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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* Copyright 2024 <lhearachel@proton.me>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NARC_COMMAND_H
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#define NARC_COMMAND_H
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#include <stdbool.h>
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// Standard failure macro. `fail` should be implemented for all commands
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// as an end-state where any potentially-allocated memory is freed and the
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// routine returns EXIT_FAILURE.
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#define FAIL(msgfmt, ...) \
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{ \
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fprintf(stderr, msgfmt, __VA_ARGS__); \
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goto fail; \
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}
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struct command {
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const char *abbrev;
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const char *name;
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int (*main)(int argc, const char **argv);
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};
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extern const struct command handlers[];
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int create(int argc, const char **argv);
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int extract(int argc, const char **argv);
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int yank(int argc, const char **argv);
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int info(int argc, const char **argv);
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int help(int argc, const char **argv);
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#endif // NARC_COMMAND_H
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