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- /*
- * fstat() for uClibc
- *
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- #include <features.h>
- #include <unistd.h>
- #include <sys/stat.h>
- #include <sys/syscall.h>
- #include <bits/uClibc_arch_features.h>
- #include "xstatconv.h"
- #if defined __NR_fstat64 && !defined __NR_fstat && !defined(__UCLIBC_USE_TIME64__)
- int fstat(int fd, struct stat *buf)
- {
- return INLINE_SYSCALL(fstat64, 2, fd, buf);
- }
- libc_hidden_def(fstat)
- #elif __WORDSIZE == 64 && defined __NR_newfstatat && !defined __ARCH_HAS_DEPRECATED_SYSCALLS__
- #include <fcntl.h>
- int fstat(int fd, struct stat *buf)
- {
- return INLINE_SYSCALL(fstat, 2, fd, buf);
- }
- libc_hidden_def(fstat)
- #elif defined __NR_statx && defined __UCLIBC_HAVE_STATX__
- # include <fcntl.h>
- # include <statx_cp.h>
- int fstat(int fd, struct stat *buf)
- {
- struct statx tmp;
- int rc = INLINE_SYSCALL (statx, 5, fd, "", AT_EMPTY_PATH,
- STATX_BASIC_STATS, &tmp);
- if (rc == 0)
- __cp_stat_statx ((struct stat *)buf, &tmp);
- return rc;
- }
- libc_hidden_def(fstat)
- #elif defined __NR_fstat
- int fstat(int fd, struct stat *buf)
- {
- int result;
- # ifdef __NR_fstat64
- /* normal stat call has limited values for various stat elements
- * e.g. uid device major/minor etc.
- * so we use 64 variant if available
- * in order to get newer versions of stat elements
- */
- struct kernel_stat64 kbuf;
- result = INLINE_SYSCALL(fstat64, 2, fd, &kbuf);
- if (result == 0) {
- __xstat32_conv(&kbuf, buf);
- }
- # else
- struct kernel_stat kbuf;
- result = INLINE_SYSCALL(fstat, 2, fd, &kbuf);
- if (result == 0) {
- __xstat_conv(&kbuf, buf);
- }
- # endif
- return result;
- }
- libc_hidden_def(fstat)
- #endif
- # if ! defined __NR_fstat64 && ! defined __UCLIBC_HAVE_STATX__
- strong_alias_untyped(fstat,fstat64)
- libc_hidden_def(fstat64)
- #endif
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