Rev all the header files to sync things with glibc 2.2.4

1 files changed, 60 insertions, 10 deletions

diff --git a/include/errno.h b/include/errno.h
index aa7e6bcae..645a439db 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -1,23 +1,73 @@
-#ifndef _ERRNO_H
-#define _ERRNO_H
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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.  */
+
+/*
+ *	ISO C99 Standard: 7.5 Errors	<errno.h>
+ */
+
+#ifndef	_ERRNO_H
+
+/* The includer defined __need_Emath if he wants only the definitions
+   of EDOM and ERANGE, and not everything else.  */
+#ifndef	__need_Emath
+#define	_ERRNO_H	1
 #include <features.h>
-#include <bits/errno.h>
+#endif
 
 __BEGIN_DECLS
 
-extern int sys_nerr;
-extern const char *const sys_errlist[];
+/* Get the error number constants from the system-specific file.
+   This file will test __need_Emath and _ERRNO_H.  */
+#include <bits/errno.h>
+#undef	__need_Emath
 
-#define _sys_nerr sys_nerr
-#define _sys_errlist sys_errlist
+#ifdef	_ERRNO_H
 
+/* Declare the `errno' variable, unless it's defined as a macro by
+   bits/errno.h.  This is the case in GNU, where it is a per-thread
+   variable.  This redeclaration using the macro still works, but it
+   will be a function declaration without a prototype and may trigger
+   a -Wstrict-prototypes warning.  */
 #ifndef	errno
-extern int	errno;
+extern int errno;
 #endif
-extern void	perror __P ((__const char* __s));
-extern char*	strerror __P ((int __errno));
+
+#ifdef __USE_GNU
+
+/* The full and simple forms of the name with which the program was
+   invoked.  These variables are set up automatically at startup based on
+   the value of ARGV[0] (this works only if you use GNU ld).  */
+extern char *program_invocation_name, *program_invocation_short_name;
+#endif /* __USE_GNU */
+#endif /* _ERRNO_H */
 
 __END_DECLS
 
+#endif /* _ERRNO_H */
+
+/* The Hurd <bits/errno.h> defines `error_t' as an enumerated type so
+   that printing `error_t' values in the debugger shows the names.  We
+   might need this definition sometimes even if this file was included
+   before.  */
+#if defined __USE_GNU || defined __need_error_t
+# ifndef __error_t_defined
+typedef int error_t;
+#  define __error_t_defined	1
+# endif
+# undef __need_error_t
 #endif