* lib/getopt_.h: Remove trailing CRs that crept in.

2 files changed, 289 insertions, 285 deletions

diff --git a/ChangeLog b/ChangeLog
index 2298c21a7fa..59df34b2b8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-01-11  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* lib/getopt_.h: Remove trailing CRs that crept in.
+
 2013-01-11  Eli Zaretskii  <eliz@gnu.org>
 
 	* lib/getopt_.h: Regenerate.
diff --git a/lib/getopt_.h b/lib/getopt_.h
index 10edb73f417..dd958138b22 100644
--- a/lib/getopt_.h
+++ b/lib/getopt_.h
@@ -1,285 +1,285 @@
-/* Declarations for getopt.

-   Copyright (C) 1989-1994, 1996-1999, 2001, 2003-2007, 2009-2013 Free Software

-   Foundation, Inc.

-   This file is part of the GNU C Library.

-

-   This program is free software: you can redistribute it and/or modify

-   it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 3 of the License, or

-   (at your option) any later version.

-

-   This program 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 General Public License for more details.

-

-   You should have received a copy of the GNU General Public License

-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

-

-#ifndef _GL_GETOPT_H

-

-#if __GNUC__ >= 3

-#pragma GCC system_header

-#endif

-

-

-/* The include_next requires a split double-inclusion guard.  We must

-   also inform the replacement unistd.h to not recursively use

-   <getopt.h>; our definitions will be present soon enough.  */

-#if HAVE_GETOPT_H

-# define _GL_SYSTEM_GETOPT

-# ifndef __GNUC__

-# include <next_getopt.h>

-# else

-# include_next <getopt.h>

-# endif

-# undef _GL_SYSTEM_GETOPT

-#endif

-

-#ifndef _GL_GETOPT_H

-

-#ifndef __need_getopt

-# define _GL_GETOPT_H 1

-#endif

-

-/* Standalone applications should #define __GETOPT_PREFIX to an

-   identifier that prefixes the external functions and variables

-   defined in this header.  When this happens, include the

-   headers that might declare getopt so that they will not cause

-   confusion if included after this file (if the system had <getopt.h>,

-   we have already included it).  Then systematically rename

-   identifiers so that they do not collide with the system functions

-   and variables.  Renaming avoids problems with some compilers and

-   linkers.  */

-#if defined __GETOPT_PREFIX && !defined __need_getopt

-# if !HAVE_GETOPT_H

-#  define __need_system_stdlib_h

-#  include <stdlib.h>

-#  undef __need_system_stdlib_h

-#  include <stdio.h>

-#  include <unistd.h>

-# endif

-# undef __need_getopt

-# undef getopt

-# undef getopt_long

-# undef getopt_long_only

-# undef optarg

-# undef opterr

-# undef optind

-# undef optopt

-# undef option

-# define __GETOPT_CONCAT(x, y) x ## y

-# define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)

-# define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)

-# define getopt __GETOPT_ID (getopt)

-# define getopt_long __GETOPT_ID (getopt_long)

-# define getopt_long_only __GETOPT_ID (getopt_long_only)

-# define optarg __GETOPT_ID (optarg)

-# define opterr __GETOPT_ID (opterr)

-# define optind __GETOPT_ID (optind)

-# define optopt __GETOPT_ID (optopt)

-# define option __GETOPT_ID (option)

-# define _getopt_internal __GETOPT_ID (getopt_internal)

-#endif

-

-/* Standalone applications get correct prototypes for getopt_long and

-   getopt_long_only; they declare "char **argv".  libc uses prototypes

-   with "char *const *argv" that are incorrect because getopt_long and

-   getopt_long_only can permute argv; this is required for backward

-   compatibility (e.g., for LSB 2.0.1).

-

-   This used to be '#if defined __GETOPT_PREFIX && !defined __need_getopt',

-   but it caused redefinition warnings if both unistd.h and getopt.h were

-   included, since unistd.h includes getopt.h having previously defined

-   __need_getopt.

-

-   The only place where __getopt_argv_const is used is in definitions

-   of getopt_long and getopt_long_only below, but these are visible

-   only if __need_getopt is not defined, so it is quite safe to rewrite

-   the conditional as follows:

-*/

-#if !defined __need_getopt

-# if defined __GETOPT_PREFIX

-#  define __getopt_argv_const /* empty */

-# else

-#  define __getopt_argv_const const

-# endif

-#endif

-

-/* If __GNU_LIBRARY__ is not already defined, either we are being used

-   standalone, or this is the first header included in the source file.

-   If we are being used with glibc, we need to include <features.h>, but

-   that does not exist if we are standalone.  So: if __GNU_LIBRARY__ is

-   not defined, include <ctype.h>, which will pull in <features.h> for us

-   if it's from glibc.  (Why ctype.h?  It's guaranteed to exist and it

-   doesn't flood the namespace with stuff the way some other headers do.)  */

-#if !defined __GNU_LIBRARY__

-# include <ctype.h>

-#endif

-

-#ifndef __THROW

-# ifndef __GNUC_PREREQ

-#  define __GNUC_PREREQ(maj, min) (0)

-# endif

-# if defined __cplusplus && __GNUC_PREREQ (2,8)

-#  define __THROW       throw ()

-# else

-#  define __THROW

-# endif

-#endif

-

-/* The definition of _GL_ARG_NONNULL is copied here.  */

-/* A C macro for declaring that specific arguments must not be NULL.

-   Copyright (C) 2009-2013 Free Software Foundation, Inc.

-

-   This program is free software: you can redistribute it and/or modify it

-   under the terms of the GNU General Public License as published

-   by the Free Software Foundation; either version 3 of the License, or

-   (at your option) any later version.

-

-   This program 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

-   General Public License for more details.

-

-   You should have received a copy of the GNU General Public License

-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

-

-/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools

-   that the values passed as arguments n, ..., m must be non-NULL pointers.

-   n = 1 stands for the first argument, n = 2 for the second argument etc.  */

-#ifndef _GL_ARG_NONNULL

-# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3

-#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))

-# else

-#  define _GL_ARG_NONNULL(params)

-# endif

-#endif

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* For communication from 'getopt' to the caller.

-   When 'getopt' finds an option that takes an argument,

-   the argument value is returned here.

-   Also, when 'ordering' is RETURN_IN_ORDER,

-   each non-option ARGV-element is returned here.  */

-

-extern char *optarg;

-

-/* Index in ARGV of the next element to be scanned.

-   This is used for communication to and from the caller

-   and for communication between successive calls to 'getopt'.

-

-   On entry to 'getopt', zero means this is the first call; initialize.

-

-   When 'getopt' returns -1, this is the index of the first of the

-   non-option elements that the caller should itself scan.

-

-   Otherwise, 'optind' communicates from one call to the next

-   how much of ARGV has been scanned so far.  */

-

-extern int optind;

-

-/* Callers store zero here to inhibit the error message 'getopt' prints

-   for unrecognized options.  */

-

-extern int opterr;

-

-/* Set to an option character which was unrecognized.  */

-

-extern int optopt;

-

-#ifndef __need_getopt

-/* Describe the long-named options requested by the application.

-   The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector

-   of 'struct option' terminated by an element containing a name which is

-   zero.

-

-   The field 'has_arg' is:

-   no_argument          (or 0) if the option does not take an argument,

-   required_argument    (or 1) if the option requires an argument,

-   optional_argument    (or 2) if the option takes an optional argument.

-

-   If the field 'flag' is not NULL, it points to a variable that is set

-   to the value given in the field 'val' when the option is found, but

-   left unchanged if the option is not found.

-

-   To have a long-named option do something other than set an 'int' to

-   a compiled-in constant, such as set a value from 'optarg', set the

-   option's 'flag' field to zero and its 'val' field to a nonzero

-   value (the equivalent single-letter option character, if there is

-   one).  For long options that have a zero 'flag' field, 'getopt'

-   returns the contents of the 'val' field.  */

-

-# if !GNULIB_defined_struct_option

-struct option

-{

-  const char *name;

-  /* has_arg can't be an enum because some compilers complain about

-     type mismatches in all the code that assumes it is an int.  */

-  int has_arg;

-  int *flag;

-  int val;

-};

-#  define GNULIB_defined_struct_option 1

-# endif

-

-/* Names for the values of the 'has_arg' field of 'struct option'.  */

-

-# define no_argument            0

-# define required_argument      1

-# define optional_argument      2

-#endif  /* need getopt */

-

-

-/* Get definitions and prototypes for functions to process the

-   arguments in ARGV (ARGC of them, minus the program name) for

-   options given in OPTS.

-

-   Return the option character from OPTS just read.  Return -1 when

-   there are no more options.  For unrecognized options, or options

-   missing arguments, 'optopt' is set to the option letter, and '?' is

-   returned.

-

-   The OPTS string is a list of characters which are recognized option

-   letters, optionally followed by colons, specifying that that letter

-   takes an argument, to be placed in 'optarg'.

-

-   If a letter in OPTS is followed by two colons, its argument is

-   optional.  This behavior is specific to the GNU 'getopt'.

-

-   The argument '--' causes premature termination of argument

-   scanning, explicitly telling 'getopt' that there are no more

-   options.

-

-   If OPTS begins with '-', then non-option arguments are treated as

-   arguments to the option '\1'.  This behavior is specific to the GNU

-   'getopt'.  If OPTS begins with '+', or POSIXLY_CORRECT is set in

-   the environment, then do not permute arguments.  */

-

-extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)

-       __THROW _GL_ARG_NONNULL ((2, 3));

-

-#ifndef __need_getopt

-extern int getopt_long (int ___argc, char *__getopt_argv_const *___argv,

-                        const char *__shortopts,

-                        const struct option *__longopts, int *__longind)

-       __THROW _GL_ARG_NONNULL ((2, 3));

-extern int getopt_long_only (int ___argc, char *__getopt_argv_const *___argv,

-                             const char *__shortopts,

-                             const struct option *__longopts, int *__longind)

-       __THROW _GL_ARG_NONNULL ((2, 3));

-

-#endif

-

-#ifdef __cplusplus

-}

-#endif

-

-/* Make sure we later can get all the definitions and declarations.  */

-#undef __need_getopt

-

-#endif /* _GL_GETOPT_H */

-#endif /* _GL_GETOPT_H */

+/* Declarations for getopt.
+   Copyright (C) 1989-1994, 1996-1999, 2001, 2003-2007, 2009-2013 Free Software
+   Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _GL_GETOPT_H
+
+#if __GNUC__ >= 3
+#pragma GCC system_header
+#endif
+
+
+/* The include_next requires a split double-inclusion guard.  We must
+   also inform the replacement unistd.h to not recursively use
+   <getopt.h>; our definitions will be present soon enough.  */
+#if HAVE_GETOPT_H
+# define _GL_SYSTEM_GETOPT
+# ifndef __GNUC__
+# include <next_getopt.h>
+# else
+# include_next <getopt.h>
+# endif
+# undef _GL_SYSTEM_GETOPT
+#endif
+
+#ifndef _GL_GETOPT_H
+
+#ifndef __need_getopt
+# define _GL_GETOPT_H 1
+#endif
+
+/* Standalone applications should #define __GETOPT_PREFIX to an
+   identifier that prefixes the external functions and variables
+   defined in this header.  When this happens, include the
+   headers that might declare getopt so that they will not cause
+   confusion if included after this file (if the system had <getopt.h>,
+   we have already included it).  Then systematically rename
+   identifiers so that they do not collide with the system functions
+   and variables.  Renaming avoids problems with some compilers and
+   linkers.  */
+#if defined __GETOPT_PREFIX && !defined __need_getopt
+# if !HAVE_GETOPT_H
+#  define __need_system_stdlib_h
+#  include <stdlib.h>
+#  undef __need_system_stdlib_h
+#  include <stdio.h>
+#  include <unistd.h>
+# endif
+# undef __need_getopt
+# undef getopt
+# undef getopt_long
+# undef getopt_long_only
+# undef optarg
+# undef opterr
+# undef optind
+# undef optopt
+# undef option
+# define __GETOPT_CONCAT(x, y) x ## y
+# define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
+# define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
+# define getopt __GETOPT_ID (getopt)
+# define getopt_long __GETOPT_ID (getopt_long)
+# define getopt_long_only __GETOPT_ID (getopt_long_only)
+# define optarg __GETOPT_ID (optarg)
+# define opterr __GETOPT_ID (opterr)
+# define optind __GETOPT_ID (optind)
+# define optopt __GETOPT_ID (optopt)
+# define option __GETOPT_ID (option)
+# define _getopt_internal __GETOPT_ID (getopt_internal)
+#endif
+
+/* Standalone applications get correct prototypes for getopt_long and
+   getopt_long_only; they declare "char **argv".  libc uses prototypes
+   with "char *const *argv" that are incorrect because getopt_long and
+   getopt_long_only can permute argv; this is required for backward
+   compatibility (e.g., for LSB 2.0.1).
+
+   This used to be '#if defined __GETOPT_PREFIX && !defined __need_getopt',
+   but it caused redefinition warnings if both unistd.h and getopt.h were
+   included, since unistd.h includes getopt.h having previously defined
+   __need_getopt.
+
+   The only place where __getopt_argv_const is used is in definitions
+   of getopt_long and getopt_long_only below, but these are visible
+   only if __need_getopt is not defined, so it is quite safe to rewrite
+   the conditional as follows:
+*/
+#if !defined __need_getopt
+# if defined __GETOPT_PREFIX
+#  define __getopt_argv_const /* empty */
+# else
+#  define __getopt_argv_const const
+# endif
+#endif
+
+/* If __GNU_LIBRARY__ is not already defined, either we are being used
+   standalone, or this is the first header included in the source file.
+   If we are being used with glibc, we need to include <features.h>, but
+   that does not exist if we are standalone.  So: if __GNU_LIBRARY__ is
+   not defined, include <ctype.h>, which will pull in <features.h> for us
+   if it's from glibc.  (Why ctype.h?  It's guaranteed to exist and it
+   doesn't flood the namespace with stuff the way some other headers do.)  */
+#if !defined __GNU_LIBRARY__
+# include <ctype.h>
+#endif
+
+#ifndef __THROW
+# ifndef __GNUC_PREREQ
+#  define __GNUC_PREREQ(maj, min) (0)
+# endif
+# if defined __cplusplus && __GNUC_PREREQ (2,8)
+#  define __THROW       throw ()
+# else
+#  define __THROW
+# endif
+#endif
+
+/* The definition of _GL_ARG_NONNULL is copied here.  */
+/* A C macro for declaring that specific arguments must not be NULL.
+   Copyright (C) 2009-2013 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
+   that the values passed as arguments n, ..., m must be non-NULL pointers.
+   n = 1 stands for the first argument, n = 2 for the second argument etc.  */
+#ifndef _GL_ARG_NONNULL
+# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
+#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
+# else
+#  define _GL_ARG_NONNULL(params)
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* For communication from 'getopt' to the caller.
+   When 'getopt' finds an option that takes an argument,
+   the argument value is returned here.
+   Also, when 'ordering' is RETURN_IN_ORDER,
+   each non-option ARGV-element is returned here.  */
+
+extern char *optarg;
+
+/* Index in ARGV of the next element to be scanned.
+   This is used for communication to and from the caller
+   and for communication between successive calls to 'getopt'.
+
+   On entry to 'getopt', zero means this is the first call; initialize.
+
+   When 'getopt' returns -1, this is the index of the first of the
+   non-option elements that the caller should itself scan.
+
+   Otherwise, 'optind' communicates from one call to the next
+   how much of ARGV has been scanned so far.  */
+
+extern int optind;
+
+/* Callers store zero here to inhibit the error message 'getopt' prints
+   for unrecognized options.  */
+
+extern int opterr;
+
+/* Set to an option character which was unrecognized.  */
+
+extern int optopt;
+
+#ifndef __need_getopt
+/* Describe the long-named options requested by the application.
+   The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
+   of 'struct option' terminated by an element containing a name which is
+   zero.
+
+   The field 'has_arg' is:
+   no_argument          (or 0) if the option does not take an argument,
+   required_argument    (or 1) if the option requires an argument,
+   optional_argument    (or 2) if the option takes an optional argument.
+
+   If the field 'flag' is not NULL, it points to a variable that is set
+   to the value given in the field 'val' when the option is found, but
+   left unchanged if the option is not found.
+
+   To have a long-named option do something other than set an 'int' to
+   a compiled-in constant, such as set a value from 'optarg', set the
+   option's 'flag' field to zero and its 'val' field to a nonzero
+   value (the equivalent single-letter option character, if there is
+   one).  For long options that have a zero 'flag' field, 'getopt'
+   returns the contents of the 'val' field.  */
+
+# if !GNULIB_defined_struct_option
+struct option
+{
+  const char *name;
+  /* has_arg can't be an enum because some compilers complain about
+     type mismatches in all the code that assumes it is an int.  */
+  int has_arg;
+  int *flag;
+  int val;
+};
+#  define GNULIB_defined_struct_option 1
+# endif
+
+/* Names for the values of the 'has_arg' field of 'struct option'.  */
+
+# define no_argument            0
+# define required_argument      1
+# define optional_argument      2
+#endif  /* need getopt */
+
+
+/* Get definitions and prototypes for functions to process the
+   arguments in ARGV (ARGC of them, minus the program name) for
+   options given in OPTS.
+
+   Return the option character from OPTS just read.  Return -1 when
+   there are no more options.  For unrecognized options, or options
+   missing arguments, 'optopt' is set to the option letter, and '?' is
+   returned.
+
+   The OPTS string is a list of characters which are recognized option
+   letters, optionally followed by colons, specifying that that letter
+   takes an argument, to be placed in 'optarg'.
+
+   If a letter in OPTS is followed by two colons, its argument is
+   optional.  This behavior is specific to the GNU 'getopt'.
+
+   The argument '--' causes premature termination of argument
+   scanning, explicitly telling 'getopt' that there are no more
+   options.
+
+   If OPTS begins with '-', then non-option arguments are treated as
+   arguments to the option '\1'.  This behavior is specific to the GNU
+   'getopt'.  If OPTS begins with '+', or POSIXLY_CORRECT is set in
+   the environment, then do not permute arguments.  */
+
+extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
+       __THROW _GL_ARG_NONNULL ((2, 3));
+
+#ifndef __need_getopt
+extern int getopt_long (int ___argc, char *__getopt_argv_const *___argv,
+                        const char *__shortopts,
+                        const struct option *__longopts, int *__longind)
+       __THROW _GL_ARG_NONNULL ((2, 3));
+extern int getopt_long_only (int ___argc, char *__getopt_argv_const *___argv,
+                             const char *__shortopts,
+                             const struct option *__longopts, int *__longind)
+       __THROW _GL_ARG_NONNULL ((2, 3));
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+/* Make sure we later can get all the definitions and declarations.  */
+#undef __need_getopt
+
+#endif /* _GL_GETOPT_H */
+#endif /* _GL_GETOPT_H */