sync confname, environments with glibc

Plus related synch.
Add a testcase for the sysconf variables based on the one from glibc

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

3 files changed, 128 insertions, 18 deletions

diff --git a/libc/sysdeps/linux/common/bits/confname.h b/libc/sysdeps/linux/common/bits/confname.h
index ab7fdee9d..ec4b72a22 100644
--- a/libc/sysdeps/linux/common/bits/confname.h
+++ b/libc/sysdeps/linux/common/bits/confname.h
@@ -1,5 +1,5 @@
 /* `sysconf', `pathconf', and `confstr' NAME values.  Generic version.
-   Copyright (C) 1993,1995-1998,2000,2001,2003,2004
+   Copyright (C) 1993,1995-1998,2000,2001,2003,2004,2007,2009
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -498,13 +498,39 @@ enum
 
     _SC_IPV6 = _SC_LEVEL1_ICACHE_SIZE + 50,
 #define _SC_IPV6			_SC_IPV6
-    _SC_RAW_SOCKETS
+    _SC_RAW_SOCKETS,
 #define _SC_RAW_SOCKETS			_SC_RAW_SOCKETS
+
+    _SC_V7_ILP32_OFF32,
+#define _SC_V7_ILP32_OFF32		_SC_V7_ILP32_OFF32
+    _SC_V7_ILP32_OFFBIG,
+#define _SC_V7_ILP32_OFFBIG		_SC_V7_ILP32_OFFBIG
+    _SC_V7_LP64_OFF64,
+#define _SC_V7_LP64_OFF64		_SC_V7_LP64_OFF64
+    _SC_V7_LPBIG_OFFBIG,
+#define _SC_V7_LPBIG_OFFBIG		_SC_V7_LPBIG_OFFBIG
+
+    _SC_SS_REPL_MAX,
+#define _SC_SS_REPL_MAX			_SC_SS_REPL_MAX
+
+    _SC_TRACE_EVENT_NAME_MAX,
+#define _SC_TRACE_EVENT_NAME_MAX	_SC_TRACE_EVENT_NAME_MAX
+    _SC_TRACE_NAME_MAX,
+#define _SC_TRACE_NAME_MAX		_SC_TRACE_NAME_MAX
+    _SC_TRACE_SYS_MAX,
+#define _SC_TRACE_SYS_MAX		_SC_TRACE_SYS_MAX
+    _SC_TRACE_USER_EVENT_MAX,
+#define _SC_TRACE_USER_EVENT_MAX	_SC_TRACE_USER_EVENT_MAX
+
+    _SC_XOPEN_STREAMS,
+#define _SC_XOPEN_STREAMS		_SC_XOPEN_STREAMS
+
+    _SC_THREAD_ROBUST_PRIO_INHERIT,
+#define _SC_THREAD_ROBUST_PRIO_INHERIT	_SC_THREAD_ROBUST_PRIO_INHERIT
+    _SC_THREAD_ROBUST_PRIO_PROTECT,
+#define _SC_THREAD_ROBUST_PRIO_PROTECT	_SC_THREAD_ROBUST_PRIO_PROTECT
   };
 
-#if (defined __USE_POSIX2 || defined __USE_UNIX98 \
-     || defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
-     || defined __USE_LARGEFILE)
 /* Values for the NAME argument to `confstr'.  */
 enum
   {
@@ -512,7 +538,21 @@ enum
 #define _CS_PATH		_CS_PATH
 
     _CS_V6_WIDTH_RESTRICTED_ENVS,
-# define _CS_V6_WIDTH_RESTRICTED_ENVS	_CS_V6_WIDTH_RESTRICTED_ENVS
+#define _CS_V6_WIDTH_RESTRICTED_ENVS	_CS_V6_WIDTH_RESTRICTED_ENVS
+#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	_CS_V6_WIDTH_RESTRICTED_ENVS
+
+    _CS_GNU_LIBC_VERSION,
+#define _CS_GNU_LIBC_VERSION	_CS_GNU_LIBC_VERSION
+    _CS_GNU_LIBPTHREAD_VERSION,
+#define _CS_GNU_LIBPTHREAD_VERSION	_CS_GNU_LIBPTHREAD_VERSION
+
+    _CS_V5_WIDTH_RESTRICTED_ENVS,
+#define _CS_V5_WIDTH_RESTRICTED_ENVS	_CS_V5_WIDTH_RESTRICTED_ENVS
+#define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS	_CS_V5_WIDTH_RESTRICTED_ENVS
+
+    _CS_V7_WIDTH_RESTRICTED_ENVS,
+#define _CS_V7_WIDTH_RESTRICTED_ENVS	_CS_V7_WIDTH_RESTRICTED_ENVS
+#define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS	_CS_V7_WIDTH_RESTRICTED_ENVS
 
 # if (defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
      || defined __USE_LARGEFILE)
@@ -568,6 +608,7 @@ enum
     _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS,
 #define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 # endif
+
 # ifdef __USE_XOPEN2K
     _CS_POSIX_V6_ILP32_OFF32_CFLAGS,
 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS _CS_POSIX_V6_ILP32_OFF32_CFLAGS
@@ -599,8 +640,42 @@ enum
 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
     _CS_POSIX_V6_LPBIG_OFFBIG_LIBS,
 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
-    _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS,
 #define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
 # endif
+
+# ifdef __USE_XOPEN2K8
+    _CS_POSIX_V7_ILP32_OFF32_CFLAGS,
+#define _CS_POSIX_V7_ILP32_OFF32_CFLAGS _CS_POSIX_V7_ILP32_OFF32_CFLAGS
+    _CS_POSIX_V7_ILP32_OFF32_LDFLAGS,
+#define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS _CS_POSIX_V7_ILP32_OFF32_LDFLAGS
+    _CS_POSIX_V7_ILP32_OFF32_LIBS,
+#define _CS_POSIX_V7_ILP32_OFF32_LIBS _CS_POSIX_V7_ILP32_OFF32_LIBS
+    _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS,
+#define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS
+    _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS,
+#define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS
+    _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS,
+#define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS
+    _CS_POSIX_V7_ILP32_OFFBIG_LIBS,
+#define _CS_POSIX_V7_ILP32_OFFBIG_LIBS _CS_POSIX_V7_ILP32_OFFBIG_LIBS
+    _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS,
+#define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS
+    _CS_POSIX_V7_LP64_OFF64_CFLAGS,
+#define _CS_POSIX_V7_LP64_OFF64_CFLAGS _CS_POSIX_V7_LP64_OFF64_CFLAGS
+    _CS_POSIX_V7_LP64_OFF64_LDFLAGS,
+#define _CS_POSIX_V7_LP64_OFF64_LDFLAGS _CS_POSIX_V7_LP64_OFF64_LDFLAGS
+    _CS_POSIX_V7_LP64_OFF64_LIBS,
+#define _CS_POSIX_V7_LP64_OFF64_LIBS _CS_POSIX_V7_LP64_OFF64_LIBS
+    _CS_POSIX_V7_LP64_OFF64_LINTFLAGS,
+#define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS _CS_POSIX_V7_LP64_OFF64_LINTFLAGS
+    _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS,
+#define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS
+    _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS,
+#define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
+    _CS_POSIX_V7_LPBIG_OFFBIG_LIBS,
+#define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS _CS_POSIX_V7_LPBIG_OFFBIG_LIBS
+    _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS
+#define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS
+# endif
   };
-#endif
diff --git a/libc/sysdeps/linux/common/bits/environments.h b/libc/sysdeps/linux/common/bits/environments.h
index 4617dc45f..548ea7f84 100644
--- a/libc/sysdeps/linux/common/bits/environments.h
+++ b/libc/sysdeps/linux/common/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2001, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2001, 2004, 2009 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
@@ -27,30 +27,36 @@
    `-1' means it is never supported.  Undefined means it cannot be
    statically decided.
 
-   _POSIX_V6_ILP32_OFF32   32bit int, long, pointers, and off_t type
-   _POSIX_V6_ILP32_OFFBIG  32bit int, long, and pointers and larger off_t type
+   _POSIX_V7_ILP32_OFF32   32bit int, long, pointers, and off_t type
+   _POSIX_V7_ILP32_OFFBIG  32bit int, long, and pointers and larger off_t type
 
-   _POSIX_V6_LP64_OFF32	   64bit long and pointers and 32bit off_t type
-   _POSIX_V6_LPBIG_OFFBIG  64bit long and pointers and large off_t type
+   _POSIX_V7_LP64_OFF32	   64bit long and pointers and 32bit off_t type
+   _POSIX_V7_LPBIG_OFFBIG  64bit long and pointers and large off_t type
 
-   The macros _XBS5_ILP32_OFF32, _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and
-   _XBS5_LPBIG_OFFBIG were used in previous versions of the Unix standard
-   and are available only for compatibility.
+   The macros _POSIX_V6_ILP32_OFF32, _POSIX_V6_ILP32_OFFBIG,
+   _POSIX_V6_LP64_OFF32, _POSIX_V6_LPBIG_OFFBIG, _XBS5_ILP32_OFF32,
+   _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and _XBS5_LPBIG_OFFBIG were
+   used in previous versions of the Unix standard and are available
+   only for compatibility.
 */
 
 #if __WORDSIZE == 64
 
 /* We can never provide environments with 32-bit wide pointers.  */
+# define _POSIX_V7_ILP32_OFF32	-1
+# define _POSIX_V7_ILP32_OFFBIG	-1
 # define _POSIX_V6_ILP32_OFF32	-1
 # define _POSIX_V6_ILP32_OFFBIG	-1
 # define _XBS5_ILP32_OFF32	-1
 # define _XBS5_ILP32_OFFBIG	-1
 /* We also have no use (for now) for an environment with bigger pointers
    and offsets.  */
+# define _POSIX_V7_LPBIG_OFFBIG	-1
 # define _POSIX_V6_LPBIG_OFFBIG	-1
 # define _XBS5_LPBIG_OFFBIG	-1
 
 /* By default we have 64-bit wide `long int', pointers and `off_t'.  */
+# define _POSIX_V7_LP64_OFF64	1
 # define _POSIX_V6_LP64_OFF64	1
 # define _XBS5_LP64_OFF64	1
 
@@ -58,15 +64,19 @@
 
 /* By default we have 32-bit wide `int', `long int', pointers and `off_t'
    and all platforms support LFS.  */
+# define _POSIX_V7_ILP32_OFF32	1
+# define _POSIX_V7_ILP32_OFFBIG	1
 # define _POSIX_V6_ILP32_OFF32	1
 # define _POSIX_V6_ILP32_OFFBIG	1
 # define _XBS5_ILP32_OFF32	1
 # define _XBS5_ILP32_OFFBIG	1
 
 /* We optionally provide an environment with the above size but an 64-bit
-   side `off_t'.  Therefore we don't define _XBS5_ILP32_OFFBIG.  */
+   side `off_t'.  Therefore we don't define _POSIX_V7_ILP32_OFFBIG.  */
 
 /* We can never provide environments with 64-bit wide pointers.  */
+# define _POSIX_V7_LP64_OFF64	-1
+# define _POSIX_V7_LPBIG_OFFBIG	-1
 # define _POSIX_V6_LP64_OFF64	-1
 # define _POSIX_V6_LPBIG_OFFBIG	-1
 # define _XBS5_LP64_OFF64	-1
diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c
index 87206648e..af4389bad 100644
--- a/libc/unistd/sysconf.c
+++ b/libc/unistd/sysconf.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991, 93, 95, 96, 97, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1993,1995-1997,2000
+   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
@@ -863,6 +864,30 @@ long int sysconf(int name)
 #else
       RETURN_NEG_1;
 #endif
+    case _SC_V7_ILP32_OFF32:
+#ifdef _POSIX_V7_ILP32_OFF32
+      return _POSIX_V7_ILP32_OFF32;
+#else
+      RETURN_NEG_1;
+#endif
+    case _SC_V7_ILP32_OFFBIG:
+#ifdef _POSIX_V7_ILP32_OFFBIG
+      return _POSIX_V7_ILP32_OFFBIG;
+#else
+      RETURN_NEG_1;
+#endif
+    case _SC_V7_LP64_OFF64:
+#ifdef _POSIX_V7_LP64_OFF64
+      return _POSIX_V7_LP64_OFF64;
+#else
+      RETURN_NEG_1;
+#endif
+    case _SC_V7_LPBIG_OFFBIG:
+#ifdef _POSIX_V7_LPBIG_OFFBIG
+      return _POSIX_V7_LPBIG_OFFBIG;
+#else
+      RETURN_NEG_1;
+#endif
 
     case _SC_XOPEN_LEGACY:
       return _XOPEN_LEGACY;