/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * Copyright 2014 Garrett D'Amore <garrett@damore.org> * * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_STATVFS_H #define _SYS_STATVFS_H #include <sys/feature_tests.h> #include <sys/types.h> #ifdef __cplusplus extern "C" { #endif /* * Structure returned by statvfs(2). */ #define _FSTYPSZ 16 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #ifndef FSTYPSZ #define FSTYPSZ _FSTYPSZ #endif #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ typedef struct statvfs { unsigned long f_bsize; /* fundamental file system block size */ unsigned long f_frsize; /* fragment size */ fsblkcnt_t f_blocks; /* total blocks of f_frsize on fs */ fsblkcnt_t f_bfree; /* total free blocks of f_frsize */ fsblkcnt_t f_bavail; /* free blocks avail to non-superuser */ fsfilcnt_t f_files; /* total file nodes (inodes) */ fsfilcnt_t f_ffree; /* total free file nodes */ fsfilcnt_t f_favail; /* free nodes avail to non-superuser */ unsigned long f_fsid; /* file system id (dev for now) */ char f_basetype[_FSTYPSZ]; /* target fs type name, */ /* null-terminated */ unsigned long f_flag; /* bit-mask of flags */ unsigned long f_namemax; /* maximum file name length */ char f_fstr[32]; /* filesystem-specific string */ #if !defined(_LP64) unsigned long f_filler[16]; /* reserved for future expansion */ #endif } statvfs_t; #if defined(_SYSCALL32) /* Kernel view of user ILP32 statvfs structure */ typedef struct statvfs32 { uint32_t f_bsize; /* fundamental file system block size */ uint32_t f_frsize; /* fragment size */ fsblkcnt32_t f_blocks; /* total blocks of f_frsize on fs */ fsblkcnt32_t f_bfree; /* total free blocks of f_frsize */ fsblkcnt32_t f_bavail; /* free blocks avail to non-superuser */ fsfilcnt32_t f_files; /* total file nodes (inodes) */ fsfilcnt32_t f_ffree; /* total free file nodes */ fsfilcnt32_t f_favail; /* free nodes avail to non-superuser */ uint32_t f_fsid; /* file system id (dev for now) */ char f_basetype[_FSTYPSZ]; /* target fs type name, */ /* null-terminated */ uint32_t f_flag; /* bit-mask of flags */ uint32_t f_namemax; /* maximum file name length */ char f_fstr[32]; /* filesystem-specific string */ uint32_t f_filler[16]; /* reserved for future expansion */ } statvfs32_t; #endif /* _SYSCALL32 */ /* transitional large file interface version */ #if defined(_LARGEFILE64_SOURCE) typedef struct statvfs64 { unsigned long f_bsize; /* preferred file system block size */ unsigned long f_frsize; /* fundamental file system block size */ fsblkcnt64_t f_blocks; /* total blocks of f_frsize */ fsblkcnt64_t f_bfree; /* total free blocks of f_frsize */ fsblkcnt64_t f_bavail; /* free blocks avail to non-superuser */ fsfilcnt64_t f_files; /* total # of file nodes (inodes) */ fsfilcnt64_t f_ffree; /* total # of free file nodes */ fsfilcnt64_t f_favail; /* free nodes avail to non-superuser */ unsigned long f_fsid; /* file system id (dev for now) */ char f_basetype[FSTYPSZ]; /* target fs type name, */ /* null-terminated */ unsigned long f_flag; /* bit-mask of flags */ unsigned long f_namemax; /* maximum file name length */ char f_fstr[32]; /* filesystem-specific string */ #if !defined(_LP64) unsigned long f_filler[16]; /* reserved for future expansion */ #endif /* _LP64 */ } statvfs64_t; #endif #if defined(_SYSCALL32) /* Kernel view of user ILP32 statvfs64 structure */ #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 #pragma pack(4) #endif typedef struct statvfs64_32 { uint32_t f_bsize; /* preferred file system block size */ uint32_t f_frsize; /* fundamental file system block size */ fsblkcnt64_t f_blocks; /* total blocks of f_frsize */ fsblkcnt64_t f_bfree; /* total free blocks of f_frsize */ fsblkcnt64_t f_bavail; /* free blocks avail to non-superuser */ fsfilcnt64_t f_files; /* total # of file nodes (inodes) */ fsfilcnt64_t f_ffree; /* total # of free file nodes */ fsfilcnt64_t f_favail; /* free nodes avail to non-superuser */ uint32_t f_fsid; /* file system id (dev for now) */ char f_basetype[FSTYPSZ]; /* target fs type name, */ /* null-terminated */ uint32_t f_flag; /* bit-mask of flags */ uint32_t f_namemax; /* maximum file name length */ char f_fstr[32]; /* filesystem-specific string */ uint32_t f_filler[16]; /* reserved for future expansion */ } statvfs64_32_t; #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 #pragma pack() #endif #endif /* _SYSCALL32 */ /* * Flag definitions. */ #define ST_RDONLY 0x01 /* read-only file system */ #define ST_NOSUID 0x02 /* does not support setuid/setgid semantics */ #define ST_NOTRUNC 0x04 /* does not truncate long file names */ #if !defined(_KERNEL) /* * large file compilation environment setup */ #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname statvfs statvfs64 #pragma redefine_extname fstatvfs fstatvfs64 #else #define statvfs_t statvfs64_t #define statvfs statvfs64 #define fstatvfs fstatvfs64 #endif #endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) /* * In the LP64 compilation environment, map large file interfaces * back to native versions where possible. */ #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname statvfs64 statvfs #pragma redefine_extname fstatvfs64 fstatvfs #else #define statvfs64_t statvfs_t #define statvfs64 statvfs #define fstatvfs64 fstatvfs #endif #endif /* _LP64 && _LARGEFILE64_SOURCE */ int statvfs(const char *_RESTRICT_KYWD, statvfs_t *_RESTRICT_KYWD); int fstatvfs(int, statvfs_t *); /* transitional large file interface versions */ #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ !defined(__PRAGMA_REDEFINE_EXTNAME)) int statvfs64(const char *_RESTRICT_KYWD, statvfs64_t *_RESTRICT_KYWD); int fstatvfs64(int, statvfs64_t *); #endif /* _LARGEFILE64_SOURCE... */ #endif /* !defined(_KERNEL) */ #ifdef __cplusplus } #endif #endif /* _SYS_STATVFS_H */
