1 /* $Id: bsd-statvfs.c,v 1.2 2014/01/17 07:10:59 dtucker Exp $ */ 2 3 /* 4 * Copyright (c) 2008,2014 Darren Tucker <dtucker (at) zip.com.au> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include "includes.h" 20 21 #if !defined(HAVE_STATVFS) || !defined(HAVE_FSTATVFS) 22 23 #include <sys/param.h> 24 #ifdef HAVE_SYS_MOUNT_H 25 # include <sys/mount.h> 26 #endif 27 28 #if defined(ANDROID) 29 #include <sys/vfs.h> 30 #include <string.h> 31 #define MNAMELEN PATH_MAX 32 #endif 33 34 #include <errno.h> 35 36 static void 37 copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from) 38 { 39 to->f_bsize = from->f_bsize; 40 to->f_frsize = from->f_bsize; /* no exact equivalent */ 41 to->f_blocks = from->f_blocks; 42 to->f_bfree = from->f_bfree; 43 to->f_bavail = from->f_bavail; 44 to->f_files = from->f_files; 45 to->f_ffree = from->f_ffree; 46 to->f_favail = from->f_ffree; /* no exact equivalent */ 47 to->f_fsid = 0; /* XXX fix me */ 48 #if GCE_PLATFORM_SDK_VERSION >= 19 49 to->f_flag = from->f_flags; 50 #else 51 to->f_flag = from->f_spare[0]; 52 #endif 53 to->f_namemax = MNAMELEN; 54 } 55 56 # ifndef HAVE_STATVFS 57 int statvfs(const char *path, struct statvfs *buf) 58 { 59 # ifdef HAVE_STATFS 60 struct statfs fs; 61 62 memset(&fs, 0, sizeof(fs)); 63 if (statfs(path, &fs) == -1) 64 return -1; 65 copy_statfs_to_statvfs(buf, &fs); 66 return 0; 67 # else 68 errno = ENOSYS; 69 return -1; 70 # endif 71 } 72 # endif 73 74 # ifndef HAVE_FSTATVFS 75 int fstatvfs(int fd, struct statvfs *buf) 76 { 77 # ifdef HAVE_FSTATFS 78 struct statfs fs; 79 80 memset(&fs, 0, sizeof(fs)); 81 if (fstatfs(fd, &fs) == -1) 82 return -1; 83 copy_statfs_to_statvfs(buf, &fs); 84 return 0; 85 # else 86 errno = ENOSYS; 87 return -1; 88 # endif 89 } 90 # endif 91 92 #endif 93
