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77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* Copyright (C) 2016 Eistec AB
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @file
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* @brief POSIX compatible sys/statvfs.h definitions
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* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
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*/
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/* If building on native we need to use the system libraries instead */
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#ifdef CPU_NATIVE
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#pragma GCC system_header
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/* without the GCC pragma above #include_next will trigger a pedantic error */
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#include_next <sys/statvfs.h>
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#else
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#ifndef SYS_STATVFS_H
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#define SYS_STATVFS_H
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#include <sys/types.h> /* for fsblkcnt_t, fsfilcnt_t */
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#if MODULE_NEWLIB
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/* newlib support for fsblkcnt_t was only recently added to the newlib git
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* repository, commit f3e587d30a9f65d0c6551ad14095300f6e81672e, 15 apr 2016.
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* Will be included in release 2.5.0, around new year 2016/2017.
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* We provide the below workaround if the used tool chain is too old. */
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#ifndef _FSBLKCNT_T_DECLARED /* for statvfs() */
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#include <stdint.h>
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/* Default to 32 bit file sizes on newlib platforms */
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typedef uint32_t fsblkcnt_t;
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typedef uint32_t fsfilcnt_t;
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#define _FSBLKCNT_T_DECLARED
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief File system information
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*/
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struct statvfs {
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unsigned long f_bsize; /**< File system block size. */
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unsigned long f_frsize; /**< Fundamental file system block size. */
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fsblkcnt_t f_blocks; /**< Total number of blocks on file system in
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units of @c f_frsize. */
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fsblkcnt_t f_bfree; /**< Total number of free blocks. */
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fsblkcnt_t f_bavail; /**< Number of free blocks available to
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non-privileged process. */
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fsfilcnt_t f_files; /**< Total number of file serial numbers. */
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fsfilcnt_t f_ffree; /**< Total number of free file serial numbers. */
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fsfilcnt_t f_favail; /**< Number of file serial numbers available to
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non-privileged process. */
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unsigned long f_fsid; /**< File system ID. */
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unsigned long f_flag; /**< Bit mask of f_flag values. */
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unsigned long f_namemax; /**< Maximum filename length. */
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};
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enum {
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ST_RDONLY = 1, /* Mount read-only. */
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ST_NOSUID = 2, /* Ignore suid and sgid bits. */
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* SYS_STATVFS_H */
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#endif /* CPU_NATIVE */
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/** @} */
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