Split sys/param.h out into common file and sysdeps bits/param.h file.

2 files changed, 103 insertions, 1 deletions

diff --git a/misc/Makefile b/misc/Makefile
index d35654cc3f..e5e9b9f152 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -25,7 +25,8 @@ headers	:= sys/uio.h bits/uio.h sys/ioctl.h bits/ioctls.h bits/ioctl-types.h \
 	   sys/ptrace.h sys/file.h sys/dir.h sys/cdefs.h \
 	   ar.h a.out.h libgen.h stab.h bits/stab.def sgtty.h \
 	   ttyent.h paths.h sys/reboot.h \
-	   sys/mman.h sys/param.h fstab.h mntent.h search.h err.h error.h \
+	   sys/mman.h sys/param.h bits/param.h \
+	   fstab.h mntent.h search.h err.h error.h \
 	   sys/queue.h sysexits.h syscall.h sys/syscall.h sys/swap.h \
 	   sys/select.h ustat.h sys/ustat.h bits/ustat.h sys/sysinfo.h \
 	   regexp.h bits/select.h bits/mman.h sys/xattr.h \
diff --git a/misc/sys/param.h b/misc/sys/param.h
new file mode 100644
index 0000000000..0eafd680da
--- /dev/null
+++ b/misc/sys/param.h
@@ -0,0 +1,101 @@
+/* Compatibility header for old-style Unix parameters and limits.
+   Copyright (C) 1995-2012 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_PARAM_H
+#define _SYS_PARAM_H    1
+
+#define __need_NULL
+#include <stddef.h>
+
+#include <sys/types.h>
+#include <limits.h>
+#include <endian.h>                     /* Define BYTE_ORDER et al.  */
+#include <signal.h>                     /* Define NSIG.  */
+
+/* This file defines some things in system-specific ways.  */
+#include <bits/param.h>
+
+
+/* BSD names for some <limits.h> values.  */
+
+#define NBBY		CHAR_BIT
+
+#if !defined NGROUPS && defined NGROUPS_MAX
+# define NGROUPS	NGROUPS_MAX
+#endif
+#if !defined MAXSYMLINKS && defined SYMLOOP_MAX
+# define MAXSYMLINKS	SYMLOOP_MAX
+#endif
+#if !defined CANBSIZ && defined MAX_CANON
+# define CANBSIZ	MAX_CANON
+#endif
+#if !defined MAXPATHLEN && defined PATH_MAX
+# define MAXPATHLEN	PATH_MAX
+#endif
+#if !defined NOFILE && defined OPEN_MAX
+# define NOFILE		OPEN_MAX
+#endif
+#ifndef NCARGS
+# ifdef ARG_MAX
+#  define NCARGS	ARG_MAX
+# else
+/* ARG_MAX is unlimited, but we define NCARGS for BSD programs that want to
+   compare against some fixed limit.  */
+# define NCARGS		INT_MAX
+# endif
+#endif
+
+
+/* Magical constants.  */
+#ifndef NOGROUP
+# define NOGROUP	65535     /* Marker for empty group set member.  */
+#endif
+#ifndef NODEV
+# define NODEV		((dev_t) -1)    /* Non-existent device.  */
+#endif
+
+
+/* Unit of `st_blocks'.  */
+#define DEV_BSIZE       512
+
+
+/* Bit map related macros.  */
+#define setbit(a,i)     ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
+#define clrbit(a,i)     ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
+#define isset(a,i)      ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
+#define isclr(a,i)      (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
+
+/* Macros for counting and rounding.  */
+#ifndef howmany
+# define howmany(x, y)  (((x) + ((y) - 1)) / (y))
+#endif
+#ifdef __GNUC__
+# define roundup(x, y)  (__builtin_constant_p (y) && powerof2 (y)             \
+                         ? (((x) + (y) - 1) & ~((y) - 1))                     \
+                         : ((((x) + ((y) - 1)) / (y)) * (y)))
+#else
+# define roundup(x, y)  ((((x) + ((y) - 1)) / (y)) * (y))
+#endif
+#define powerof2(x)     ((((x) - 1) & (x)) == 0)
+
+/* Macros for min/max.  */
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+
+
+#endif  /* sys/param.h */