Blame src/mdso.c

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/****************************************************************/
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/*  mdso: midipix dso scavenger                                 */
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/*  Copyright (C) 2015  Z. Gilboa                               */
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/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
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/****************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <mdso/mdso.h>
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#include <mdso/mdso_output.h>
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#include "mdso_version.h"
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#ifndef MDSO_DRIVER_FLAGS
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#define MDSO_DRIVER_FLAGS	MDSO_DRIVER_VERBOSITY_ERRORS \
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				| MDSO_DRIVER_VERBOSITY_USAGE
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#endif
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static const char vermsg[] = "%s (git://midipix.org/mdso): commit %s.\n";
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static ssize_t mdso_version(struct mdso_driver_ctx * dctx)
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{
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	return fprintf(stdout,vermsg,dctx->program,MDSO_GIT_VERSION);
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}
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static void mdso_perform_unit_actions(struct mdso_unit_ctx * uctx)
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{
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        uint64_t flags = uctx->cctx->fmtflags;
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        if (flags & MDSO_OUTPUT_EXPORT_SYMS) {
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                uctx->status = mdso_output_export_symbols(uctx,uctx->cctx,stdout);
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                uctx->nerrors += !!uctx->status;
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        }
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}
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static int mdso_exit(struct mdso_driver_ctx * dctx, int nerrors)
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{
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	mdso_free_driver_ctx(dctx);
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	return nerrors ? 2 : 0;
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}
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int mdso_main(int argc, const char ** argv, const char ** envp)
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{
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	int				ret;
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	struct mdso_driver_ctx *	dctx;
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	struct mdso_unit_ctx *		uctx;
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	const char **			unit;
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	if ((ret = mdso_get_driver_ctx(argv,envp,MDSO_DRIVER_FLAGS,&dctx)))
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		return (ret == MDSO_USAGE) ? !--argc : 2;
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	if (dctx->cctx->drvflags & MDSO_DRIVER_VERSION)
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		if ((mdso_version(dctx)) < 0)
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			return mdso_exit(dctx,2);
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	for (unit=dctx->units; *unit; unit++) {
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		if (!(mdso_get_unit_ctx(dctx,*unit,&uctx))) {
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			mdso_perform_unit_actions(uctx);
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			ret += uctx->nerrors;
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			mdso_free_unit_ctx(uctx);
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		}
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	}
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	return mdso_exit(dctx,ret);
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}
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#ifndef MDSO_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 mdso_main(argc,argv,envp);
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}
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#endif