diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/fstatfs64.c')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/fstatfs64.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/fstatfs64.c b/REORG.TODO/sysdeps/unix/sysv/linux/fstatfs64.c new file mode 100644 index 0000000000..3be70c057a --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/fstatfs64.c @@ -0,0 +1,92 @@ +/* Return information about the filesystem on which FD resides. + Copyright (C) 1996-2017 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 + 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 + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <string.h> +#include <stddef.h> +#include <sysdep.h> +#include <kernel_stat.h> + +/* Hide the prototypes for __fstatfs and fstatfs so that GCC will not + complain about the different function signatures if they are aliased + to __fstat64. If STATFS_IS_STATFS64 is not zero then the statfs and + statfs64 structures have an identical layout but different type names. */ + +#if STATFS_IS_STATFS64 +# define __fstatfs __fstatfs_disable +# define fstatfs fstatfs_disable +#endif +#include <sys/statfs.h> + +#include <kernel-features.h> + +/* Defined in statfs64.c. */ +extern int __no_statfs64 attribute_hidden; + +/* Return information about the filesystem on which FD resides. */ +int +__fstatfs64 (int fd, struct statfs64 *buf) +{ +#ifdef __NR_fstatfs64 +# if __ASSUME_STATFS64 == 0 + if (! __no_statfs64) +# endif + { + int result = INLINE_SYSCALL (fstatfs64, 3, fd, sizeof (*buf), buf); + +# if __ASSUME_STATFS64 == 0 + if (result == 0 || errno != ENOSYS) +# endif + return result; + +# if __ASSUME_STATFS64 == 0 + __no_statfs64 = 1; +# endif + } +#endif + +#if __ASSUME_STATFS64 == 0 + struct statfs buf32; + + if (__fstatfs (fd, &buf32) < 0) + return -1; + + buf->f_type = buf32.f_type; + buf->f_bsize = buf32.f_bsize; + buf->f_blocks = buf32.f_blocks; + buf->f_bfree = buf32.f_bfree; + buf->f_bavail = buf32.f_bavail; + buf->f_files = buf32.f_files; + buf->f_ffree = buf32.f_ffree; + buf->f_fsid = buf32.f_fsid; + buf->f_namelen = buf32.f_namelen; + buf->f_frsize = buf32.f_frsize; + memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare)); + + return 0; +#endif +} +weak_alias (__fstatfs64, fstatfs64) + +#undef __fstatfs +#undef fstatfs + +#if STATFS_IS_STATFS64 +weak_alias (__fstatfs64, __fstatfs) +weak_alias (__fstatfs64, fstatfs) +#endif |