1 /* Convert between `struct statfs' format, and `struct statfs64' format. 2 Copyright (C) 2001-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <sys/statfs.h> 20 #include <errno.h> 21 22 static inline int statfs64_conv(struct statfs * buf,const struct statfs64 * buf64)23statfs64_conv (struct statfs *buf, const struct statfs64 *buf64) 24 { 25 # define DO(memb) \ 26 buf->memb = buf64->memb; \ 27 if (sizeof buf->memb != sizeof buf64->memb && buf->memb != buf64->memb) \ 28 { \ 29 __set_errno (EOVERFLOW); \ 30 return -1; \ 31 } 32 33 DO (f_type); 34 DO (f_bsize); 35 DO (f_blocks); 36 DO (f_bfree); 37 DO (f_bavail); 38 DO (f_files); 39 DO (f_fsid); 40 DO (f_namelen); 41 DO (f_favail); 42 DO (f_frsize); 43 DO (f_flag); 44 45 # undef DO 46 47 return 0; 48 } 49