diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/bits/unistd.h | 106 |
1 files changed, 74 insertions, 32 deletions
diff --git a/posix/bits/unistd.h b/posix/bits/unistd.h index 26cb6641e9..6cf95acc0b 100644 --- a/posix/bits/unistd.h +++ b/posix/bits/unistd.h @@ -23,37 +23,58 @@ extern ssize_t __read_chk (int __fd, void *__buf, size_t __nbytes, size_t __buflen) __wur; -#define read(fd, buf, nbytes) \ - (__bos0 (buf) != (size_t) -1 \ - && (!__builtin_constant_p (nbytes) || (nbytes) > __bos0 (buf)) \ - ? __read_chk (fd, buf, nbytes, __bos0 (buf)) \ - : read (fd, buf, nbytes)) +extern ssize_t __REDIRECT (__read_alias, (int __fd, void *__buf, + size_t __nbytes), read) __wur; + +extern __inline __wur ssize_t +read (int __fd, void *__buf, size_t __nbytes) +{ + if (__bos0 (__buf) != (size_t) -1 + && (!__builtin_constant_p (__nbytes) || __nbytes > __bos0 (__buf))) + return __read_chk (__fd, __buf, __nbytes, __bos0 (__buf)); + return __read_alias (__fd, __buf, __nbytes); +} #ifdef __USE_UNIX98 extern ssize_t __pread_chk (int __fd, void *__buf, size_t __nbytes, __off_t __offset, size_t __bufsize) __wur; extern ssize_t __pread64_chk (int __fd, void *__buf, size_t __nbytes, __off64_t __offset, size_t __bufsize) __wur; +extern ssize_t __REDIRECT (__pread_alias, + (int __fd, void *__buf, size_t __nbytes, + __off_t __offset), pread) __wur; +extern ssize_t __REDIRECT (__pread64_alias, + (int __fd, void *__buf, size_t __nbytes, + __off64_t __offset), pread64) __wur; # ifndef __USE_FILE_OFFSET64 -# define pread(fd, buf, nbytes, offset) \ - (__bos0 (buf) != (size_t) -1 \ - && (!__builtin_constant_p (nbytes) || (nbytes) > __bos0 (buf)) \ - ? __pread64_chk (fd, buf, nbytes, offset, __bos0 (buf)) \ - : pread64 (fd, buf, nbytes, offset)) +extern __inline __wur ssize_t +pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset) +{ + if (__bos0 (__buf) != (size_t) -1 + && (!__builtin_constant_p (__nbytes) || __nbytes > __bos0 (__buf))) + return __pread_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf)); + return __pread_alias (__fd, __buf, __nbytes, __offset); +} # else -# define pread(fd, buf, nbytes, offset) \ - (__bos0 (buf) != (size_t) -1 \ - && (!__builtin_constant_p (nbytes) || (nbytes) > __bos0 (buf)) \ - ? __pread_chk (fd, buf, nbytes, offset, __bos0 (buf)) \ - : pread (fd, buf, nbytes, offset)) +extern __inline __wur ssize_t +pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset) +{ + if (__bos0 (__buf) != (size_t) -1 + && (!__builtin_constant_p (__nbytes) || __nbytes > __bos0 (__buf))) + return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf)); + return __pread64_alias (__fd, __buf, __nbytes, __offset); +} # endif # ifdef __USE_LARGEFILE64 -# define pread64(fd, buf, nbytes, offset) \ - (__bos0 (buf) != (size_t) -1 \ - && (!__builtin_constant_p (nbytes) || (nbytes) > __bos0 (buf)) \ - ? __pread64_chk (fd, buf, nbytes, offset, __bos0 (buf)) \ - : pread64 (fd, buf, nbytes, offset)) +extern __inline __wur ssize_t +pread64 (int __fd, void *__buf, size_t __nbytes, __off64_t __offset) +{ + if (__bos0 (__buf) != (size_t) -1 + && (!__builtin_constant_p (__nbytes) || __nbytes > __bos0 (__buf))) + return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf)); + return __pread64_alias (__fd, __buf, __nbytes, __offset); +} # endif #endif @@ -62,23 +83,44 @@ extern int __readlink_chk (__const char *__restrict __path, char *__restrict __buf, size_t __len, size_t __buflen) __THROW __nonnull ((1, 2)) __wur; -# define readlink(path, buf, len) \ - (__bos (buf) != (size_t) -1 \ - && (!__builtin_constant_p (len) || (len) > __bos (buf)) \ - ? __readlink_chk (path, buf, len, __bos (buf)) \ - : readlink (path, buf, len)) +extern int __REDIRECT_NTH (__readlink_alias, + (__const char *__restrict __path, + char *__restrict __buf, size_t __len), readlink) + __nonnull ((1, 2)) __wur; +extern __inline __nonnull ((1, 2)) __wur int +__NTH (readlink (__const char *__restrict __path, char *__restrict __buf, + size_t __len)) +{ + if (__bos (__buf) != (size_t) -1 + && (!__builtin_constant_p (__len) || __len > __bos (__buf))) + return __readlink_chk (__path, __buf, __len, __bos (__buf)); + return __readlink_alias (__path, __buf, __len); +} #endif extern char *__getcwd_chk (char *__buf, size_t __size, size_t __buflen) __THROW __wur; -#define getcwd(buf, size) \ - (__bos (buf) != (size_t) -1 \ - && (!__builtin_constant_p (size) || (size) > __bos (buf)) \ - ? __getcwd_chk (buf, size, buflen) : getcwd (buf, size)) +extern char *__REDIRECT_NTH (__getcwd_alias, + (char *__buf, size_t __size), getcwd) __wur; +extern __inline __wur char * +__NTH (getcwd (char *__buf, size_t __size)) +{ + if (__bos (__buf) != (size_t) -1 + && (!__builtin_constant_p (__size) || __size > __bos (__buf))) + return __getcwd_chk (__buf, __size, __bos (__buf)); + return __getcwd_alias (__buf, __size); +} #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED extern char *__getwd_chk (char *__buf, size_t buflen) - __THROW __nonnull ((1)) __attribute_deprecated__ __wur; -#define getwd(buf) \ - (__bos (buf) != (size_t) -1 ? __getwd_chk (buf, buflen) : getwd (buf)) + __THROW __nonnull ((1)) __wur; +extern char *__REDIRECT_NTH (__getwd_alias, (char *__buf), getwd) + __nonnull ((1)) __wur; +extern __inline __nonnull ((1)) __attribute_deprecated__ __wur char * +__NTH (getwd (char *__buf)) +{ + if (__bos (__buf) != (size_t) -1) + return __getwd_chk (__buf, __bos (__buf)); + return __getwd_alias (__buf); +} #endif |