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67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*
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* BSD-3-Clause
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*
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* Copyright 2021 Ozan Tezcan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SC_OPTION_H
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#define SC_OPTION_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#define SC_OPTION_VERSION "2.0.0"
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struct sc_option_item {
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const char letter;
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const char *name;
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};
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struct sc_option {
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struct sc_option_item *options;
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int count;
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char **argv;
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};
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/**
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*
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* @param opt Already initialized sc_opt struct
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* @param index Index for argv
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* @param value [out] Value for the option if exists. It should be after '='
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* sign. e.g., -key=value or -k=value. If value does not exists
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* (*value) will point to '\0' character. It won't be NULL itself.
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*
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* To check if option has value associated : if (*value != '\0')
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*
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* @return Letter for the option. If option is not known, '?' will be
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* returned.
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*/
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char sc_option_at(struct sc_option *opt, int index, char **value);
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#endif
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