diff options
Diffstat (limited to 'sysdeps/unix/bsd/bsdstat.h')
| -rw-r--r-- | sysdeps/unix/bsd/bsdstat.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/bsdstat.h b/sysdeps/unix/bsd/bsdstat.h new file mode 100644 index 0000000..45b68b9 --- /dev/null +++ b/sysdeps/unix/bsd/bsdstat.h @@ -0,0 +1,112 @@ +/* Copyright (C) 1991 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include "ansidecl.h" +#include <errno.h> +#include <stddef.h> +#include <sys/types.h> + +/* This will make it not define major, minor, makedev, and S_IF*. */ +#undef __USE_BSD +#undef __USE_MISC +#include <sys/stat.h> + +#undef stat +#undef fstat + +#undef S_IRWXU +#undef S_IRUSR +#undef S_IWUSR +#undef S_IXUSR +#undef S_IRWXG +#undef S_IRGRP +#undef S_IWGRP +#undef S_IXGRP +#undef S_IRWXO +#undef S_IROTH +#undef S_IWOTH +#undef S_IXOTH +#undef S_ISBLK +#undef S_ISCHR +#undef S_ISDIR +#undef S_ISFIFO +#undef S_ISREG +#undef S_ISUID +#undef S_ISGID +#define stat system_stat +#define fstat system_fstat +#define KERNEL /* Try to avoid misc decls. */ +#include "/usr/include/sys/stat.h" +#undef KERNEL +#undef stat +#undef fstat + +#define member_same(statbufp, sysbufp, member) \ + (offsetof(struct __stat, member) == offsetof(struct system_stat, member) && \ + sizeof((statbufp)->member) == sizeof((sysbufp)->member)) +#define need_stat_mapping(statbufp, sysbufp) \ + (!(member_same(statbufp, sysbufp, st_dev) && \ + member_same(statbufp, sysbufp, st_ino) && \ + member_same(statbufp, sysbufp, st_mode) && \ + member_same(statbufp, sysbufp, st_nlink) && \ + member_same(statbufp, sysbufp, st_uid) && \ + member_same(statbufp, sysbufp, st_gid) && \ + member_same(statbufp, sysbufp, st_rdev) && \ + member_same(statbufp, sysbufp, st_size) && \ + member_same(statbufp, sysbufp, st_atime) && \ + member_same(statbufp, sysbufp, st_mtime) && \ + member_same(statbufp, sysbufp, st_ctime) && \ + member_same(statbufp, sysbufp, st_blksize) && \ + member_same(statbufp, sysbufp, st_blocks))) + +/* Map a system `struct stat' to our `struct stat'. */ +#ifdef __GNUC__ +inline +#endif +static int +DEFUN(mapstat, (sysbuf, statbuf), + CONST struct system_stat *sysbuf AND struct __stat *buf) +{ + if (buf == NULL) + { + errno = EINVAL; + return -1; + } + + if (!need_stat_mapping(buf, sysbuf)) + /* Hopefully this will be optimized out. */ + *buf = *(struct __stat *) sysbuf; + else + { + buf->st_dev = (dev_t) sysbuf->st_dev; + buf->st_ino = (ino_t) sysbuf->st_ino; + buf->st_mode = (mode_t) sysbuf->st_mode; + buf->st_nlink = (nlink_t) sysbuf->st_nlink; + buf->st_uid = (uid_t) sysbuf->st_uid; + buf->st_gid = (gid_t) sysbuf->st_gid; + buf->st_rdev = (dev_t) sysbuf->st_rdev; + buf->st_size = (size_t) sysbuf->st_size; + buf->st_atime = (time_t) sysbuf->st_atime; + buf->st_mtime = (time_t) sysbuf->st_mtime; + buf->st_ctime = (time_t) sysbuf->st_ctime; + buf->st_blksize = (size_t) sysbuf->st_blksize; + buf->st_blocks = (size_t) sysbuf->st_blocks; + } + + return 0; +} |