Blame src/apimagic.c

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/**********************************************************/
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/*  apimagic: cparser-based API normalization utility     */
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/*  Copyright (C) 2015--2016  Z. Gilboa                   */
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/*  Released under GPLv2 and GPLv3; see COPYING.APIMAGIC. */
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/**********************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <apimagic/apimagic.h>
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#include "apimagic_version.h"
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#ifndef AMGC_DRIVER_FLAGS
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#define AMGC_DRIVER_FLAGS	AMGC_DRIVER_VERBOSITY_ERRORS \
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				| AMGC_DRIVER_VERBOSITY_USAGE
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#endif
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static const char vermsg[] = "%s (git://midipix.org/apimagic): commit %s.\n";
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static ssize_t apimagic_version(struct amgc_driver_ctx * dctx)
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{
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	return fprintf(stdout,vermsg,dctx->program,APIMAGIC_GIT_VERSION);
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}
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static void apimagic_perform_unit_actions(struct amgc_unit_ctx * uctx)
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{
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	const struct amgc_action * action;
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	for (action=uctx->cctx->actions; action->type; action++)
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		switch (action->action) {
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			case AMGC_OUTPUT_ENUM:
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				if (action->symbol)
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					(void)0;
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				else
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					amgc_output_unit_enums(uctx,0,stdout);
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				break;
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			case AMGC_LIST_ENUM:
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				if (action->symbol)
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					(void)0;
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				else
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					amgc_list_unit_enums(uctx,0,stdout);
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				break;
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		}
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}
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static int apimagic_exit(struct amgc_driver_ctx * dctx, int nerrors)
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{
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	amgc_free_driver_ctx(dctx);
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	return nerrors ? 2 : 0;
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}
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int apimagic_main(int argc, const char ** argv, const char ** envp)
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{
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	int				ret;
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	struct amgc_driver_ctx *	dctx;
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	struct amgc_unit_ctx *		uctx;
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	const char **			unit;
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	if ((ret = amgc_get_driver_ctx(argv,envp,AMGC_DRIVER_FLAGS,&dctx)))
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		return (ret == AMGC_USAGE) ? !--argc : 2;
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	if (dctx->cctx->drvflags & AMGC_DRIVER_VERSION)
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		if ((apimagic_version(dctx)) < 0)
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			return apimagic_exit(dctx,2);
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	for (unit=dctx->units; *unit; unit++) {
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		if (!(amgc_get_unit_ctx(dctx,*unit,&uctx))) {
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			apimagic_perform_unit_actions(uctx);
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			ret += uctx->nerrors;
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			amgc_free_unit_ctx(uctx);
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		} else
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			ret++;
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	}
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	return apimagic_exit(dctx,ret);
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}
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#ifndef APIMAGIC_IN_A_BOX
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int main(int argc, const char ** argv, const char ** envp)
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{
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	return apimagic_main(argc,argv,envp);
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}
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#endif