Major rework of the include files to eliminate redundancy

and to better support each arch.  This is a really big patch...
 -Erik

1 files changed, 144 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/common/bits/xopen_lim.h b/libc/sysdeps/linux/common/bits/xopen_lim.h
new file mode 100644
index 000000000..7f3611860
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/xopen_lim.h
@@ -0,0 +1,144 @@
+/* Copyright (C) 1996, 1997, 1999, 2001 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/*
+ * Never include this file directly; use <limits.h> instead.
+ */
+
+/* Additional definitions from X/Open Portability Guide, Issue 4, Version 2
+   System Interfaces and Headers, 4.16 <limits.h>
+
+   Please note only the values which are not greater than the minimum
+   stated in the standard document are listed.  The `sysconf' functions
+   should be used to obtain the actual value.  */
+
+#ifndef _XOPEN_LIM_H
+#define _XOPEN_LIM_H	1
+
+#define __need_IOV_MAX
+#include <bits/stdio_lim.h>
+
+/* We do not provide fixed values for
+
+   ARG_MAX	Maximum length of argument to the `exec' function
+		including environment data.
+
+   ATEXIT_MAX	Maximum number of functions that may be registered
+		with `atexit'.
+
+   CHILD_MAX	Maximum number of simultaneous processes per real
+		user ID.
+
+   OPEN_MAX	Maximum number of files that one process can have open
+		at anyone time.
+
+   PAGESIZE
+   PAGE_SIZE	Size of bytes of a page.
+
+   PASS_MAX	Maximum number of significant bytes in a password.
+
+   We only provide a fixed limit for
+
+   IOV_MAX	Maximum number of `iovec' structures that one process has
+		available for use with `readv' or writev'.
+
+   if this is indeed fixed by the underlying system.
+*/
+
+
+/* Maximum number of `iovec' structures that one process has available
+   for use with `readv' or writev'.  */
+#define	_XOPEN_IOV_MAX	_POSIX_UIO_MAXIOV
+
+
+/* Maximum value of `digit' in calls to the `printf' and `scanf'
+   functions.  We have no limit, so return a reasonable value.  */
+#define NL_ARGMAX	_POSIX_ARG_MAX
+
+/* Maximum number of bytes in a `LANG' name.  We have no limit.  */
+#define NL_LANGMAX	_POSIX2_LINE_MAX
+
+/* Maximum message number.  We have no limit.  */
+#define NL_MSGMAX	INT_MAX
+
+/* Maximum number of bytes in N-to-1 collation mapping.  We have no
+   limit.  */
+#define NL_NMAX		INT_MAX
+
+/* Maximum set number.  We have no limit.  */
+#define NL_SETMAX	INT_MAX
+
+/* Maximum number of bytes in a message.  We have no limit.  */
+#define NL_TEXTMAX	INT_MAX
+
+/* Default process priority.  */
+#define NZERO		20
+
+
+/* Number of bits in a word of type `int'.  */
+#ifdef INT_MAX
+# if INT_MAX == 32767
+#  define WORD_BIT	16
+# else
+#  if INT_MAX == 2147483647
+#   define WORD_BIT	32
+#  else
+/* Safe assumption.  */
+#   define WORD_BIT	64
+#  endif
+# endif
+#elif defined __INT_MAX__
+# if __INT_MAX__ == 32767
+#  define WORD_BIT	16
+# else
+#  if __INT_MAX__ == 2147483647
+#   define WORD_BIT	32
+#  else
+/* Safe assumption.  */
+#   define WORD_BIT	64
+#  endif
+# endif
+#else
+# define WORD_BIT	32
+#endif
+
+/* Number of bits in a word of type `long int'.  */
+#ifdef LONG_MAX
+# if LONG_MAX == 2147483647
+#  define LONG_BIT	32
+# else
+/* Safe assumption.  */
+#  define LONG_BIT	64
+# endif
+#elif defined __LONG_MAX__
+# if __LONG_MAX__ == 2147483647
+#  define LONG_BIT	32
+# else
+/* Safe assumption.  */
+#  define LONG_BIT	64
+# endif
+#else
+# include <bits/wordsize.h>
+# if __WORDSIZE == 64
+#  define LONG_BIT	64
+# else
+#  define LONG_BIT	32
+# endif
+#endif
+
+#endif /* bits/xopen_lim.h */