X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetopt.in.h;h=d9c7d8144aea2af4580a6f0b6f9ce283176578bb;hb=fa1db0dd22768f09a507674a30beb5b8a87bb35f;hp=9de467ae98cbc76fb3c6449e4a5669ae303c721b;hpb=40c7699e05fa420358703794383caf38de1713fc;p=gnulib.git

diff --git a/lib/getopt.in.h b/lib/getopt.in.h
index 9de467ae9..d9c7d8144 100644
--- a/lib/getopt.in.h
+++ b/lib/getopt.in.h
@@ -1,6 +1,6 @@
 /* Declarations for getopt.
-   Copyright (C) 1989-1994,1996-1999,2001,2003,2004,2005,2006,2007,2009
-   Free Software Foundation, Inc.
+   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
@@ -16,21 +16,26 @@
    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
+#ifndef _@GUARD_PREFIX@_GETOPT_H
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
 #endif
+@PRAGMA_COLUMNS@
 
-/* The include_next requires a split double-inclusion guard.  */
+/* 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
 # @INCLUDE_NEXT@ @NEXT_GETOPT_H@
+# undef _GL_SYSTEM_GETOPT
 #endif
 
-#ifndef _GL_GETOPT_H
+#ifndef _@GUARD_PREFIX@_GETOPT_H
 
 #ifndef __need_getopt
-# define _GL_GETOPT_H 1
+# define _@GUARD_PREFIX@_GETOPT_H 1
 #endif
 
 /* Standalone applications should #define __GETOPT_PREFIX to an
@@ -44,7 +49,9 @@
    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
@@ -77,7 +84,7 @@
    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',
+   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.
@@ -111,39 +118,41 @@
 #  define __GNUC_PREREQ(maj, min) (0)
 # endif
 # if defined __cplusplus && __GNUC_PREREQ (2,8)
-#  define __THROW	throw ()
+#  define __THROW       throw ()
 # else
 #  define __THROW
 # endif
 #endif
 
+/* The definition of _GL_ARG_NONNULL is copied here.  */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-/* For communication from `getopt' to the caller.
-   When `getopt' finds an option that takes an argument,
+/* 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,
+   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'.
+   and for communication between successive calls to 'getopt'.
 
-   On entry to `getopt', zero means this is the first call; initialize.
+   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
+   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
+   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
+/* Callers store zero here to inhibit the error message 'getopt' prints
    for unrecognized options.  */
 
 extern int opterr;
@@ -155,25 +164,26 @@ 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
+   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.
+   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
+   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
+   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.  */
+   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;
@@ -183,13 +193,15 @@ struct option
   int *flag;
   int val;
 };
+#  define GNULIB_defined_struct_option 1
+# endif
 
-/* Names for the values of the `has_arg' field of `struct option'.  */
+/* 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 */
+# define no_argument            0
+# define required_argument      1
+# define optional_argument      2
+#endif  /* need getopt */
 
 
 /* Get definitions and prototypes for functions to process the
@@ -198,37 +210,37 @@ struct option
 
    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
+   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'.
+   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'.
+   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
+   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
+   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
+   '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;
+       __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;
+                        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;
+                             const char *__shortopts,
+                             const struct option *__longopts, int *__longind)
+       __THROW _GL_ARG_NONNULL ((2, 3));
 
 #endif
 
@@ -239,5 +251,5 @@ extern int getopt_long_only (int ___argc, char *__getopt_argv_const *___argv,
 /* Make sure we later can get all the definitions and declarations.  */
 #undef __need_getopt
 
-#endif /* getopt.h */
-#endif /* getopt.h */
+#endif /* _@GUARD_PREFIX@_GETOPT_H */
+#endif /* _@GUARD_PREFIX@_GETOPT_H */