diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/fxstatat.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/fxstatat.c | 86 |
1 files changed, 5 insertions, 81 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/fxstatat.c b/sysdeps/unix/sysv/linux/i386/fxstatat.c index 8fdbbb81f5..08a880ab8e 100644 --- a/sysdeps/unix/sysv/linux/i386/fxstatat.c +++ b/sysdeps/unix/sysv/linux/i386/fxstatat.c @@ -30,8 +30,6 @@ #include <sysdep.h> #include <sys/syscall.h> -#include <kernel-features.h> - #include <xstatconv.h> @@ -43,88 +41,14 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) 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 (__glibc_unlikely (flag & ~AT_SYMLINK_NOFOLLOW)) - { - __set_errno (EINVAL); - return -1; - } - - char *buf = NULL; - - if (fd != AT_FDCWD && file[0] != '/') - { - size_t filelen = strlen (file); - if (__glibc_unlikely (filelen == 0)) - { - __set_errno (ENOENT); - return -1; - } - - static const char procfd[] = "/proc/self/fd/%d/%s"; - /* Buffer for the path name we are going to use. It consists of - - the string /proc/self/fd/ - - the file descriptor number - - the file name provided. - The final NUL is included in the sizeof. A bit of overhead - due to the format elements compensates for possible negative - numbers. */ - size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; - buf = alloca (buflen); - - __snprintf (buf, buflen, procfd, fd, file); - file = buf; - } - - if (vers == _STAT_VER_KERNEL) - { - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat, err, 2, file, - (struct kernel_stat *) st); - else - result = INTERNAL_SYSCALL (stat, err, 2, file, - (struct kernel_stat *) st); - goto out; - } - - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat64, err, 2, file, &st64); - else - result = INTERNAL_SYSCALL (stat64, err, 2, file, &st64); - if (__glibc_likely (!INTERNAL_SYSCALL_ERROR_P (result, err))) + result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, &st64, flag); + if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1)) return __xstat32_conv (vers, &st64, st); - - out: - if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (result, err))) + else { - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - result = -1; + __set_errno (INTERNAL_SYSCALL_ERRNO (result, err)); + return -1; } - - return result; -#endif } libc_hidden_def (__fxstatat) #ifdef XSTAT_IS_XSTAT64 |