69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
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* This file Copyright (C) 2008 Charles Kerr <charles@rebelbase.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* $Id:$
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*/
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#ifndef TR_GETOPT_H
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#define TR_GETOPT_H
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extern int tr_optind;
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typedef struct tr_option
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{
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int val; /* the value to return from tr_getopt() */
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char * longName; /* --long-form */
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char * description; /* option's description for tr_getopt_usage() */
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char * shortName; /* short form */
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int has_arg; /* 0 for no argument, 1 for argument */
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char * argName; /* argument's description for tr_getopt_usage() */
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}
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tr_option;
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enum
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{
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/* all options have been processed */
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TR_OPT_DONE = 0,
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/* a syntax error was detected, such as a missing
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* argument for an option that requires one */
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TR_OPT_ERR = -1,
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/* an unknown option was reached */
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TR_OPT_UNK = -2
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};
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/**
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* @return TR_GETOPT_DONE, TR_GETOPT_ERR, TR_GETOPT_UNK,
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* or the matching tr_option's `val' field
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*/
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int tr_getopt( const char * summary,
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int argc,
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const char ** argv,
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const tr_option * opts,
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const char ** setme_optarg );
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void tr_getopt_usage( const char * appName,
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const char * description,
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const tr_option * opts );
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#endif /* TR_GETOPT_H */
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