cannam@86: /*
cannam@86: 	NOTE:
cannam@86: 	I cannot get the vanilla getopt code to work (i.e. compile only what
cannam@86: 	is needed and not duplicate symbols found in the standard library)
cannam@86: 	on all the platforms that FLAC supports.  In particular the gating
cannam@86: 	of code with the ELIDE_CODE #define is not accurate enough on systems
cannam@86: 	that are POSIX but not glibc.  If someone has a patch that works on
cannam@86: 	GNU/Linux, Darwin, AND Solaris please submit it on the project page:
cannam@86: 		http://sourceforge.net/projects/flac
cannam@86: 
cannam@86: 	In the meantime I have munged the global symbols and removed gates
cannam@86: 	around code, while at the same time trying to touch the original as
cannam@86: 	little as possible.
cannam@86: */
cannam@86: /* Declarations for getopt.
cannam@86:    Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc.
cannam@86:    This file is part of the GNU C Library.
cannam@86: 
cannam@86:    The GNU C Library is free software; you can redistribute it and/or
cannam@86:    modify it under the terms of the GNU Library General Public License as
cannam@86:    published by the Free Software Foundation; either version 2 of the
cannam@86:    License, or (at your option) any later version.
cannam@86: 
cannam@86:    The GNU C Library is distributed in the hope that it will be useful,
cannam@86:    but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@86:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
cannam@86:    Library General Public License for more details.
cannam@86: 
cannam@86:    You should have received a copy of the GNU Library General Public
cannam@86:    License along with the GNU C Library; see the file COPYING.LIB.  If not,
cannam@86:    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
cannam@86:    Boston, MA 02111-1307, USA.  */
cannam@86: 
cannam@86: #ifndef SHARE__GETOPT_H
cannam@86: #define SHARE__GETOPT_H
cannam@86: 
cannam@86: /*[JEC] was:#ifndef __need_getopt*/
cannam@86: /*[JEC] was:# define _GETOPT_H 1*/
cannam@86: /*[JEC] was:#endif*/
cannam@86: 
cannam@86: #ifdef	__cplusplus
cannam@86: extern "C" {
cannam@86: #endif
cannam@86: 
cannam@86: /* For communication from `share__getopt' to the caller.
cannam@86:    When `share__getopt' finds an option that takes an argument,
cannam@86:    the argument value is returned here.
cannam@86:    Also, when `ordering' is RETURN_IN_ORDER,
cannam@86:    each non-option ARGV-element is returned here.  */
cannam@86: 
cannam@86: extern char *share__optarg;
cannam@86: 
cannam@86: /* Index in ARGV of the next element to be scanned.
cannam@86:    This is used for communication to and from the caller
cannam@86:    and for communication between successive calls to `share__getopt'.
cannam@86: 
cannam@86:    On entry to `share__getopt', zero means this is the first call; initialize.
cannam@86: 
cannam@86:    When `share__getopt' returns -1, this is the index of the first of the
cannam@86:    non-option elements that the caller should itself scan.
cannam@86: 
cannam@86:    Otherwise, `share__optind' communicates from one call to the next
cannam@86:    how much of ARGV has been scanned so far.  */
cannam@86: 
cannam@86: extern int share__optind;
cannam@86: 
cannam@86: /* Callers store zero here to inhibit the error message `share__getopt' prints
cannam@86:    for unrecognized options.  */
cannam@86: 
cannam@86: extern int share__opterr;
cannam@86: 
cannam@86: /* Set to an option character which was unrecognized.  */
cannam@86: 
cannam@86: extern int share__optopt;
cannam@86: 
cannam@86: /*[JEC] was:#ifndef __need_getopt */
cannam@86: /* Describe the long-named options requested by the application.
cannam@86:    The LONG_OPTIONS argument to share__getopt_long or share__getopt_long_only is a vector
cannam@86:    of `struct share__option' terminated by an element containing a name which is
cannam@86:    zero.
cannam@86: 
cannam@86:    The field `has_arg' is:
cannam@86:    share__no_argument		(or 0) if the option does not take an argument,
cannam@86:    share__required_argument	(or 1) if the option requires an argument,
cannam@86:    share__optional_argument 	(or 2) if the option takes an optional argument.
cannam@86: 
cannam@86:    If the field `flag' is not NULL, it points to a variable that is set
cannam@86:    to the value given in the field `val' when the option is found, but
cannam@86:    left unchanged if the option is not found.
cannam@86: 
cannam@86:    To have a long-named option do something other than set an `int' to
cannam@86:    a compiled-in constant, such as set a value from `share__optarg', set the
cannam@86:    option's `flag' field to zero and its `val' field to a nonzero
cannam@86:    value (the equivalent single-letter option character, if there is
cannam@86:    one).  For long options that have a zero `flag' field, `share__getopt'
cannam@86:    returns the contents of the `val' field.  */
cannam@86: 
cannam@86: struct share__option
cannam@86: {
cannam@86: # if defined __STDC__ && __STDC__
cannam@86:   const char *name;
cannam@86: # else
cannam@86:   char *name;
cannam@86: # endif
cannam@86:   /* has_arg can't be an enum because some compilers complain about
cannam@86:      type mismatches in all the code that assumes it is an int.  */
cannam@86:   int has_arg;
cannam@86:   int *flag;
cannam@86:   int val;
cannam@86: };
cannam@86: 
cannam@86: /* Names for the values of the `has_arg' field of `struct share__option'.  */
cannam@86: 
cannam@86: # define share__no_argument		0
cannam@86: # define share__required_argument	1
cannam@86: # define share__optional_argument	2
cannam@86: /*[JEC] was:#endif*/	/* need getopt */
cannam@86: 
cannam@86: 
cannam@86: /* Get definitions and prototypes for functions to process the
cannam@86:    arguments in ARGV (ARGC of them, minus the program name) for
cannam@86:    options given in OPTS.
cannam@86: 
cannam@86:    Return the option character from OPTS just read.  Return -1 when
cannam@86:    there are no more options.  For unrecognized options, or options
cannam@86:    missing arguments, `share__optopt' is set to the option letter, and '?' is
cannam@86:    returned.
cannam@86: 
cannam@86:    The OPTS string is a list of characters which are recognized option
cannam@86:    letters, optionally followed by colons, specifying that that letter
cannam@86:    takes an argument, to be placed in `share__optarg'.
cannam@86: 
cannam@86:    If a letter in OPTS is followed by two colons, its argument is
cannam@86:    optional.  This behavior is specific to the GNU `share__getopt'.
cannam@86: 
cannam@86:    The argument `--' causes premature termination of argument
cannam@86:    scanning, explicitly telling `share__getopt' that there are no more
cannam@86:    options.
cannam@86: 
cannam@86:    If OPTS begins with `--', then non-option arguments are treated as
cannam@86:    arguments to the option '\0'.  This behavior is specific to the GNU
cannam@86:    `share__getopt'.  */
cannam@86: 
cannam@86: /*[JEC] was:#if defined __STDC__ && __STDC__*/
cannam@86: /*[JEC] was:# ifdef __GNU_LIBRARY__*/
cannam@86: /* Many other libraries have conflicting prototypes for getopt, with
cannam@86:    differences in the consts, in stdlib.h.  To avoid compilation
cannam@86:    errors, only prototype getopt for the GNU C library.  */
cannam@86: extern int share__getopt (int argc, char *const *argv, const char *shortopts);
cannam@86: /*[JEC] was:# else*/ /* not __GNU_LIBRARY__ */
cannam@86: /*[JEC] was:extern int getopt ();*/
cannam@86: /*[JEC] was:# endif*/ /* __GNU_LIBRARY__ */
cannam@86: 
cannam@86: /*[JEC] was:# ifndef __need_getopt*/
cannam@86: extern int share__getopt_long (int argc, char *const *argv, const char *shortopts,
cannam@86: 		        const struct share__option *longopts, int *longind);
cannam@86: extern int share__getopt_long_only (int argc, char *const *argv,
cannam@86: 			     const char *shortopts,
cannam@86: 		             const struct share__option *longopts, int *longind);
cannam@86: 
cannam@86: /* Internal only.  Users should not call this directly.  */
cannam@86: extern int share___getopt_internal (int argc, char *const *argv,
cannam@86: 			     const char *shortopts,
cannam@86: 		             const struct share__option *longopts, int *longind,
cannam@86: 			     int long_only);
cannam@86: /*[JEC] was:# endif*/
cannam@86: /*[JEC] was:#else*/ /* not __STDC__ */
cannam@86: /*[JEC] was:extern int getopt ();*/
cannam@86: /*[JEC] was:# ifndef __need_getopt*/
cannam@86: /*[JEC] was:extern int getopt_long ();*/
cannam@86: /*[JEC] was:extern int getopt_long_only ();*/
cannam@86: 
cannam@86: /*[JEC] was:extern int _getopt_internal ();*/
cannam@86: /*[JEC] was:# endif*/
cannam@86: /*[JEC] was:#endif*/ /* __STDC__ */
cannam@86: 
cannam@86: #ifdef	__cplusplus
cannam@86: }
cannam@86: #endif
cannam@86: 
cannam@86: /* Make sure we later can get all the definitions and declarations.  */
cannam@86: /*[JEC] was:#undef __need_getopt*/
cannam@86: 
cannam@86: #endif /* getopt.h */