordecl(__readlink_dest_size_error, "readlink called with size bigger than destination");
 __errordecl(__readlink_size_toobig_error, "readlink called with size > SSIZE_MAX");
 __errordecl(__readlinkat_dest_size_error, "readlinkat called with size bigger than destination");
 __errordecl(__readlinkat_size_toobig_error, "readlinkat called with size > SSIZE_MAX");

 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
 char* getcwd(char* buf, size_t size) __overloadable {
     size_t bos = __bos(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __getcwd_real(buf, size);
     }

     if (__builtin_constant_p(size) && (size > bos)) {
         __getcwd_dest_size_error();
     }

     if (__builtin_constant_p(size) && (size <= bos)) {
         return __getcwd_real(buf, size);
     }

     return __getcwd_chk(buf, size, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

 #if __ANDROID_API__ >= __ANDROID_API_M__
 __BIONIC_FORTIFY_INLINE
 ssize_t pread(int fd, void* buf, size_t count, off_t offset) {
     size_t bos = __bos0(buf);

     if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
         __PREAD_PREFIX(count_toobig_error)();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __PREAD_PREFIX(real)(fd, buf, count, offset);
     }

     if (__builtin_constant_p(count) && (count > bos)) {
         __PREAD_PREFIX(dest_size_error)();
     }

     if (__builtin_constant_p(count) && (count <= bos)) {
         return __PREAD_PREFIX(real)(fd, buf, count, offset);
     }

     return __PREAD_PREFIX(chk)(fd, buf, count, offset, bos);
 }

 __BIONIC_FORTIFY_INLINE
 ssize_t pread64(int fd, void* buf, size_t count, off64_t offset) {
     size_t bos = __bos0(buf);

     if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
         __pread64_count_toobig_error();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __pread64_real(fd, buf, count, offset);
     }

     if (__builtin_constant_p(count) && (count > bos)) {
         __pread64_dest_size_error();
     }

     if (__builtin_constant_p(count) && (count <= bos)) {
         return __pread64_real(fd, buf, count, offset);
     }

     return __pread64_chk(fd, buf, count, offset, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_M__ */

 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
 ssize_t pwrite(int fd, const void* buf, size_t count, off_t offset) {
     size_t bos = __bos0(buf);

     if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
         __PWRITE_PREFIX(count_toobig_error)();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __PWRITE_PREFIX(real)(fd, buf, count, offset);
     }

     if (__builtin_constant_p(count) && (count > bos)) {
         __PWRITE_PREFIX(dest_size_error)();
     }

     if (__builtin_constant_p(count) && (count <= bos)) {
         return __PWRITE_PREFIX(real)(fd, buf, count, offset);
     }

     return __PWRITE_PREFIX(chk)(fd, buf, count, offset, bos);
 }

 __BIONIC_FORTIFY_INLINE
 ssize_t pwrite64(int fd, const void* buf, size_t count, off64_t offset) {
     size_t bos = __bos0(buf);

     if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
         __pwrite64_count_toobig_error();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __pwrite64_real(fd, buf, count, offset);
     }

     if (__builtin_constant_p(count) && (count > bos)) {
         __pwrite64_dest_size_error();
     }

     if (__builtin_constant_p(count) && (count <= bos)) {
         return __pwrite64_real(fd, buf, count, offset);
     }

     return __pwrite64_chk(fd, buf, count, offset, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

 #if __ANDROID_API__ >= __ANDROID_API_L__
 __BIONIC_FORTIFY_INLINE
 ssize_t read(int fd, void* buf, size_t count) {
     size_t bos = __bos0(buf);

     if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
         __read_count_toobig_error();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __read_real(fd, buf, count);
     }

     if (__builtin_constant_p(count) && (count > bos)) {
         __read_dest_size_error();
     }

     if (__builtin_constant_p(count) && (count <= bos)) {
         return __read_real(fd, buf, count);
     }

     return __read_chk(fd, buf, count, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_L__ */

 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
 ssize_t write(int fd, const void* buf, size_t count) {
     size_t bos = __bos0(buf);

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __write_real(fd, buf, count);
     }

     if (__builtin_constant_p(count) && (count > bos)) {
         __write_dest_size_error();
     }

     if (__builtin_constant_p(count) && (count <= bos)) {
         return __write_real(fd, buf, count);
     }

     return __write_chk(fd, buf, count, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

 #if __ANDROID_API__ >= __ANDROID_API_M__
 __BIONIC_FORTIFY_INLINE
 ssize_t readlink(const char* path, char* buf, size_t size) {
     size_t bos = __bos(buf);

     if (__builtin_constant_p(size) && (size > SSIZE_MAX)) {
         __readlink_size_toobig_error();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __readlink_real(path, buf, size);
     }

     if (__builtin_constant_p(size) && (size > bos)) {
         __readlink_dest_size_error();
     }

     if (__builtin_constant_p(size) && (size <= bos)) {
         return __readlink_real(path, buf, size);
     }

     return __readlink_chk(path, buf, size, bos);
 }

 __BIONIC_FORTIFY_INLINE
 ssize_t readlinkat(int dirfd, const char* path, char* buf, size_t size) {
     size_t bos = __bos(buf);

     if (__builtin_constant_p(size) && (size > SSIZE_MAX)) {
         __readlinkat_size_toobig_error();
     }

     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
         return __readlinkat_real(dirfd, path, buf, size);
     }

     if (__builtin_constant_p(size) && (size > bos)) {
         __readlinkat_dest_size_error();
     }

     if (__builtin_constant_p(size) && (size <= bos)) {
         return __readlinkat_real(dirfd, path, buf, size);
     }

     return __readlinkat_chk(dirfd, path, buf, size, bos);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_M__ */
 #endif /* defined(__clang__) */
 #undef __PREAD_PREFIX
 #undef __PWRITE_PREFIX
 #endif /* defined(__BIONIC_FORTIFY) */
	/*
	* Copyright (C) 2017 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.
	*/
	#ifndef _UNISTD_H_
	#error "Never include this file directly; instead, include <unistd.h>"
	#endif


	#if __ANDROID_API__ >= 24
	char* __getcwd_chk(char*, size_t, size_t) __INTRODUCED_IN(24);
	#endif /* __ANDROID_API__ >= 24 */



	#if __ANDROID_API__ >= 23
	ssize_t __pread_chk(int, void*, size_t, off_t, size_t) __INTRODUCED_IN(23);
	#endif /* __ANDROID_API__ >= 23 */

	ssize_t __pread_real(int, void*, size_t, off_t) __RENAME(pread);


	#if __ANDROID_API__ >= 23
	ssize_t __pread64_chk(int, void*, size_t, off64_t, size_t) __INTRODUCED_IN(23);
	#endif /* __ANDROID_API__ >= 23 */

	ssize_t __pread64_real(int, void*, size_t, off64_t) __RENAME(pread64) __INTRODUCED_IN(12);


	#if __ANDROID_API__ >= 24
	ssize_t __pwrite_chk(int, const void*, size_t, off_t, size_t) __INTRODUCED_IN(24);
	#endif /* __ANDROID_API__ >= 24 */

	ssize_t __pwrite_real(int, const void*, size_t, off_t) __RENAME(pwrite);


	#if __ANDROID_API__ >= 24
	ssize_t __pwrite64_chk(int, const void*, size_t, off64_t, size_t) __INTRODUCED_IN(24);
	#endif /* __ANDROID_API__ >= 24 */

	ssize_t __pwrite64_real(int, const void*, size_t, off64_t) __RENAME(pwrite64)
	__INTRODUCED_IN(12);


	#if __ANDROID_API__ >= 21
	ssize_t __read_chk(int, void*, size_t, size_t) __INTRODUCED_IN(21);
	#endif /* __ANDROID_API__ >= 21 */


	#if __ANDROID_API__ >= 24
	ssize_t __write_chk(int, const void*, size_t, size_t) __INTRODUCED_IN(24);
	#endif /* __ANDROID_API__ >= 24 */


	#if __ANDROID_API__ >= 23
	ssize_t __readlink_chk(const char, char, size_t, size_t) __INTRODUCED_IN(23);
	ssize_t __readlinkat_chk(int dirfd, const char, char, size_t, size_t) __INTRODUCED_IN(23);
	#endif /* __ANDROID_API__ >= 23 */


	#if defined(__BIONIC_FORTIFY)

	#if defined(__USE_FILE_OFFSET64)
	#define __PREAD_PREFIX(x) __pread64_ ## x
	#define __PWRITE_PREFIX(x) __pwrite64_ ## x
	#else
	#define __PREAD_PREFIX(x) __pread_ ## x
	#define __PWRITE_PREFIX(x) __pwrite_ ## x
	#endif

	#if defined(__clang__)
	#define __error_if_overflows_ssizet(what, fn) \
	__clang_error_if((what) > SSIZE_MAX, "in call to '" #fn "', '" #what "' must be <= SSIZE_MAX")

	#define __error_if_overflows_objectsize(what, objsize, fn) \
	__clang_error_if((objsize) != __BIONIC_FORTIFY_UNKNOWN_SIZE && (what) > (objsize), \
	"in call to '" #fn "', '" #what "' bytes overflows the given object")

	#if __ANDROID_API__ >= __ANDROID_API_N__
	__BIONIC_FORTIFY_INLINE
	char* getcwd(char* const __pass_object_size buf, size_t size)
	__overloadable
	__error_if_overflows_objectsize(size, __bos(buf), getcwd) {
	size_t bos = __bos(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __call_bypassing_fortify(getcwd)(buf, size);
	}

	return __getcwd_chk(buf, size, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

	#if __ANDROID_API__ >= __ANDROID_API_M__
	__BIONIC_FORTIFY_INLINE
	ssize_t pread(int fd, void* const __pass_object_size0 buf, size_t count, off_t offset)
	__overloadable
	__error_if_overflows_ssizet(count, pread)
	__error_if_overflows_objectsize(count, __bos0(buf), pread) {
	size_t bos = __bos0(buf);

	if (count == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __PREAD_PREFIX(real)(fd, buf, count, offset);
	}

	return __PREAD_PREFIX(chk)(fd, buf, count, offset, bos);
	}

	__BIONIC_FORTIFY_INLINE
	ssize_t pread64(int fd, void* const __pass_object_size0 buf, size_t count, off64_t offset)
	__overloadable
	__error_if_overflows_ssizet(count, pread64)
	__error_if_overflows_objectsize(count, __bos0(buf), pread64) {
	size_t bos = __bos0(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __pread64_real(fd, buf, count, offset);
	}

	return __pread64_chk(fd, buf, count, offset, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_M__ */

	#if __ANDROID_API__ >= __ANDROID_API_N__
	__BIONIC_FORTIFY_INLINE
	ssize_t pwrite(int fd, const void* const __pass_object_size0 buf, size_t count, off_t offset)
	__overloadable
	__error_if_overflows_ssizet(count, pwrite)
	__error_if_overflows_objectsize(count, __bos0(buf), pwrite) {
	size_t bos = __bos0(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __PWRITE_PREFIX(real)(fd, buf, count, offset);
	}

	return __PWRITE_PREFIX(chk)(fd, buf, count, offset, bos);
	}

	__BIONIC_FORTIFY_INLINE
	ssize_t pwrite64(int fd, const void* const __pass_object_size0 buf, size_t count, off64_t offset)
	__overloadable
	__error_if_overflows_ssizet(count, pwrite64)
	__error_if_overflows_objectsize(count, __bos0(buf), pwrite64) {
	size_t bos = __bos0(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __pwrite64_real(fd, buf, count, offset);
	}

	return __pwrite64_chk(fd, buf, count, offset, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

	#if __ANDROID_API__ >= __ANDROID_API_L__
	__BIONIC_FORTIFY_INLINE
	ssize_t read(int fd, void* const __pass_object_size0 buf, size_t count)
	__overloadable
	__error_if_overflows_ssizet(count, read)
	__error_if_overflows_objectsize(count, __bos0(buf), read) {
	size_t bos = __bos0(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __call_bypassing_fortify(read)(fd, buf, count);
	}

	return __read_chk(fd, buf, count, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_L__ */

	#if __ANDROID_API__ >= __ANDROID_API_N__
	__BIONIC_FORTIFY_INLINE
	ssize_t write(int fd, const void* const __pass_object_size0 buf, size_t count)
	__overloadable
	__error_if_overflows_ssizet(count, write)
	__error_if_overflows_objectsize(count, __bos0(buf), write) {
	size_t bos = __bos0(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __call_bypassing_fortify(write)(fd, buf, count);
	}

	return __write_chk(fd, buf, count, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

	#if __ANDROID_API__ >= __ANDROID_API_M__
	__BIONIC_FORTIFY_INLINE
	ssize_t readlink(const char* path, char* const __pass_object_size buf, size_t size)
	__overloadable
	__error_if_overflows_ssizet(size, readlink)
	__error_if_overflows_objectsize(size, __bos(buf), readlink) {
	size_t bos = __bos(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __call_bypassing_fortify(readlink)(path, buf, size);
	}

	return __readlink_chk(path, buf, size, bos);
	}

	__BIONIC_FORTIFY_INLINE
	ssize_t readlinkat(int dirfd, const char* path, char* const __pass_object_size buf, size_t size)
	__overloadable
	__error_if_overflows_ssizet(size, readlinkat)
	__error_if_overflows_objectsize(size, __bos(buf), readlinkat) {
	size_t bos = __bos(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __call_bypassing_fortify(readlinkat)(dirfd, path, buf, size);
	}

	return __readlinkat_chk(dirfd, path, buf, size, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_M__ */

	#undef __enable_if_no_overflow_ssizet
	#undef __error_if_overflows_objectsize
	#undef __error_if_overflows_ssizet
	#else /* defined(__clang__) */

	char* __getcwd_real(char*, size_t) __RENAME(getcwd);
	ssize_t __read_real(int, void*, size_t) __RENAME(read);
	ssize_t __write_real(int, const void*, size_t) __RENAME(write);
	ssize_t __readlink_real(const char, char, size_t) __RENAME(readlink);
	ssize_t __readlinkat_real(int dirfd, const char, char, size_t) __RENAME(readlinkat);

	__errordecl(__getcwd_dest_size_error, "getcwd called with size bigger than destination");
	__errordecl(__pread_dest_size_error, "pread called with size bigger than destination");
	__errordecl(__pread_count_toobig_error, "pread called with count > SSIZE_MAX");
	__errordecl(__pread64_dest_size_error, "pread64 called with size bigger than destination");
	__errordecl(__pread64_count_toobig_error, "pread64 called with count > SSIZE_MAX");
	__errordecl(__pwrite_dest_size_error, "pwrite called with size bigger than destination");
	__errordecl(__pwrite_count_toobig_error, "pwrite called with count > SSIZE_MAX");
	__errordecl(__pwrite64_dest_size_error, "pwrite64 called with size bigger than destination");
	__errordecl(__pwrite64_count_toobig_error, "pwrite64 called with count > SSIZE_MAX");
	__errordecl(__read_dest_size_error, "read called with size bigger than destination");
	__errordecl(__read_count_toobig_error, "read called with count > SSIZE_MAX");
	__errordecl(__write_dest_size_error, "write called with size bigger than destination");
	__errordecl(__write_count_toobig_error, "write called with count > SSIZE_MAX");
	__errordecl(__readlink_dest_size_error, "readlink called with size bigger than destination");
	__errordecl(__readlink_size_toobig_error, "readlink called with size > SSIZE_MAX");
	__errordecl(__readlinkat_dest_size_error, "readlinkat called with size bigger than destination");
	__errordecl(__readlinkat_size_toobig_error, "readlinkat called with size > SSIZE_MAX");

	#if __ANDROID_API__ >= __ANDROID_API_N__
	__BIONIC_FORTIFY_INLINE
	char* getcwd(char* buf, size_t size) __overloadable {
	size_t bos = __bos(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __getcwd_real(buf, size);
	}

	if (__builtin_constant_p(size) && (size > bos)) {
	__getcwd_dest_size_error();
	}

	if (__builtin_constant_p(size) && (size <= bos)) {
	return __getcwd_real(buf, size);
	}

	return __getcwd_chk(buf, size, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

	#if __ANDROID_API__ >= __ANDROID_API_M__
	__BIONIC_FORTIFY_INLINE
	ssize_t pread(int fd, void* buf, size_t count, off_t offset) {
	size_t bos = __bos0(buf);

	if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
	__PREAD_PREFIX(count_toobig_error)();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __PREAD_PREFIX(real)(fd, buf, count, offset);
	}

	if (__builtin_constant_p(count) && (count > bos)) {
	__PREAD_PREFIX(dest_size_error)();
	}

	if (__builtin_constant_p(count) && (count <= bos)) {
	return __PREAD_PREFIX(real)(fd, buf, count, offset);
	}

	return __PREAD_PREFIX(chk)(fd, buf, count, offset, bos);
	}

	__BIONIC_FORTIFY_INLINE
	ssize_t pread64(int fd, void* buf, size_t count, off64_t offset) {
	size_t bos = __bos0(buf);

	if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
	__pread64_count_toobig_error();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __pread64_real(fd, buf, count, offset);
	}

	if (__builtin_constant_p(count) && (count > bos)) {
	__pread64_dest_size_error();
	}

	if (__builtin_constant_p(count) && (count <= bos)) {
	return __pread64_real(fd, buf, count, offset);
	}

	return __pread64_chk(fd, buf, count, offset, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_M__ */

	#if __ANDROID_API__ >= __ANDROID_API_N__
	__BIONIC_FORTIFY_INLINE
	ssize_t pwrite(int fd, const void* buf, size_t count, off_t offset) {
	size_t bos = __bos0(buf);

	if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
	__PWRITE_PREFIX(count_toobig_error)();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __PWRITE_PREFIX(real)(fd, buf, count, offset);
	}

	if (__builtin_constant_p(count) && (count > bos)) {
	__PWRITE_PREFIX(dest_size_error)();
	}

	if (__builtin_constant_p(count) && (count <= bos)) {
	return __PWRITE_PREFIX(real)(fd, buf, count, offset);
	}

	return __PWRITE_PREFIX(chk)(fd, buf, count, offset, bos);
	}

	__BIONIC_FORTIFY_INLINE
	ssize_t pwrite64(int fd, const void* buf, size_t count, off64_t offset) {
	size_t bos = __bos0(buf);

	if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
	__pwrite64_count_toobig_error();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __pwrite64_real(fd, buf, count, offset);
	}

	if (__builtin_constant_p(count) && (count > bos)) {
	__pwrite64_dest_size_error();
	}

	if (__builtin_constant_p(count) && (count <= bos)) {
	return __pwrite64_real(fd, buf, count, offset);
	}

	return __pwrite64_chk(fd, buf, count, offset, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

	#if __ANDROID_API__ >= __ANDROID_API_L__
	__BIONIC_FORTIFY_INLINE
	ssize_t read(int fd, void* buf, size_t count) {
	size_t bos = __bos0(buf);

	if (__builtin_constant_p(count) && (count > SSIZE_MAX)) {
	__read_count_toobig_error();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __read_real(fd, buf, count);
	}

	if (__builtin_constant_p(count) && (count > bos)) {
	__read_dest_size_error();
	}

	if (__builtin_constant_p(count) && (count <= bos)) {
	return __read_real(fd, buf, count);
	}

	return __read_chk(fd, buf, count, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_L__ */

	#if __ANDROID_API__ >= __ANDROID_API_N__
	__BIONIC_FORTIFY_INLINE
	ssize_t write(int fd, const void* buf, size_t count) {
	size_t bos = __bos0(buf);

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __write_real(fd, buf, count);
	}

	if (__builtin_constant_p(count) && (count > bos)) {
	__write_dest_size_error();
	}

	if (__builtin_constant_p(count) && (count <= bos)) {
	return __write_real(fd, buf, count);
	}

	return __write_chk(fd, buf, count, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_N__ */

	#if __ANDROID_API__ >= __ANDROID_API_M__
	__BIONIC_FORTIFY_INLINE
	ssize_t readlink(const char* path, char* buf, size_t size) {
	size_t bos = __bos(buf);

	if (__builtin_constant_p(size) && (size > SSIZE_MAX)) {
	__readlink_size_toobig_error();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __readlink_real(path, buf, size);
	}

	if (__builtin_constant_p(size) && (size > bos)) {
	__readlink_dest_size_error();
	}

	if (__builtin_constant_p(size) && (size <= bos)) {
	return __readlink_real(path, buf, size);
	}

	return __readlink_chk(path, buf, size, bos);
	}

	__BIONIC_FORTIFY_INLINE
	ssize_t readlinkat(int dirfd, const char* path, char* buf, size_t size) {
	size_t bos = __bos(buf);

	if (__builtin_constant_p(size) && (size > SSIZE_MAX)) {
	__readlinkat_size_toobig_error();
	}

	if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
	return __readlinkat_real(dirfd, path, buf, size);
	}

	if (__builtin_constant_p(size) && (size > bos)) {
	__readlinkat_dest_size_error();
	}

	if (__builtin_constant_p(size) && (size <= bos)) {
	return __readlinkat_real(dirfd, path, buf, size);
	}

	return __readlinkat_chk(dirfd, path, buf, size, bos);
	}
	#endif /* __ANDROID_API__ >= __ANDROID_API_M__ */
	#endif /* defined(__clang__) */
	#undef __PREAD_PREFIX
	#undef __PWRITE_PREFIX
	#endif /* defined(__BIONIC_FORTIFY) */