/*******************************************************************/

/*  slibtool: a skinny libtool implementation, written in C        */

/*  Copyright (C) 2016--2018  Z. Gilboa                            */

/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */

/*******************************************************************/

#include <slibtool/slibtool.h>

#include "slibtool_driver_impl.h"

#include "slibtool_spawn_impl.h"

#include "slibtool_symlink_impl.h"

#include "slibtool_errinfo_impl.h"

int slbt_copy_file(

	const struct slbt_driver_ctx *	dctx,

	struct slbt_exec_ctx *		ectx,

	char *				src,

	char *				dst)

{

	int	fdcwd;

	char **	oargv;

	char *	oprogram;

	char *	cp[4];

	int	ret;

	/* fdcwd */

	fdcwd = slbt_driver_fdcwd(dctx);

	/* placeholder? */

	if (slbt_symlink_is_a_placeholder(fdcwd,src))

		return 0;

	/* cp argv */

	cp[0] = "cp";

	cp[1] = src;

	cp[2] = dst;

	cp[3] = 0;

	/* alternate argument vector */

	oprogram      = ectx->program;

	oargv         = ectx->argv;

	ectx->argv    = cp;

	ectx->program = "cp";

	/* step output */

	if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) {

		if (dctx->cctx->mode == SLBT_MODE_LINK) {

			if (slbt_output_link(dctx,ectx)) {

				ectx->argv = oargv;

				ectx->program = oprogram;

				return SLBT_NESTED_ERROR(dctx);

			}

		} else {

			if (slbt_output_install(dctx,ectx)) {

				ectx->argv = oargv;

				ectx->program = oprogram;

				return SLBT_NESTED_ERROR(dctx);

			}

		}

	}

	/* dlltool spawn */

	ret = ((slbt_spawn(ectx,true) < 0) || ectx->exitcode)

		? SLBT_SYSTEM_ERROR(dctx,0) : 0;

	ectx->argv = oargv;

	ectx->program = oprogram;

	return ret;

}