diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/fxstatat.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/fxstatat.c | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/fxstatat.c b/sysdeps/unix/sysv/linux/fxstatat.c index 77debf71d3..c1c416abd7 100644 --- a/sysdeps/unix/sysv/linux/fxstatat.c +++ b/sysdeps/unix/sysv/linux/fxstatat.c @@ -37,6 +37,42 @@ int __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) { + int result; + INTERNAL_SYSCALL_DECL (err); +#ifdef STAT_IS_KERNEL_STAT +# define kst (*st) +#else + struct kernel_stat kst; +#endif + +#ifdef __NR_newfstatat +# ifndef __ASSUME_ATFCTS + if (__have_atfcts >= 0) +# endif + { + result = INTERNAL_SYSCALL (newfstatat, err, 4, fd, file, &kst, 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)) + { +#ifdef STAT_IS_KERNEL_STAT + return 0; +#else + return __xstat_conv (vers, &kst, st); +#endif + } + else + { + __set_errno (INTERNAL_SYSCALL_ERRNO (result, err)); + return -1; + } + } +#endif + if (flag & ~AT_SYMLINK_NOFOLLOW) { __set_errno (EINVAL); @@ -63,9 +99,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) file = buf; } - int result; - INTERNAL_SYSCALL_DECL (err); - if (vers == _STAT_VER_KERNEL) { if (flag & AT_SYMLINK_NOFOLLOW) @@ -85,8 +118,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) return -1; } #else - struct kernel_stat kst; - if (flag & AT_SYMLINK_NOFOLLOW) result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file), __ptrvalue (&kst)); @@ -102,8 +133,9 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) return -1; } +libc_hidden_def (__fxstatat) #ifdef XSTAT_IS_XSTAT64 # undef __fxstatat64 strong_alias (__fxstatat, __fxstatat64); -libc_hidden_ver (__fxstatat, __fxstatat64) +libc_hidden_def (__fxstatat64) #endif |