diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/statfs64.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/statfs64.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/statfs64.c b/REORG.TODO/sysdeps/unix/sysv/linux/statfs64.c new file mode 100644 index 0000000000..291e421927 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/statfs64.c @@ -0,0 +1,95 @@ +/* Return information about the filesystem on which FILE 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 __statfs and statfs so that GCC will not + complain about the different function signatures if they are aliased + to __stat64. 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 __statfs __statfs_disable +# define statfs statfs_disable +#endif +#include <sys/statfs.h> + +#include <kernel-features.h> + + +# if __ASSUME_STATFS64 == 0 +int __no_statfs64 attribute_hidden; +#endif + +/* Return information about the filesystem on which FILE resides. */ +int +__statfs64 (const char *file, struct statfs64 *buf) +{ +#ifdef __NR_statfs64 +# if __ASSUME_STATFS64 == 0 + if (! __no_statfs64) +# endif + { + int result = INLINE_SYSCALL (statfs64, 3, file, 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 (__statfs (file, &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 (__statfs64, statfs64) + +#undef __statfs +#undef statfs + +#if STATFS_IS_STATFS64 +weak_alias (__statfs64, __statfs) +weak_alias (__statfs64, statfs) +libc_hidden_ver (__statfs64, __statfs) +#endif |