initial import

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 0000000000..45b68b98c6
--- /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;
+}