compat/statvfs.h

   1 /*
   2  * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef _SQUID_COMPAT_XSTATVFS_H
  10 #define _SQUID_COMPAT_XSTATVFS_H
  11
  12 #if HAVE_SYS_STATVFS_H && HAVE_STATVFS
  13 #include <sys/statvfs.h>
  14 #endif
  15
  16 /* Windows and Linux use sys/vfs.h */
  17 #if HAVE_SYS_VFS_H
  18 #include <sys/vfs.h>
  19 #endif
  20
  21 /* BSD and old Linux use sys/statfs.h */
  22 #if !HAVE_STATVFS
  23 #if HAVE_SYS_STATFS_H
  24 #include <sys/statfs.h>
  25 #endif
  26 /* statfs() needs <sys/param.h> and <sys/mount.h> on BSD systems */
  27 #if HAVE_SYS_PARAM_H
  28 #include <sys/param.h>
  29 #endif
  30 #if HAVE_SYS_MOUNT_H
  31 #include <sys/mount.h>
  32 #endif
  33 #endif /* !HAVE_STATVFS */
  34
  35 #if HAVE_STATVFS
  36 #define xstatvfs statvfs
  37
  38 #else
  39
  40 typedef unsigned long fsblkcnt_t;
  41 typedef unsigned long fsfilcnt_t;
  42
  43 struct statvfs {
  44     unsigned long  f_bsize;    /* file system block size */
  45     unsigned long  f_frsize;   /* fragment size */
  46     fsblkcnt_t     f_blocks;   /* size of fs in f_frsize units */
  47     fsblkcnt_t     f_bfree;    /* # free blocks */
  48     fsblkcnt_t     f_bavail;   /* # free blocks for unprivileged users */
  49     fsfilcnt_t     f_files;    /* # inodes */
  50     fsfilcnt_t     f_ffree;    /* # free inodes */
  51     fsfilcnt_t     f_favail;   /* # free inodes for unprivileged users */
  52     unsigned long  f_fsid;     /* file system ID */
  53     unsigned long  f_flag;     /* mount flags */
  54     unsigned long  f_namemax;  /* maximum filename length */
  55 };
  56
  57 #if defined(__cplusplus)
  58 extern "C"
  59 #endif
  60 int xstatvfs(const char *path, struct statvfs *buf);
  61
  62 #endif
  63
  64 #endif /* _SQUID_COMPAT_XSTATVFS_H */
  65