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

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

/*  Copyright (C) 2016--2021  SysDeer Technologies, LLC            */

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

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

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <fcntl.h>

#include <errno.h>

#include <sys/stat.h>

#include <slibtool/slibtool.h>

#include "slibtool_driver_impl.h"

#include "slibtool_errinfo_impl.h"

#include "slibtool_linkcmd_impl.h"

#include "slibtool_mapfile_impl.h"

#include "slibtool_metafile_impl.h"

#include "slibtool_snprintf_impl.h"

#include "slibtool_symlink_impl.h"

int slbt_exec_link_create_host_tag(

	const struct slbt_driver_ctx *	dctx,

	struct slbt_exec_ctx *		ectx,

	char *				deffilename)

{

	char *  slash;

	char	hosttag[PATH_MAX];

	char	hostlnk[PATH_MAX];

	/* libfoo.so.def.{flavor} */

	if (slbt_snprintf(hosttag,

			sizeof(hosttag),

			"%s.%s",

			deffilename,

			dctx->cctx->host.flavor) < 0)

		return SLBT_BUFFER_ERROR(dctx);

	if (slbt_snprintf(hostlnk,

			sizeof(hostlnk),

			"%s.host",

			deffilename) < 0)

		return SLBT_BUFFER_ERROR(dctx);

	/* libfoo.so.def is under .libs/ */

	if (!(slash = strrchr(deffilename,'/')))

		return SLBT_CUSTOM_ERROR(dctx,SLBT_ERR_LINK_FLOW);

	if (slbt_create_symlink(

		dctx,ectx,

		deffilename,

		hosttag,

		SLBT_SYMLINK_DEFAULT))

	return SLBT_NESTED_ERROR(dctx);

	/* libfoo.so.def.{flavor} is under .libs/ */

	if (!(slash = strrchr(hosttag,'/')))

		return SLBT_CUSTOM_ERROR(dctx,SLBT_ERR_LINK_FLOW);

	if (slbt_create_symlink(

			dctx,ectx,

			++slash,

			hostlnk,

			SLBT_SYMLINK_DEFAULT))

		return SLBT_NESTED_ERROR(dctx);

	return 0;

}