diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/statfs.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/statfs.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/statfs.c b/sysdeps/unix/sysv/linux/statfs.c new file mode 100644 index 0000000000..ee248b4212 --- /dev/null +++ b/sysdeps/unix/sysv/linux/statfs.c @@ -0,0 +1,61 @@ +/* Copyright (C) 2011-2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + +#include <sys/statfs.h> +#include <time.h> +#include <sysdep.h> +#include <kernel_stat.h> + +#if !STATFS_IS_STATFS64 + +/* Return information about the filesystem on which FILE resides. */ +int +__statfs (const char *file, struct statfs *buf) +{ + struct statfs64 buf64; + int rc = INLINE_SYSCALL_CALL (statfs64, file, sizeof (buf64), &buf64); + if (rc == 0) + { + buf->f_type = buf64.f_type; + buf->f_bsize = buf64.f_bsize; + buf->f_blocks = buf64.f_blocks; + buf->f_bfree = buf64.f_bfree; + buf->f_bavail = buf64.f_bavail; + buf->f_files = buf64.f_files; + buf->f_ffree = buf64.f_ffree; + buf->f_fsid = buf64.f_fsid; + buf->f_namelen = buf64.f_namelen; + buf->f_frsize = buf64.f_frsize; + buf->f_flags = buf64.f_flags; + memcpy (buf->f_spare, buf64.f_spare, sizeof (buf64.f_spare)); + + if ((fsblkcnt_t) buf64.f_blocks != buf64.f_blocks + || (fsblkcnt_t) buf64.f_bfree != buf64.f_bfree + || (fsblkcnt_t) buf64.f_bavail != buf64.f_bavail + || (fsblkcnt_t) buf64.f_files != buf64.f_files + || (fsblkcnt_t) buf64.f_ffree != buf64.f_ffree) + { + __set_errno (EOVERFLOW); + return -1; + } + } + return rc; +} +libc_hidden_def (__statfs) +weak_alias (__statfs, statfs) +#endif |