diff options
Diffstat (limited to 'sysdeps/mach/hurd/xstatconv.c')
-rw-r--r-- | sysdeps/mach/hurd/xstatconv.c | 72 |
1 files changed, 46 insertions, 26 deletions
diff --git a/sysdeps/mach/hurd/xstatconv.c b/sysdeps/mach/hurd/xstatconv.c index 3a5fbe7..e28643c 100644 --- a/sysdeps/mach/hurd/xstatconv.c +++ b/sysdeps/mach/hurd/xstatconv.c @@ -1,5 +1,5 @@ /* Convert between `struct stat' format, and `struct stat64' format. - Copyright (C) 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 2000,01,02 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 @@ -17,32 +17,52 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <string.h> +#include <errno.h> #include <sys/stat.h> -static inline void -xstat64_conv (struct stat *buf, struct stat64 *buf64) +static inline int +xstat64_conv (struct stat *buf, const struct stat64 *buf64) { - memset (buf64, 0, sizeof (struct stat64)); - - buf64->st_fstype = buf->st_fstype; - buf64->st_fsid = buf->st_fsid; - buf64->st_ino = buf->st_ino; - buf64->st_gen = buf->st_gen; - buf64->st_rdev = buf->st_rdev; - buf64->st_mode = buf->st_mode; - buf64->st_nlink = buf->st_nlink; - buf64->st_uid = buf->st_uid; - buf64->st_gid = buf->st_gid; - buf64->st_size = buf->st_size; - buf64->st_atime = buf->st_atime; - buf64->st_atime_usec = buf->st_atime_usec; - buf64->st_mtime = buf->st_mtime; - buf64->st_mtime_usec = buf->st_mtime_usec; - buf64->st_ctime = buf->st_ctime; - buf64->st_ctime_usec = buf->st_ctime_usec; - buf64->st_blksize = buf->st_blksize; - buf64->st_blocks = buf->st_blocks; - buf64->st_author = buf->st_author; - buf64->st_flags = buf->st_flags; + 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_atime = buf64->st_atime; + buf->st_atime_usec = buf64->st_atime_usec; + buf->st_mtime = buf64->st_mtime; + buf->st_mtime_usec = buf64->st_mtime_usec; + buf->st_ctime = buf64->st_ctime; + buf->st_ctime_usec = buf64->st_ctime_usec; + 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; } |