diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/fxstatat.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/fxstatat.c | 51 |
1 files changed, 37 insertions, 14 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/fxstatat.c b/sysdeps/unix/sysv/linux/i386/fxstatat.c index 65fab5179c..b077435553 100644 --- a/sysdeps/unix/sysv/linux/i386/fxstatat.c +++ b/sysdeps/unix/sysv/linux/i386/fxstatat.c @@ -48,6 +48,33 @@ extern int __have_no_stat64; int __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) { + int result; + INTERNAL_SYSCALL_DECL (err); + struct stat64 st64; + +#ifdef __NR_fstatat64 +# ifndef __ASSUME_ATFCTS + if (__have_atfcts >= 0) +# endif + { + result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, &st64, flag); +# ifndef __ASSUME_ATFCTS + if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1) + && INTERNAL_SYSCALL_ERRNO (result, err) == ENOSYS) + __have_atfcts = -1; + else +# endif + if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return __xstat32_conv (vers, &st64, st); + else + { + __set_errno (INTERNAL_SYSCALL_ERRNO (result, err)); + return -1; + } + } +#endif + +#ifndef __ASSUME_ATFCTS if (__builtin_expect (flag & ~AT_SYMLINK_NOFOLLOW, 0)) { __set_errno (EINVAL); @@ -74,12 +101,9 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) file = buf; } -#if __ASSUME_STAT64_SYSCALL == 0 +# if __ASSUME_STAT64_SYSCALL == 0 struct kernel_stat kst; -#endif - int result; - INTERNAL_SYSCALL_DECL (err); - +# endif if (vers == _STAT_VER_KERNEL) { if (flag & AT_SYMLINK_NOFOLLOW) @@ -91,8 +115,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) goto out; } -#if __ASSUME_STAT64_SYSCALL > 0 - struct stat64 st64; +# if __ASSUME_STAT64_SYSCALL > 0 if (flag & AT_SYMLINK_NOFOLLOW) result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file), @@ -102,14 +125,12 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) __ptrvalue (&st64)); if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) return __xstat32_conv (vers, &st64, st); -#else -# if defined __NR_stat64 +# else +# if defined __NR_stat64 /* To support 32 bit UIDs, we have to use stat64. The normal stat call only returns 16 bit UIDs. */ if (! __have_no_stat64) { - struct stat64 st64; - if (flag & AT_SYMLINK_NOFOLLOW) result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file), __ptrvalue (&st64)); @@ -126,7 +147,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) __have_no_stat64 = 1; } -# endif +# endif if (flag & AT_SYMLINK_NOFOLLOW) result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file), __ptrvalue (&kst)); @@ -135,7 +156,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) __ptrvalue (&kst)); if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) return __xstat_conv (vers, &kst, st); -#endif /* __ASSUME_STAT64_SYSCALL */ +# endif /* __ASSUME_STAT64_SYSCALL */ out: if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0)) @@ -145,9 +166,11 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) } return result; +#endif } +libc_hidden_def (__fxstatat) #ifdef XSTAT_IS_XSTAT64 # undef __fxstatat64 strong_alias (__fxstatat, __fxstatat64); -libc_hidden_ver (__fxstatat, __fxstatat64) +libc_hidden_def (__fxstatat64) #endif |