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authorRoland McGrath <roland@hack.frob.com>2012-08-17 09:55:17 -0700
committerRoland McGrath <roland@hack.frob.com>2012-08-17 09:55:17 -0700
commite66a42f57fd20d1c7bbdc5f7937831d13bcf709b (patch)
tree6aba9ac56780e910339abe7a18ccb80f466ee3d0 /sysdeps/unix
parentb7c08a66f6b8855ce93743a0f4587667301fa8f9 (diff)
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Split sys/param.h out into common file and sysdeps bits/param.h file.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/bits/param.h42
-rw-r--r--sysdeps/unix/sysv/linux/sys/param.h82
2 files changed, 42 insertions, 82 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/param.h b/sysdeps/unix/sysv/linux/bits/param.h
new file mode 100644
index 0000000000..36ca088e5a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/param.h
@@ -0,0 +1,42 @@
+/* Old-style Unix parameters and limits.  Linux version.
+   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
+# error "Never use <bits/param.h> directly; include <sys/param.h> instead."
+#endif
+
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+#include <linux/limits.h>
+#include <linux/param.h>
+
+/* The kernel headers define ARG_MAX.  The value is wrong, though.  */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+#define	MAXSYMLINKS	20
+
+/* The following are not really correct but it is a value we used for a
+   long time and which seems to be usable.  People should not use NOFILE
+   and NCARGS anyway.  */
+#define NOFILE		256
+#define	NCARGS		131072
diff --git a/sysdeps/unix/sysv/linux/sys/param.h b/sysdeps/unix/sysv/linux/sys/param.h
deleted file mode 100644
index c419b86408..0000000000
--- a/sysdeps/unix/sysv/linux/sys/param.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/* Copyright (C) 1995-1997,2000,2001,2003,2008,2011
-   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
-
-#ifndef ARG_MAX
-# define __undef_ARG_MAX
-#endif
-
-#include <limits.h>
-#include <linux/limits.h>
-#include <linux/param.h>
-
-/* The kernel headers defines ARG_MAX.  The value is wrong, though.  */
-#ifdef __undef_ARG_MAX
-# undef ARG_MAX
-# undef __undef_ARG_MAX
-#endif
-
-/* BSD names for some <limits.h> values.  */
-
-#define	NBBY		CHAR_BIT
-#ifndef	NGROUPS
-# define NGROUPS	NGROUPS_MAX
-#endif
-#define	MAXSYMLINKS	20
-#define	CANBSIZ		MAX_CANON
-#define MAXPATHLEN	PATH_MAX
-/* The following are not really correct but it is a value we used for a
-   long time and which seems to be usable.  People should not use NOFILE
-   and NCARGS anyway.  */
-#define NOFILE		256
-#define	NCARGS		131072
-
-
-#include <sys/types.h>
-
-/* 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))
-
-
-/* Unit of `st_blocks'.  */
-#define DEV_BSIZE       512
-
-
-#endif	/* sys/param.h */