1 /* 2 * Copyright (c) 2008,2014 Darren Tucker <dtucker (at) 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 #if defined(ANDROID) 27 #include <sys/vfs.h> 28 #include <string.h> 29 #define MNAMELEN PATH_MAX 30 #endif 31 32 #include <errno.h> 33 34 static void 35 copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from) 36 { 37 to->f_bsize = from->f_bsize; 38 to->f_frsize = from->f_bsize; /* no exact equivalent */ 39 to->f_blocks = from->f_blocks; 40 to->f_bfree = from->f_bfree; 41 to->f_bavail = from->f_bavail; 42 to->f_files = from->f_files; 43 to->f_ffree = from->f_ffree; 44 to->f_favail = from->f_ffree; /* no exact equivalent */ 45 to->f_fsid = 0; /* XXX fix me */ 46 #if GCE_PLATFORM_SDK_VERSION >= 19 47 to->f_flag = from->f_flags; 48 #else 49 to->f_flag = from->f_spare[0]; 50 #endif 51 to->f_namemax = MNAMELEN; 52 } 53 54 # ifndef HAVE_STATVFS 55 int statvfs(const char *path, struct statvfs *buf) 56 { 57 # ifdef HAVE_STATFS 58 struct statfs fs; 59 60 memset(&fs, 0, sizeof(fs)); 61 if (statfs(path, &fs) == -1) 62 return -1; 63 copy_statfs_to_statvfs(buf, &fs); 64 return 0; 65 # else 66 errno = ENOSYS; 67 return -1; 68 # endif 69 } 70 # endif 71 72 # ifndef HAVE_FSTATVFS 73 int fstatvfs(int fd, struct statvfs *buf) 74 { 75 # ifdef HAVE_FSTATFS 76 struct statfs fs; 77 78 memset(&fs, 0, sizeof(fs)); 79 if (fstatfs(fd, &fs) == -1) 80 return -1; 81 copy_statfs_to_statvfs(buf, &fs); 82 return 0; 83 # else 84 errno = ENOSYS; 85 return -1; 86 # endif 87 } 88 # endif 89 90 #endif 91
