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

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

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

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

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

#include <stdio.h>

#include <string.h>

#include <stdbool.h>

#include <slibtool/slibtool.h>

#include "slibtool_driver_impl.h"

#include "slibtool_dprintf_impl.h"

#include "slibtool_errinfo_impl.h"

#ifndef SLBT_TAB_WIDTH

#define SLBT_TAB_WIDTH 8

#endif

#ifndef SLBT_KEY_WIDTH

#define SLBT_KEY_WIDTH 16

#endif

static bool slbt_output_config_line(

	int		fd,

	const char *	key,

	const char *	value,

	const char *	annotation,

	int		midwidth)

{

	return (slbt_dprintf(fd,"%-*s%-*s%s\n",

			SLBT_KEY_WIDTH, key,

			midwidth, value ? value : "",

			annotation ? annotation : "") < 0)

		? true : false;

}

int slbt_output_config(const struct slbt_driver_ctx * dctx)

{

	const struct slbt_common_ctx *	cctx;

	const char *			compiler;

	const char *			target;

	int				len;

	int				midwidth;

	int				fdout;

	cctx     = dctx->cctx;

	compiler = cctx->cargv[0] ? cctx->cargv[0] : "";

	target   = cctx->target   ? cctx->target   : "";

	midwidth = strlen(compiler);

	fdout    = slbt_driver_fdout(dctx);

	if ((len = strlen(target)) > midwidth)

		midwidth = len;

	if ((len = strlen(cctx->host.host)) > midwidth)

		midwidth = len;

	if ((len = strlen(cctx->host.flavor)) > midwidth)

		midwidth = len;

	if ((len = strlen(cctx->host.ar)) > midwidth)

		midwidth = len;

	if ((len = strlen(cctx->host.ranlib)) > midwidth)

		midwidth = len;

	if ((len = strlen(cctx->host.dlltool)) > midwidth)

		midwidth = len;

	if ((len = strlen(cctx->host.mdso)) > midwidth)

		midwidth = len;

	midwidth += SLBT_TAB_WIDTH;

	midwidth &= (~(SLBT_TAB_WIDTH-1));

	if (slbt_output_config_line(fdout,"key","value","annotation",midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"---","-----","----------",midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"compiler",cctx->cargv[0],"",midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"target",cctx->target,"",midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"host",cctx->host.host,cctx->cfgmeta.host,midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"flavor",cctx->host.flavor,cctx->cfgmeta.flavor,midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"ar",cctx->host.ar,cctx->cfgmeta.ar,midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"ranlib",cctx->host.ranlib,cctx->cfgmeta.ranlib,midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"dlltool",cctx->host.dlltool,cctx->cfgmeta.dlltool,midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	if (slbt_output_config_line(fdout,"mdso",cctx->host.mdso,cctx->cfgmeta.mdso,midwidth))

		return SLBT_SYSTEM_ERROR(dctx);

	return 0;

}