mirror of git://vps1.g8bpq.net/linbpq
g8bpq
2 years ago
parent
27fd28f2e4
commit
318dbc55bf
Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -0,0 +1,715 @@
|
||||
/*
|
||||
* getopt.c
|
||||
*
|
||||
* $Id: getopt.c,v 1.9 2009/02/08 18:02:17 keithmarshall Exp $
|
||||
*
|
||||
* Implementation of the `getopt', `getopt_long' and `getopt_long_only'
|
||||
* APIs, for inclusion in the MinGW runtime library.
|
||||
*
|
||||
* This file is part of the MinGW32 package set.
|
||||
*
|
||||
* Contributed by Keith Marshall <keithmarshall@users.sourceforge.net>
|
||||
*
|
||||
*
|
||||
* THIS SOFTWARE IS NOT COPYRIGHTED
|
||||
*
|
||||
* This source code is offered for use in the public domain. You may
|
||||
* use, modify or distribute it freely.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful but
|
||||
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
|
||||
* DISCLAIMED. This includes but is not limited to warranties of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Revision: 1.9 $
|
||||
* $Author: keithmarshall $
|
||||
* $Date: 2009/02/08 18:02:17 $
|
||||
*
|
||||
*/
|
||||
|
||||
// Modified a little to compile as C code, John Wiseman 2018
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include "getopt.h"
|
||||
|
||||
/* Identify how to get the calling program name, for use in messages...
|
||||
*/
|
||||
#ifdef __CYGWIN__
|
||||
/*
|
||||
* CYGWIN uses this DLL reference...
|
||||
*/
|
||||
# define PROGNAME __progname
|
||||
extern char __declspec(dllimport) *__progname;
|
||||
#else
|
||||
/*
|
||||
* ...while elsewhere, we simply use the first argument passed.
|
||||
*/
|
||||
# define PROGNAME *argv
|
||||
#endif
|
||||
|
||||
/* Initialise the public variables. */
|
||||
|
||||
int optind = 1; /* index for first non-option arg */
|
||||
int opterr = 1; /* enable built-in error messages */
|
||||
|
||||
char *optarg = NULL; /* pointer to current option argument */
|
||||
|
||||
#define CHAR char /* argument type selector */
|
||||
|
||||
#define getopt_switchar '-' /* option prefix character in argv */
|
||||
#define getopt_pluschar '+' /* prefix for POSIX mode in optstring */
|
||||
#define getopt_takes_argument ':' /* marker for optarg in optstring */
|
||||
#define getopt_arg_assign '=' /* longopt argument field separator */
|
||||
#define getopt_unknown '?' /* return code for unmatched option */
|
||||
#define getopt_ordered 1 /* return code for ordered non-option */
|
||||
|
||||
#define getopt_all_done -1 /* return code to indicate completion */
|
||||
|
||||
enum
|
||||
{ /* All `getopt' API functions are implemented via calls to the
|
||||
* common static function `getopt_parse()'; these `mode' selectors
|
||||
* determine the behaviour of `getopt_parse()', to deliver the
|
||||
* appropriate result in each case.
|
||||
*/
|
||||
getopt_mode_standard = 0, /* getopt() */
|
||||
getopt_mode_long, /* getopt_long() */
|
||||
getopt_mode_long_only /* getopt_long_only() */
|
||||
};
|
||||
|
||||
enum
|
||||
{ /* When attempting to match a command line argument to a long form option,
|
||||
* these indicate the status of the match.
|
||||
*/
|
||||
getopt_no_match = 0, /* no successful match */
|
||||
getopt_abbreviated_match, /* argument is an abbreviation for an option */
|
||||
getopt_exact_match /* argument matches the full option name */
|
||||
};
|
||||
|
||||
int optopt = getopt_unknown; /* return value for option being evaluated */
|
||||
|
||||
/* Some BSD applications expect to be able to reinitialise `getopt' parsing
|
||||
* by setting a global variable called `optreset'. We provide an obfuscated
|
||||
* API, which allows applications to emulate this brain damage; however, any
|
||||
* use of this is non-portable, and is strongly discouraged.
|
||||
*/
|
||||
#define optreset __mingw_optreset
|
||||
int optreset = 0;
|
||||
|
||||
int getopt_missing_arg( const CHAR *optstring )
|
||||
{
|
||||
/* Helper function to determine the appropriate return value,
|
||||
* for the case where a required option argument is missing.
|
||||
*/
|
||||
if( (*optstring == getopt_pluschar) || (*optstring == getopt_switchar) )
|
||||
++optstring;
|
||||
return (*optstring == getopt_takes_argument)
|
||||
? getopt_takes_argument
|
||||
: getopt_unknown;
|
||||
}
|
||||
|
||||
/* `complain' macro facilitates the generation of simple built-in
|
||||
* error messages, displayed on various fault conditions, provided
|
||||
* `opterr' is non-zero.
|
||||
*/
|
||||
#define complain( MSG, ARG ) if( opterr ) \
|
||||
fprintf( stderr, "%s: "MSG"\n", PROGNAME, ARG )
|
||||
|
||||
|
||||
int getopt_argerror( int mode, char *fmt, CHAR *prog, struct option *opt, int retval )
|
||||
{
|
||||
/* Helper function, to generate more complex built-in error
|
||||
* messages, for invalid arguments to long form options ...
|
||||
*/
|
||||
if( opterr )
|
||||
{
|
||||
/* ... but, displayed only if `opterr' is non-zero.
|
||||
*/
|
||||
char flag[] = "--";
|
||||
if( mode != getopt_mode_long )
|
||||
/*
|
||||
* only display one hyphen, for implicit long form options,
|
||||
* improperly resolved by `getopt_long_only()'.
|
||||
*/
|
||||
flag[1] = 0;
|
||||
/*
|
||||
* always preface the program name ...
|
||||
*/
|
||||
fprintf( stderr, "%s: ", prog );
|
||||
/*
|
||||
* to the appropriate, option specific message.
|
||||
*/
|
||||
fprintf( stderr, fmt, flag, opt->name );
|
||||
}
|
||||
/* Whether displaying the message, or not, always set `optopt'
|
||||
* to identify the faulty option ...
|
||||
*/
|
||||
optopt = opt->val;
|
||||
/*
|
||||
* and return the `invalid option' indicator.
|
||||
*/
|
||||
return retval;
|
||||
}
|
||||
|
||||
/* `getopt_conventions' establish behavioural options, to control
|
||||
* the operation of `getopt_parse()', e.g. to select between POSIX
|
||||
* and GNU style argument parsing behaviour.
|
||||
*/
|
||||
#define getopt_set_conventions 0x1000
|
||||
#define getopt_posixly_correct 0x0010
|
||||
|
||||
|
||||
int getopt_conventions( int flags )
|
||||
{
|
||||
static int conventions = 0;
|
||||
|
||||
if( (conventions == 0) && ((flags & getopt_set_conventions) == 0) )
|
||||
{
|
||||
/* default conventions have not yet been established;
|
||||
* initialise them now!
|
||||
*/
|
||||
conventions = getopt_set_conventions;
|
||||
|
||||
}
|
||||
|
||||
else if( flags & getopt_set_conventions )
|
||||
/*
|
||||
* default conventions may have already been established,
|
||||
* but this is a specific request to augment them.
|
||||
*/
|
||||
conventions |= flags;
|
||||
|
||||
/* in any event, return the currently established conventions.
|
||||
*/
|
||||
return conventions;
|
||||
}
|
||||
|
||||
int is_switchar( CHAR flag )
|
||||
{
|
||||
/* A simple helper function, used to identify the switch character
|
||||
* introducing an optional command line argument.
|
||||
*/
|
||||
return flag == getopt_switchar;
|
||||
}
|
||||
|
||||
const CHAR *getopt_match( CHAR lookup, const CHAR *opt_string )
|
||||
{
|
||||
/* Helper function, used to identify short form options.
|
||||
*/
|
||||
if( (*opt_string == getopt_pluschar) || (*opt_string == getopt_switchar) )
|
||||
++opt_string;
|
||||
if( *opt_string == getopt_takes_argument )
|
||||
++opt_string;
|
||||
do if( lookup == *opt_string ) return opt_string;
|
||||
while( *++opt_string );
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int getopt_match_long( const CHAR *nextchar, const CHAR *optname )
|
||||
{
|
||||
/* Helper function, used to identify potential matches for
|
||||
* long form options.
|
||||
*/
|
||||
CHAR matchchar;
|
||||
while( (matchchar = *nextchar++) && (matchchar == *optname) )
|
||||
/*
|
||||
* skip over initial substring which DOES match.
|
||||
*/
|
||||
++optname;
|
||||
|
||||
if( matchchar )
|
||||
{
|
||||
/* did NOT match the entire argument to an initial substring
|
||||
* of a defined option name ...
|
||||
*/
|
||||
if( matchchar != getopt_arg_assign )
|
||||
/*
|
||||
* ... and didn't stop at an `=' internal field separator,
|
||||
* so this is NOT a possible match.
|
||||
*/
|
||||
return getopt_no_match;
|
||||
|
||||
/* DID stop at an `=' internal field separator,
|
||||
* so this IS a possible match, and what follows is an
|
||||
* argument to the possibly matched option.
|
||||
*/
|
||||
optarg = (char *)(nextchar);
|
||||
}
|
||||
return *optname
|
||||
/*
|
||||
* if we DIDN'T match the ENTIRE text of the option name,
|
||||
* then it's a possible abbreviated match ...
|
||||
*/
|
||||
? getopt_abbreviated_match
|
||||
/*
|
||||
* but if we DID match the entire option name,
|
||||
* then it's a DEFINITE EXACT match.
|
||||
*/
|
||||
: getopt_exact_match;
|
||||
}
|
||||
|
||||
int getopt_resolved( int mode, int argc, CHAR *const *argv, int *argind,
|
||||
struct option *opt, int index, int *retindex, const CHAR *optstring )
|
||||
{
|
||||
/* Helper function to establish appropriate return conditions,
|
||||
* on resolution of a long form option.
|
||||
*/
|
||||
if( retindex != NULL )
|
||||
*retindex = index;
|
||||
|
||||
/* On return, `optind' should normally refer to the argument, if any,
|
||||
* which follows the current one; it is convenient to set this, before
|
||||
* checking for the presence of any `optarg'.
|
||||
*/
|
||||
optind = *argind + 1;
|
||||
|
||||
if( optarg && (opt[index].has_arg == no_argument) )
|
||||
/*
|
||||
* it is an error for the user to specify an option specific argument
|
||||
* with an option which doesn't expect one!
|
||||
*/
|
||||
return getopt_argerror( mode, "option `%s%s' doesn't accept an argument\n",
|
||||
PROGNAME, opt + index, getopt_unknown );
|
||||
|
||||
else if( (optarg == NULL) && (opt[index].has_arg == required_argument) )
|
||||
{
|
||||
/* similarly, it is an error if no argument is specified
|
||||
* with an option which requires one ...
|
||||
*/
|
||||
if( optind < argc )
|
||||
/*
|
||||
* ... except that the requirement may be satisfied from
|
||||
* the following command line argument, if any ...
|
||||
*/
|
||||
optarg = argv[*argind = optind++];
|
||||
|
||||
else
|
||||
/* so fail this case, only if no such argument exists!
|
||||
*/
|
||||
return getopt_argerror( mode, "option `%s%s' requires an argument\n",
|
||||
PROGNAME, opt + index, getopt_missing_arg( optstring ) );
|
||||
}
|
||||
|
||||
/* when the caller has provided a return buffer ...
|
||||
*/
|
||||
if( opt[index].flag != NULL )
|
||||
{
|
||||
/* ... then we place the proper return value there,
|
||||
* and return a status code of zero ...
|
||||
*/
|
||||
*(opt[index].flag) = opt[index].val;
|
||||
return 0;
|
||||
}
|
||||
/* ... otherwise, the return value becomes the status code.
|
||||
*/
|
||||
return opt[index].val;
|
||||
}
|
||||
|
||||
static
|
||||
#define getopt_std_args int argc, CHAR *const argv[], const CHAR *optstring
|
||||
int getopt_parse( int mode, getopt_std_args, ... )
|
||||
{
|
||||
/* Common core implementation for ALL `getopt' functions.
|
||||
*/
|
||||
static int argind = 0;
|
||||
static int optbase = 0;
|
||||
static const CHAR *nextchar = NULL;
|
||||
static int optmark = 0;
|
||||
|
||||
if( (optreset |= (optind < 1)) || (optind < optbase) )
|
||||
{
|
||||
/* POSIX does not prescribe any definitive mechanism for restarting
|
||||
* a `getopt' scan, but some applications may require such capability.
|
||||
* We will support it, by allowing the caller to adjust the value of
|
||||
* `optind' downwards, (nominally setting it to zero). Since POSIX
|
||||
* wants `optind' to have an initial value of one, but we want all
|
||||
* of our internal place holders to be initialised to zero, when we
|
||||
* are called for the first time, we will handle such a reset by
|
||||
* adjusting all of the internal place holders to one less than
|
||||
* the adjusted `optind' value, (but never to less than zero).
|
||||
*/
|
||||
if( optreset )
|
||||
{
|
||||
/* User has explicitly requested reinitialisation...
|
||||
* We need to reset `optind' to it's normal initial value of 1,
|
||||
* to avoid a potential infinitely recursive loop; by doing this
|
||||
* up front, we also ensure that the remaining place holders
|
||||
* will be correctly reinitialised to no less than zero.
|
||||
*/
|
||||
optind = 1;
|
||||
|
||||
/* We also need to clear the `optreset' request...
|
||||
*/
|
||||
optreset = 0;
|
||||
}
|
||||
|
||||
/* Now, we may safely reinitialise the internal place holders, to
|
||||
* one less than `optind', without fear of making them negative.
|
||||
*/
|
||||
optmark = optbase = argind = optind - 1;
|
||||
nextchar = NULL;
|
||||
}
|
||||
|
||||
/* From a POSIX perspective, the following is `undefined behaviour';
|
||||
* we implement it thus, for compatibility with GNU and BSD getopt.
|
||||
*/
|
||||
else if( optind > (argind + 1) )
|
||||
{
|
||||
/* Some applications expect to be able to manipulate `optind',
|
||||
* causing `getopt' to skip over one or more elements of `argv';
|
||||
* POSIX doesn't require us to support this brain-damaged concept;
|
||||
* (indeed, POSIX defines no particular behaviour, in the event of
|
||||
* such usage, so it must be considered a bug for an application
|
||||
* to rely on any particular outcome); nonetheless, Mac-OS-X and
|
||||
* BSD actually provide *documented* support for this capability,
|
||||
* so we ensure that our internal place holders keep track of
|
||||
* external `optind' increments; (`argind' must lag by one).
|
||||
*/
|
||||
argind = optind - 1;
|
||||
|
||||
/* When `optind' is misused, in this fashion, we also abandon any
|
||||
* residual text in the argument we had been parsing; this is done
|
||||
* without any further processing of such abandoned text, assuming
|
||||
* that the caller is equipped to handle it appropriately.
|
||||
*/
|
||||
nextchar = NULL;
|
||||
}
|
||||
|
||||
if( nextchar && *nextchar )
|
||||
{
|
||||
/* we are parsing a standard, or short format, option argument ...
|
||||
*/
|
||||
const CHAR *optchar;
|
||||
if( (optchar = getopt_match( optopt = *nextchar++, optstring )) != NULL )
|
||||
{
|
||||
/* we have identified it as valid ...
|
||||
*/
|
||||
if( optchar[1] == getopt_takes_argument )
|
||||
{
|
||||
/* and determined that it requires an associated argument ...
|
||||
*/
|
||||
if( ! *(optarg = (char *)(nextchar)) )
|
||||
{
|
||||
/* the argument is NOT attached ...
|
||||
*/
|
||||
if( optchar[2] == getopt_takes_argument )
|
||||
/*
|
||||
* but this GNU extension marks it as optional,
|
||||
* so we don't provide one on this occasion.
|
||||
*/
|
||||
optarg = NULL;
|
||||
|
||||
/* otherwise this option takes a mandatory argument,
|
||||
* so, provided there is one available ...
|
||||
*/
|
||||
else if( (argc - argind) > 1 )
|
||||
/*
|
||||
* we take the following command line argument,
|
||||
* as the appropriate option argument.
|
||||
*/
|
||||
optarg = argv[++argind];
|
||||
|
||||
/* but if no further argument is available,
|
||||
* then there is nothing we can do, except for
|
||||
* issuing the requisite diagnostic message.
|
||||
*/
|
||||
else
|
||||
{
|
||||
complain( "option requires an argument -- %c", optopt );
|
||||
return getopt_missing_arg( optstring );
|
||||
}
|
||||
}
|
||||
optind = argind + 1;
|
||||
nextchar = NULL;
|
||||
}
|
||||
else
|
||||
optarg = NULL;
|
||||
optind = (nextchar && *nextchar) ? argind : argind + 1;
|
||||
return optopt;
|
||||
}
|
||||
/* if we didn't find a valid match for the specified option character,
|
||||
* then we fall through to here, so take appropriate diagnostic action.
|
||||
*/
|
||||
if( mode == getopt_mode_long_only )
|
||||
{
|
||||
complain( "unrecognised option `-%s'", --nextchar );
|
||||
nextchar = NULL;
|
||||
optopt = 0;
|
||||
}
|
||||
else
|
||||
complain( "invalid option -- %c", optopt );
|
||||
optind = (nextchar && *nextchar) ? argind : argind + 1;
|
||||
return getopt_unknown;
|
||||
}
|
||||
|
||||
if( optmark > optbase )
|
||||
{
|
||||
/* This can happen, in GNU parsing mode ONLY, when we have
|
||||
* skipped over non-option arguments, and found a subsequent
|
||||
* option argument; in this case we permute the arguments.
|
||||
*/
|
||||
int index;
|
||||
/*
|
||||
* `optspan' specifies the number of contiguous arguments
|
||||
* which are spanned by the current option, and so must be
|
||||
* moved together during permutation.
|
||||
*/
|
||||
int optspan = argind - optmark + 1;
|
||||
/*
|
||||
* we use `this_arg' to store these temporarily.
|
||||
*/
|
||||
CHAR *this_arg[100];
|
||||
/*
|
||||
* we cannot manipulate `argv' directly, since the `getopt'
|
||||
* API prototypes it as `read-only'; this cast to `arglist'
|
||||
* allows us to work around that restriction.
|
||||
*/
|
||||
CHAR **arglist = (char **)(argv);
|
||||
|
||||
/* save temporary copies of the arguments which are associated
|
||||
* with the current option ...
|
||||
*/
|
||||
for( index = 0; index < optspan; ++index )
|
||||
this_arg[index] = arglist[optmark + index];
|
||||
|
||||
/* move all preceding non-option arguments to the right,
|
||||
* overwriting these saved arguments, while making space
|
||||
* to replace them in their permuted location.
|
||||
*/
|
||||
for( --optmark; optmark >= optbase; --optmark )
|
||||
arglist[optmark + optspan] = arglist[optmark];
|
||||
|
||||
/* restore the temporarily saved option arguments to
|
||||
* their permuted location.
|
||||
*/
|
||||
for( index = 0; index < optspan; ++index )
|
||||
arglist[optbase + index] = this_arg[index];
|
||||
|
||||
/* adjust `optbase', to account for the relocated option.
|
||||
*/
|
||||
optbase += optspan;
|
||||
}
|
||||
|
||||
else
|
||||
/* no permutation occurred ...
|
||||
* simply adjust `optbase' for all options parsed so far.
|
||||
*/
|
||||
optbase = argind + 1;
|
||||
|
||||
/* enter main parsing loop ...
|
||||
*/
|
||||
while( argc > ++argind )
|
||||
{
|
||||
/* inspect each argument in turn, identifying possible options ...
|
||||
*/
|
||||
if( is_switchar( *(nextchar = argv[optmark = argind]) ) && *++nextchar )
|
||||
{
|
||||
/* we've found a candidate option argument ... */
|
||||
|
||||
if( is_switchar( *nextchar ) )
|
||||
{
|
||||
/* it's a double hyphen argument ... */
|
||||
|
||||
const CHAR *refchar = nextchar;
|
||||
if( *++refchar )
|
||||
{
|
||||
/* and it looks like a long format option ...
|
||||
* `getopt_long' mode must be active to accept it as such,
|
||||
* `getopt_long_only' also qualifies, but we must downgrade
|
||||
* it to force explicit handling as a long format option.
|
||||
*/
|
||||
if( mode >= getopt_mode_long )
|
||||
{
|
||||
nextchar = refchar;
|
||||
mode = getopt_mode_long;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* this is an explicit `--' end of options marker, so wrap up now!
|
||||
*/
|
||||
if( optmark > optbase )
|
||||
{
|
||||
/* permuting the argument list as necessary ...
|
||||
* (note use of `this_arg' and `arglist', as above).
|
||||
*/
|
||||
CHAR *this_arg = argv[optmark];
|
||||
CHAR **arglist = (CHAR **)(argv);
|
||||
|
||||
/* move all preceding non-option arguments to the right ...
|
||||
*/
|
||||
do arglist[optmark] = arglist[optmark - 1];
|
||||
while( optmark-- > optbase );
|
||||
|
||||
/* reinstate the `--' marker, in its permuted location.
|
||||
*/
|
||||
arglist[optbase] = this_arg;
|
||||
}
|
||||
/* ... before finally bumping `optbase' past the `--' marker,
|
||||
* and returning the `all done' completion indicator.
|
||||
*/
|
||||
optind = ++optbase;
|
||||
return getopt_all_done;
|
||||
}
|
||||
}
|
||||
else if( mode < getopt_mode_long_only )
|
||||
{
|
||||
/* it's not an explicit long option, and `getopt_long_only' isn't active,
|
||||
* so we must explicitly try to match it as a short option.
|
||||
*/
|
||||
mode = getopt_mode_standard;
|
||||
}
|
||||
|
||||
if( mode >= getopt_mode_long )
|
||||
{
|
||||
/* the current argument is a long form option, (either explicitly,
|
||||
* introduced by a double hyphen, or implicitly because we were called
|
||||
* by `getopt_long_only'); this is where we parse it.
|
||||
*/
|
||||
int lookup;
|
||||
int matched = -1;
|
||||
struct option *longopts;
|
||||
int *optindex;
|
||||
/* we need to fetch the `extra' function arguments, which are
|
||||
* specified for the `getopt_long' APIs.
|
||||
*/
|
||||
va_list refptr;
|
||||
va_start( refptr, optstring );
|
||||
longopts = va_arg( refptr, struct option * );
|
||||
optindex = va_arg( refptr, int * );
|
||||
va_end( refptr );
|
||||
|
||||
/* ensuring that `optarg' does not inherit any junk, from parsing
|
||||
* preceding arguments ...
|
||||
*/
|
||||
optarg = NULL;
|
||||
for( lookup = 0; longopts && longopts[lookup].name; ++lookup )
|
||||
{
|
||||
/* scan the list of defined long form options ...
|
||||
*/
|
||||
switch( getopt_match_long( nextchar, longopts[lookup].name ) )
|
||||
{
|
||||
/* looking for possible matches for the current argument.
|
||||
*/
|
||||
case getopt_exact_match:
|
||||
/*
|
||||
* when an exact match is found,
|
||||
* return it immediately, setting `nextchar' to NULL,
|
||||
* to ensure we don't mistakenly try to match any
|
||||
* subsequent characters as short form options.
|
||||
*/
|
||||
nextchar = NULL;
|
||||
return getopt_resolved( mode, argc, argv, &argind,
|
||||
longopts, lookup, optindex, optstring );
|
||||
|
||||
case getopt_abbreviated_match:
|
||||
/*
|
||||
* but, for a partial (initial substring) match ...
|
||||
*/
|
||||
if( matched >= 0 )
|
||||
{
|
||||
/* if this is not the first, then we have an ambiguity ...
|
||||
*/
|
||||
optopt = 0;
|
||||
nextchar = NULL;
|
||||
optind = argind + 1;
|
||||
complain( "option `%s' is ambiguous", argv[argind] );
|
||||
return getopt_unknown;
|
||||
}
|
||||
/* otherwise just note that we've found a possible match ...
|
||||
*/
|
||||
matched = lookup;
|
||||
}
|
||||
}
|
||||
if( matched >= 0 )
|
||||
{
|
||||
/* if we get to here, then we found exactly one partial match,
|
||||
* so return it, as for an exact match.
|
||||
*/
|
||||
nextchar = NULL;
|
||||
return getopt_resolved( mode, argc, argv, &argind,
|
||||
longopts, matched, optindex, optstring );
|
||||
}
|
||||
if( mode < getopt_mode_long_only )
|
||||
{
|
||||
/* if here, then we had what SHOULD have been a long form option,
|
||||
* but it is unmatched; (perversely, `mode == getopt_mode_long_only'
|
||||
* allows us to still try to match it as a short form option).
|
||||
*/
|
||||
optopt = 0;
|
||||
nextchar = NULL;
|
||||
optind = argind + 1;
|
||||
complain( "unrecognised option `%s'", argv[argind] );
|
||||
return getopt_unknown;
|
||||
}
|
||||
}
|
||||
/* fall through to handle standard short form options...
|
||||
* when the option argument format is neither explictly identified
|
||||
* as long, nor implicitly matched as such, and the argument isn't
|
||||
* just a bare hyphen, (which isn't an option), then we make one
|
||||
* recursive call to explicitly interpret it as short format.
|
||||
*/
|
||||
if( *nextchar )
|
||||
return getopt_parse( mode, argc, argv, optstring );
|
||||
}
|
||||
/* if we get to here, then we've parsed a non-option argument ...
|
||||
* in GNU compatibility mode, we step over it, so we can permute
|
||||
* any subsequent option arguments, but ...
|
||||
*/
|
||||
if( *optstring == getopt_switchar )
|
||||
{
|
||||
/* if `optstring' begins with a `-' character, this special
|
||||
* GNU specific behaviour requires us to return the non-option
|
||||
* arguments in strict order, as pseudo-arguments to a special
|
||||
* option, with return value defined as `getopt_ordered'.
|
||||
*/
|
||||
nextchar = NULL;
|
||||
optind = argind + 1;
|
||||
optarg = argv[argind];
|
||||
return getopt_ordered;
|
||||
}
|
||||
if( getopt_conventions( *optstring ) & getopt_posixly_correct )
|
||||
/*
|
||||
* otherwise ...
|
||||
* for POSIXLY_CORRECT behaviour, or if `optstring' begins with
|
||||
* a `+' character, then we break out of the parsing loop, so that
|
||||
* the scan ends at the current argument, with no permutation.
|
||||
*/
|
||||
break;
|
||||
}
|
||||
/* fall through when all arguments have been evaluated,
|
||||
*/
|
||||
optind = optbase;
|
||||
return getopt_all_done;
|
||||
}
|
||||
|
||||
/* All three public API entry points are trivially defined,
|
||||
* in terms of the internal `getopt_parse' function.
|
||||
*/
|
||||
int getopt( getopt_std_args )
|
||||
{
|
||||
return getopt_parse( getopt_mode_standard, argc, argv, optstring );
|
||||
}
|
||||
|
||||
int getopt_long( getopt_std_args, const struct option *opts, int *index )
|
||||
{
|
||||
return getopt_parse( getopt_mode_long, argc, argv, optstring, opts, index );
|
||||
}
|
||||
|
||||
int getopt_long_only( getopt_std_args, const struct option *opts, int *index )
|
||||
{
|
||||
return getopt_parse( getopt_mode_long_only, argc, argv, optstring, opts, index );
|
||||
}
|
||||
|
||||
#ifdef __weak_alias
|
||||
/*
|
||||
* These Microsnot style uglified aliases are provided for compatibility
|
||||
* with the previous MinGW implementation of the getopt API.
|
||||
*/
|
||||
__weak_alias( getopt, _getopt )
|
||||
__weak_alias( getopt_long, _getopt_long )
|
||||
__weak_alias( getopt_long_only, _getopt_long_only )
|
||||
#endif
|
||||
|
||||
/* $RCSfile: getopt.c,v $Revision: 1.9 $: end of file */
|
||||
@ -0,0 +1,108 @@
|
||||
#ifndef __GETOPT_H__
|
||||
/*
|
||||
* getopt.h
|
||||
*
|
||||
* $Id: getopt.h,v 1.4 2009/01/04 17:35:36 keithmarshall Exp $
|
||||
*
|
||||
* Defines constants and function prototypes required to implement
|
||||
* the `getopt', `getopt_long' and `getopt_long_only' APIs.
|
||||
*
|
||||
* This file is part of the MinGW32 package set.
|
||||
*
|
||||
* Contributed by Keith Marshall <keithmarshall@users.sourceforge.net>
|
||||
*
|
||||
*
|
||||
* THIS SOFTWARE IS NOT COPYRIGHTED
|
||||
*
|
||||
* This source code is offered for use in the public domain. You may
|
||||
* use, modify or distribute it freely.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful but
|
||||
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
|
||||
* DISCLAIMED. This includes but is not limited to warranties of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Revision: 1.4 $
|
||||
* $Author: keithmarshall $
|
||||
* $Date: 2009/01/04 17:35:36 $
|
||||
*
|
||||
*/
|
||||
#define __GETOPT_H__
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern int optind; /* index of first non-option in argv */
|
||||
extern int optopt; /* single option character, as parsed */
|
||||
extern int opterr; /* flag to enable built-in diagnostics... */
|
||||
/* (user may set to zero, to suppress) */
|
||||
|
||||
extern char *optarg; /* pointer to argument of current option */
|
||||
|
||||
extern int getopt( int, char * const [], const char * );
|
||||
|
||||
#ifdef _BSD_SOURCE
|
||||
/*
|
||||
* BSD adds the non-standard `optreset' feature, for reinitialisation
|
||||
* of `getopt' parsing. We support this feature, for applications which
|
||||
* proclaim their BSD heritage, before including this header; however,
|
||||
* to maintain portability, developers are advised to avoid it.
|
||||
*/
|
||||
# define optreset __mingw_optreset
|
||||
|
||||
extern int optreset;
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
/*
|
||||
* POSIX requires the `getopt' API to be specified in `unistd.h';
|
||||
* thus, `unistd.h' includes this header. However, we do not want
|
||||
* to expose the `getopt_long' or `getopt_long_only' APIs, when
|
||||
* included in this manner. Thus, close the standard __GETOPT_H__
|
||||
* declarations block, and open an additional __GETOPT_LONG_H__
|
||||
* specific block, only when *not* __UNISTD_H_SOURCED__, in which
|
||||
* to declare the extended API.
|
||||
*/
|
||||
#endif /* !defined(__GETOPT_H__) */
|
||||
#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
|
||||
#define __GETOPT_LONG_H__
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct option /* specification for a long form option... */
|
||||
{
|
||||
const char *name; /* option name, without leading hyphens */
|
||||
int has_arg; /* does it take an argument? */
|
||||
int *flag; /* where to save its status, or NULL */
|
||||
int val; /* its associated status value */
|
||||
};
|
||||
|
||||
enum /* permitted values for its `has_arg' field... */
|
||||
{
|
||||
no_argument = 0, /* option never takes an argument */
|
||||
required_argument, /* option always requires an argument */
|
||||
optional_argument /* option may take an argument */
|
||||
};
|
||||
|
||||
extern int getopt_long( int, char * const [], const char *, const struct option *, int * );
|
||||
extern int getopt_long_only( int, char * const [], const char *, const struct option *, int * );
|
||||
/*
|
||||
* Previous MinGW implementation had...
|
||||
*/
|
||||
#ifndef HAVE_DECL_GETOPT
|
||||
/*
|
||||
* ...for the long form API only; keep this for compatibility.
|
||||
*/
|
||||
# define HAVE_DECL_GETOPT 1
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */
|
||||
/* $RCSfile: getopt.h,v $Revision: 1.4 $: end of file */
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -0,0 +1,2 @@
|
||||
#TargetFrameworkVersion=v4.0:PlatformToolSet=v141:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit:WindowsTargetPlatformVersion=10.0.17763.0
|
||||
Debug|x64|C:\Users\John\OneDrive\Dev\Source\bpq32\CommonSource\|
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
File diff suppressed because it is too large
Load Diff
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in new issue