diff options
Diffstat (limited to 'sysdeps/mach/hurd/statconv.c')
-rw-r--r-- | sysdeps/mach/hurd/statconv.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/statconv.c b/sysdeps/mach/hurd/statconv.c new file mode 100644 index 0000000000..7600161589 --- /dev/null +++ b/sysdeps/mach/hurd/statconv.c @@ -0,0 +1,64 @@ +/* Convert between `struct stat' format, and `struct stat64' format. + Copyright (C) 2000-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <sys/stat.h> + +static inline int +stat64_conv (struct stat *buf, const struct stat64 *buf64) +{ + if (sizeof *buf == sizeof *buf64 + && sizeof buf->st_ino == sizeof buf64->st_ino + && sizeof buf->st_size == sizeof buf64->st_size + && sizeof buf->st_blocks == sizeof buf64->st_blocks) + { + *buf = *(struct stat *) buf64; + return 0; + } + + buf->st_fstype = buf64->st_fstype; + buf->st_fsid = buf64->st_fsid; + buf->st_ino = buf64->st_ino; + buf->st_gen = buf64->st_gen; + buf->st_rdev = buf64->st_rdev; + buf->st_mode = buf64->st_mode; + buf->st_nlink = buf64->st_nlink; + buf->st_uid = buf64->st_uid; + buf->st_gid = buf64->st_gid; + buf->st_size = buf64->st_size; + buf->st_atim = buf64->st_atim; + buf->st_mtim = buf64->st_mtim; + buf->st_ctim = buf64->st_ctim; + buf->st_blksize = buf64->st_blksize; + buf->st_blocks = buf64->st_blocks; + buf->st_author = buf64->st_author; + buf->st_flags = buf64->st_flags; + + if ((sizeof buf->st_ino != sizeof buf64->st_ino + && buf->st_ino != buf64->st_ino) + || (sizeof buf->st_size != sizeof buf64->st_size + && buf->st_size != buf64->st_size) + || (sizeof buf->st_blocks != sizeof buf64->st_blocks + && buf->st_blocks != buf64->st_blocks)) + { + __set_errno (EOVERFLOW); + return -1; + } + + return 0; +} |