diff options
Diffstat (limited to 'headers/unistd.h')
| -rw-r--r-- | headers/unistd.h | 829 |
1 files changed, 0 insertions, 829 deletions
diff --git a/headers/unistd.h b/headers/unistd.h deleted file mode 100644 index 15359a1ae..000000000 --- a/headers/unistd.h +++ /dev/null @@ -1,829 +0,0 @@ -/* - * 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. - */ - -#ifndef _UNISTD_H_ -#define _UNISTD_H_ - -#include <stddef.h> -#include <sys/cdefs.h> -#include <sys/types.h> -#include <sys/select.h> - -#include <bits/fcntl.h> -#include <bits/getopt.h> -#include <bits/ioctl.h> -#include <bits/lockf.h> -#include <bits/posix_limits.h> -#include <bits/seek_constants.h> -#include <bits/sysconf.h> - -__BEGIN_DECLS - -#define STDIN_FILENO 0 -#define STDOUT_FILENO 1 -#define STDERR_FILENO 2 - -#define F_OK 0 -#define X_OK 1 -#define W_OK 2 -#define R_OK 4 - -#define _PC_FILESIZEBITS 0 -#define _PC_LINK_MAX 1 -#define _PC_MAX_CANON 2 -#define _PC_MAX_INPUT 3 -#define _PC_NAME_MAX 4 -#define _PC_PATH_MAX 5 -#define _PC_PIPE_BUF 6 -#define _PC_2_SYMLINKS 7 -#define _PC_ALLOC_SIZE_MIN 8 -#define _PC_REC_INCR_XFER_SIZE 9 -#define _PC_REC_MAX_XFER_SIZE 10 -#define _PC_REC_MIN_XFER_SIZE 11 -#define _PC_REC_XFER_ALIGN 12 -#define _PC_SYMLINK_MAX 13 -#define _PC_CHOWN_RESTRICTED 14 -#define _PC_NO_TRUNC 15 -#define _PC_VDISABLE 16 -#define _PC_ASYNC_IO 17 -#define _PC_PRIO_IO 18 -#define _PC_SYNC_IO 19 - -extern char** environ; - -__noreturn void _exit(int __status); - -pid_t fork(void); -pid_t vfork(void); -pid_t getpid(void); -pid_t gettid(void) __attribute_const__; -pid_t getpgid(pid_t __pid); -int setpgid(pid_t __pid, pid_t __pgid); -pid_t getppid(void); -pid_t getpgrp(void); -int setpgrp(void); - -#if __ANDROID_API__ >= 17 -pid_t getsid(pid_t __pid) __INTRODUCED_IN(17); -#endif /* __ANDROID_API__ >= 17 */ - -pid_t setsid(void); - -int execv(const char* __path, char* const* __argv); -int execvp(const char* __file, char* const* __argv); - -#if __ANDROID_API__ >= 21 -int execvpe(const char* __file, char* const* __argv, char* const* __envp) __INTRODUCED_IN(21); -#endif /* __ANDROID_API__ >= 21 */ - -int execve(const char* __file, char* const* __argv, char* const* __envp); -int execl(const char* __path, const char* __arg0, ...) __attribute__((__sentinel__)); -int execlp(const char* __file, const char* __arg0, ...) __attribute__((__sentinel__)); -int execle(const char* __path, const char* __arg0, ... /*, char* const* __envp */) - __attribute__((__sentinel__(1))); - -int nice(int __incr); - -int setuid(uid_t __uid); -uid_t getuid(void); -int seteuid(uid_t __uid); -uid_t geteuid(void); -int setgid(gid_t __gid); -gid_t getgid(void); -int setegid(gid_t __gid); -gid_t getegid(void); -int getgroups(int __size, gid_t* __list); -int setgroups(size_t __size, const gid_t* __list); -int setreuid(uid_t __ruid, uid_t __euid); -int setregid(gid_t __rgid, gid_t __egid); -int setresuid(uid_t __ruid, uid_t __euid, uid_t __suid); -int setresgid(gid_t __rgid, gid_t __egid, gid_t __sgid); -int getresuid(uid_t* __ruid, uid_t* __euid, uid_t* __suid); -int getresgid(gid_t* __rgid, gid_t* __egid, gid_t* __sgid); -char* getlogin(void); - -long fpathconf(int __fd, int __name); -long pathconf(const char* __path, int __name); - -int access(const char* __path, int __mode); - -#if __ANDROID_API__ >= 16 -int faccessat(int __dirfd, const char* __path, int __mode, int __flags) __INTRODUCED_IN(16); -#endif /* __ANDROID_API__ >= 16 */ - -int link(const char* __oldpath, const char* __newpath); - -#if __ANDROID_API__ >= 21 -int linkat(int __olddirfd, const char* __oldpath, int __newdirfd, - const char* __newpath, int __flags) __INTRODUCED_IN(21); -#endif /* __ANDROID_API__ >= 21 */ - -int unlink(const char* __path); -int unlinkat(int __dirfd, const char* __path, int __flags); -int chdir(const char* __path); -int fchdir(int __fd); -int rmdir(const char* __path); -int pipe(int* __pipefd); -#if defined(__USE_GNU) -int pipe2(int* __pipefd, int __flags) __INTRODUCED_IN(9); -#endif -int chroot(const char* __path); -int symlink(const char* __oldpath, const char* __newpath); - -#if __ANDROID_API__ >= 21 -int symlinkat(const char* __oldpath, int __newdirfd, const char* __newpath) __INTRODUCED_IN(21); -#endif /* __ANDROID_API__ >= 21 */ - -ssize_t readlink(const char* __path, char* __buf, size_t __bufsiz) - __overloadable __RENAME_CLANG(readlink); - -#if __ANDROID_API__ >= 21 -ssize_t readlinkat(int __dirfd, const char* __path, char* __buf, - size_t __bufsiz) - __INTRODUCED_IN(21) __overloadable __RENAME_CLANG(readlinkat); -#endif /* __ANDROID_API__ >= 21 */ - -int chown(const char* __path, uid_t __owner, gid_t __group); -int fchown(int __fd, uid_t __owner, gid_t __group); -int fchownat(int __dirfd, const char* __path, uid_t __owner, gid_t __group, int __flags); -int lchown(const char* __path, uid_t __owner, gid_t __group); -char* getcwd(char* __buf, size_t __size) __overloadable __RENAME_CLANG(getcwd); - -void sync(void); - -int close(int __fd); - -ssize_t read(int __fd, void* __buf, size_t __count) __overloadable - __RENAME_CLANG(read); -ssize_t write(int __fd, const void* __buf, size_t __count) __overloadable - __RENAME_CLANG(write); - -int dup(int __oldfd); -int dup2(int __oldfd, int __newfd); - -#if __ANDROID_API__ >= 21 -int dup3(int __oldfd, int __newfd, int __flags) __INTRODUCED_IN(21); -#endif /* __ANDROID_API__ >= 21 */ - -int fsync(int __fd); -int fdatasync(int __fd) __INTRODUCED_IN(9); - -#if defined(__USE_FILE_OFFSET64) -off_t lseek(int __fd, off_t __offset, int __whence) __RENAME(lseek64); -#else -off_t lseek(int __fd, off_t __offset, int __whence); -#endif - -off64_t lseek64(int __fd, off64_t __offset, int __whence); - -#if defined(__USE_FILE_OFFSET64) && __ANDROID_API__ >= __ANDROID_API_L__ -int truncate(const char* __path, off_t __length) __RENAME(truncate64) __INTRODUCED_IN(21); -ssize_t pread(int __fd, void* __buf, size_t __count, off_t __offset) - __overloadable __RENAME(pread64) __INTRODUCED_IN(12); -ssize_t pwrite(int __fd, const void* __buf, size_t __count, off_t __offset) - __overloadable __RENAME(pwrite64) __INTRODUCED_IN(12); -int ftruncate(int __fd, off_t __length) __RENAME(ftruncate64) __INTRODUCED_IN(12); -#else -int truncate(const char* __path, off_t __length); -ssize_t pread(int __fd, void* __buf, size_t __count, off_t __offset) - __overloadable __RENAME_CLANG(pread); -ssize_t pwrite(int __fd, const void* __buf, size_t __count, off_t __offset) - __overloadable __RENAME_CLANG(pwrite); -int ftruncate(int __fd, off_t __length); -#endif - - -#if __ANDROID_API__ >= 21 -int truncate64(const char* __path, off64_t __length) __INTRODUCED_IN(21); -#endif /* __ANDROID_API__ >= 21 */ - - -#if __ANDROID_API__ >= 12 -ssize_t pread64(int __fd, void* __buf, size_t __count, off64_t __offset) - __INTRODUCED_IN(12) __overloadable __RENAME_CLANG(pread64); -ssize_t pwrite64(int __fd, const void* __buf, size_t __count, off64_t __offset) - __INTRODUCED_IN(12) __overloadable __RENAME_CLANG(pwrite64); -int ftruncate64(int __fd, off64_t __length) __INTRODUCED_IN(12); -#endif /* __ANDROID_API__ >= 12 */ - - -int pause(void); -unsigned int alarm(unsigned int __seconds); -unsigned int sleep(unsigned int __seconds); -int usleep(useconds_t __usec); - -int gethostname(char* __name, size_t __len); - -#if __ANDROID_API__ >= 23 -int sethostname(const char* __name, size_t __len) __INTRODUCED_IN(23); -#endif /* __ANDROID_API__ >= 23 */ - - -int brk(void* __addr); -void* sbrk(ptrdiff_t __increment); - -int isatty(int __fd); -char* ttyname(int __fd); -int ttyname_r(int __fd, char* __buf, size_t __buflen) __INTRODUCED_IN(8); - -int acct(const char* __filepath); - -#if __ANDROID_API__ >= __ANDROID_API_L__ -int getpagesize(void) __INTRODUCED_IN(21); -#else -static __inline__ int getpagesize(void) { - return sysconf(_SC_PAGESIZE); -} -#endif - -long syscall(long __number, ...); - -int daemon(int __nochdir, int __noclose); - -#if defined(__arm__) || (defined(__mips__) && !defined(__LP64__)) -int cacheflush(long __addr, long __nbytes, long __cache); - /* __attribute__((deprecated("use __builtin___clear_cache instead"))); */ -#endif - -pid_t tcgetpgrp(int __fd); -int tcsetpgrp(int __fd, pid_t __pid); - -/* Used to retry syscalls that can return EINTR. */ -#define TEMP_FAILURE_RETRY(exp) ({ \ - __typeof__(exp) _rc; \ - do { \ - _rc = (exp); \ - } while (_rc == -1 && errno == EINTR); \ - _rc; }) - -/* TODO(unified-headers): Factor out all the FORTIFY features. */ - -#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 */ - - -#if __ANDROID_API__ >= 12 -ssize_t __pread64_real(int, void*, size_t, off64_t) __RENAME(pread64) __INTRODUCED_IN(12); -#endif /* __ANDROID_API__ >= 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 */ - - -#if __ANDROID_API__ >= 12 -ssize_t __pwrite64_real(int, const void*, size_t, off64_t) __RENAME(pwrite64) - __INTRODUCED_IN(12); -#endif /* __ANDROID_API__ >= 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 __ANDROID_API__ >= __ANDROID_API_FUTURE__ -int getdomainname(char*, size_t) __INTRODUCED_IN_FUTURE; -int setdomainname(const char*, size_t) __INTRODUCED_IN_FUTURE; -#endif /* __ANDROID_API__ >= __ANDROID_API_FUTURE__ */ - - -#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) \ - __enable_if(what > SSIZE_MAX, #what " must be <= SSIZE_MAX") \ - __errorattr(#what " must be <= SSIZE_MAX") - -#define __enable_if_no_overflow_ssizet(what) \ - __enable_if((what) <= SSIZE_MAX, "enabled if " #what " <= SSIZE_MAX") - -#define __error_if_overflows_objectsize(what, objsize) \ - __enable_if((objsize) != __BIONIC_FORTIFY_UNKNOWN_SIZE && \ - (what) > (objsize), \ - "'" #what "' bytes overflows the given object") \ - __errorattr("'" #what "' bytes overflows the given object") - -__BIONIC_ERROR_FUNCTION_VISIBILITY -char* getcwd(char* buf, size_t size) __overloadable - __error_if_overflows_objectsize(size, __bos(buf)); - -#if __ANDROID_API__ >= __ANDROID_API_N__ -__BIONIC_FORTIFY_INLINE -char* getcwd(char* const __pass_object_size buf, size_t size) __overloadable { - size_t bos = __bos(buf); - - /* - * Clang responds bos==0 if buf==NULL - * (https://llvm.org/bugs/show_bug.cgi?id=23277). Given that NULL is a valid - * value, we need to handle that. - */ - if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE || buf == NULL) { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t pread(int fd, void* buf, size_t count, off_t offset) __overloadable - __error_if_overflows_ssizet(count); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t pread(int fd, void* buf, size_t count, off_t offset) __overloadable - __enable_if_no_overflow_ssizet(count) - __error_if_overflows_objectsize(count, __bos0(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t pread(int fd, void* const __pass_object_size0 buf, size_t count, - off_t offset) __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t pread64(int fd, void* buf, size_t count, off64_t offset) __overloadable - __error_if_overflows_ssizet(count); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t pread64(int fd, void* buf, size_t count, off64_t offset) __overloadable - __enable_if_no_overflow_ssizet(count) - __error_if_overflows_objectsize(count, __bos0(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t pread64(int fd, void* const __pass_object_size0 buf, size_t count, - off64_t offset) __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t pwrite(int fd, const void* buf, size_t count, off_t offset) - __overloadable - __error_if_overflows_ssizet(count); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t pwrite(int fd, const void* buf, size_t count, off_t offset) - __overloadable - __enable_if_no_overflow_ssizet(count) - __error_if_overflows_objectsize(count, __bos0(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t pwrite(int fd, const void* const __pass_object_size0 buf, size_t count, - off_t offset) __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t pwrite64(int fd, const void* buf, size_t count, off64_t offset) - __overloadable - __error_if_overflows_ssizet(count); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t pwrite64(int fd, const void* buf, size_t count, off64_t offset) - __overloadable - __enable_if_no_overflow_ssizet(count) - __error_if_overflows_objectsize(count, __bos0(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t pwrite64(int fd, const void* const __pass_object_size0 buf, - size_t count, off64_t offset) __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t read(int fd, void* buf, size_t count) __overloadable - __error_if_overflows_ssizet(count); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t read(int fd, void* buf, size_t count) __overloadable - __enable_if_no_overflow_ssizet(count) - __error_if_overflows_objectsize(count, __bos0(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t read(int fd, void* const __pass_object_size0 buf, size_t count) - __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t write(int fd, const void* buf, size_t count) __overloadable - __error_if_overflows_ssizet(count); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t write(int fd, const void* buf, size_t count) __overloadable - __enable_if_no_overflow_ssizet(count) - __error_if_overflows_objectsize(count, __bos0(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t write(int fd, const void* const __pass_object_size0 buf, size_t count) - __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t readlink(const char* path, char* buf, size_t size) __overloadable - __error_if_overflows_ssizet(size); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t readlink(const char* path, char* buf, size_t size) __overloadable - __enable_if_no_overflow_ssizet(size) - __error_if_overflows_objectsize(size, __bos(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t readlink(const char* path, char* const __pass_object_size buf, - size_t size) __overloadable { - 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_ERROR_FUNCTION_VISIBILITY -ssize_t readlinkat(int dirfd, const char* path, char* buf, size_t size) - __overloadable - __error_if_overflows_ssizet(size); - -__BIONIC_ERROR_FUNCTION_VISIBILITY -ssize_t readlinkat(int dirfd, const char* path, char* buf, size_t size) - __overloadable - __enable_if_no_overflow_ssizet(size) - __error_if_overflows_objectsize(size, __bos(buf)); - -__BIONIC_FORTIFY_INLINE -ssize_t readlinkat(int dirfd, const char* path, - char* const __pass_object_size buf, size_t size) - __overloadable { - 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) */ - -__END_DECLS - -#endif /* _UNISTD_H_ */ |