1 /* 2 * Copyright (c) 2008,2014 Darren Tucker <dtucker@zip.com.au> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 14 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include "includes.h" 18 19 #if !defined(HAVE_STATVFS) || !defined(HAVE_FSTATVFS) 20 21 #include <sys/param.h> 22 #ifdef HAVE_SYS_MOUNT_H 23 # include <sys/mount.h> 24 #endif 25 26 #include <errno.h> 27 28 static void 29 copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from) 30 { 31 to->f_bsize = from->f_bsize; 32 to->f_frsize = from->f_bsize; /* no exact equivalent */ 33 to->f_blocks = from->f_blocks; 34 to->f_bfree = from->f_bfree; 35 to->f_bavail = from->f_bavail; 36 to->f_files = from->f_files; 37 to->f_ffree = from->f_ffree; 38 to->f_favail = from->f_ffree; /* no exact equivalent */ 39 to->f_fsid = 0; /* XXX fix me */ 40 to->f_flag = from->f_flags; 41 to->f_namemax = MNAMELEN; 42 } 43 44 # ifndef HAVE_STATVFS 45 int statvfs(const char *path, struct statvfs *buf) 46 { 47 # ifdef HAVE_STATFS 48 struct statfs fs; 49 50 memset(&fs, 0, sizeof(fs)); 51 if (statfs(path, &fs) == -1) 52 return -1; 53 copy_statfs_to_statvfs(buf, &fs); 54 return 0; 55 # else 56 errno = ENOSYS; 57 return -1; 58 # endif 59 } 60 # endif 61 62 # ifndef HAVE_FSTATVFS 63 int fstatvfs(int fd, struct statvfs *buf) 64 { 65 # ifdef HAVE_FSTATFS 66 struct statfs fs; 67 68 memset(&fs, 0, sizeof(fs)); 69 if (fstatfs(fd, &fs) == -1) 70 return -1; 71 copy_statfs_to_statvfs(buf, &fs); 72 return 0; 73 # else 74 errno = ENOSYS; 75 return -1; 76 # endif 77 } 78 # endif 79 80 #endif 81