diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/fxstatat.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/fxstatat.c | 53 |
1 files changed, 21 insertions, 32 deletions
diff --git a/sysdeps/unix/sysv/linux/fxstatat.c b/sysdeps/unix/sysv/linux/fxstatat.c index 937fec45c2..0291a2c598 100644 --- a/sysdeps/unix/sysv/linux/fxstatat.c +++ b/sysdeps/unix/sysv/linux/fxstatat.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2005-2020 Free Software Foundation, Inc. +/* fxstatat used on fstatat, Linux implementation. + Copyright (C) 2005-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -15,48 +16,36 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -/* Ho hum, if fxstatat == fxstatat64 we must get rid of the prototype or gcc - will complain since they don't strictly match. */ -#define __fxstatat64 __fxstatat64_disable - -#include <errno.h> -#include <fcntl.h> -#include <stddef.h> -#include <stdio.h> -#include <string.h> #include <sys/stat.h> +#include <fcntl.h> #include <kernel_stat.h> - #include <sysdep.h> -#include <sys/syscall.h> -#include <xstatconv.h> +#if !XSTAT_IS_XSTAT64 +# include <xstatconv.h> +# include <xstatover.h> -/* Get information about the file NAME in BUF. */ +/* Get information about the file FD in BUF. */ int __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) { - int result; #if STAT_IS_KERNEL_STAT -# define kst (*st) -#else - struct kernel_stat kst; -#endif - - result = INTERNAL_SYSCALL_CALL (newfstatat, fd, file, &kst, flag); - if (!__glibc_likely (INTERNAL_SYSCALL_ERROR_P (result))) + /* New kABIs which uses generic pre 64-bit time Linux ABI, e.g. + csky, nios2 */ + if (vers == _STAT_VER_KERNEL) { -#if STAT_IS_KERNEL_STAT - return 0; + int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, st, flag); + return r ?: stat_overflow (st); + } + return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); #else - return __xstat_conv (vers, &kst, st); + /* Old kABIs with old non-LFS support, e.g. arm, i386, hppa, m68k, mips32, + microblaze, s390, sh, powerpc32, and sparc32. */ + struct stat64 st64; + int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &st64, flag); + return r ?: __xstat32_conv (vers, &st64, st); #endif - } - return INLINE_SYSCALL_ERROR_RETURN_VALUE (INTERNAL_SYSCALL_ERRNO (result)); } libc_hidden_def (__fxstatat) -#if XSTAT_IS_XSTAT64 -# undef __fxstatat64 -strong_alias (__fxstatat, __fxstatat64); -libc_hidden_def (__fxstatat64) -#endif + +#endif /* XSTAT_IS_XSTAT64 */ |