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

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

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

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

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

#ifndef SLIBTOOL_DRIVER_IMPL_H

#define SLIBTOOL_DRIVER_IMPL_H

#include <stdint.h>

#include <stdio.h>

#include <sys/types.h>

#include <slibtool/slibtool.h>

#include "slibtool_dprintf_impl.h"

#include "argv/argv.h"

#define SLBT_OPTV_ELEMENTS 64

extern const struct argv_option slbt_default_options[];

enum app_tags {

	TAG_HELP,

	TAG_HELP_ALL,

	TAG_VERSION,

	TAG_CONFIG,

	TAG_DEBUG,

	TAG_DRY_RUN,

	TAG_FEATURES,

	TAG_LEGABITS,

	TAG_MODE,

	TAG_FINISH,

	TAG_WARNINGS,

	TAG_ANNOTATE,

	TAG_DEPS,

	TAG_SILENT,

	TAG_TAG,

	TAG_VERBOSE,

	TAG_TARGET,

	TAG_HOST,

	TAG_FLAVOR,

	TAG_AR,

	TAG_RANLIB,

	TAG_DLLTOOL,

	TAG_MDSO,

	TAG_IMPLIB,

	TAG_OUTPUT,

	TAG_BINDIR,

	TAG_LDRPATH,

	TAG_SHREXT,

	TAG_RPATH,

	TAG_RELEASE,

	TAG_DLOPEN,

	TAG_DLPREOPEN,

	TAG_EXPORT_DYNAMIC,

	TAG_EXPSYM_FILE,

	TAG_EXPSYM_REGEX,

	TAG_VERSION_INFO,

	TAG_VERSION_NUMBER,

	TAG_NO_SUPPRESS,

	TAG_NO_INSTALL,

	TAG_PREFER_PIC,

	TAG_PREFER_NON_PIC,

	TAG_SHARED,

	TAG_STATIC,

	TAG_ALL_STATIC,

	TAG_DISABLE_STATIC,

	TAG_DISABLE_SHARED,

	TAG_NO_UNDEFINED,

	TAG_MODULE,

	TAG_AVOID_VERSION,

	TAG_COMPILER_FLAG,

	TAG_VERBATIM_FLAG,

	TAG_THREAD_SAFE,

};

struct slbt_host_strs {

	char *		machine;

	char *		host;

	char *		flavor;

	char *		ar;

	char *		ranlib;

	char *		dlltool;

	char *		mdso;

};

struct slbt_driver_ctx_impl {

	struct slbt_common_ctx	cctx;

	struct slbt_driver_ctx	ctx;

	struct slbt_host_strs	host;

	struct slbt_host_strs	ahost;

	struct slbt_fd_ctx	fdctx;

	char *			libname;

	char **			targv;

	char **			cargv;

	struct slbt_error_info**errinfp;

	struct slbt_error_info**erricap;

	struct slbt_error_info *erriptr[64];

	struct slbt_error_info	erribuf[64];

};

struct slbt_exec_ctx_impl {

	int			argc;

	char *			args;

	char *			shadow;

	char *			dsoprefix;

	size_t			size;

	struct slbt_exec_ctx	ctx;

	int			fdwrapper;

	char *			vbuffer[];

};

static inline struct slbt_driver_ctx_impl * slbt_get_driver_ictx(const struct slbt_driver_ctx * dctx)

{

	uintptr_t addr;

	if (dctx) {

		addr = (uintptr_t)dctx - offsetof(struct slbt_driver_ctx_impl,ctx);

		return (struct slbt_driver_ctx_impl *)addr;

	}

	return 0;

}

static inline int slbt_driver_fdin(const struct slbt_driver_ctx * dctx)

{

	struct slbt_fd_ctx fdctx;

	slbt_get_driver_fdctx(dctx,&fdctx);

	return fdctx.fdin;

}

static inline int slbt_driver_fdout(const struct slbt_driver_ctx * dctx)

{

	struct slbt_fd_ctx fdctx;

	slbt_get_driver_fdctx(dctx,&fdctx);

	return fdctx.fdout;

}

static inline int slbt_driver_fderr(const struct slbt_driver_ctx * dctx)

{

	struct slbt_fd_ctx fdctx;

	slbt_get_driver_fdctx(dctx,&fdctx);

	return fdctx.fderr;

}

static inline int slbt_driver_fdlog(const struct slbt_driver_ctx * dctx)

{

	struct slbt_fd_ctx fdctx;

	slbt_get_driver_fdctx(dctx,&fdctx);

	return fdctx.fdlog;

}

static inline struct slbt_exec_ctx_impl * slbt_get_exec_ictx(const struct slbt_exec_ctx * ectx)

{

	uintptr_t addr;

	addr = (uintptr_t)ectx - offsetof(struct slbt_exec_ctx_impl,ctx);

	return (struct slbt_exec_ctx_impl *)addr;

}

static inline int slbt_exec_get_fdwrapper(const struct slbt_exec_ctx * ectx)

{

	struct slbt_exec_ctx_impl * ictx;

	ictx = slbt_get_exec_ictx(ectx);

	return ictx->fdwrapper;

}

static inline void slbt_exec_set_fdwrapper(const struct slbt_exec_ctx * ectx, int fd)

{

	struct slbt_exec_ctx_impl * ictx;

	ictx = slbt_get_exec_ictx(ectx);

	ictx->fdwrapper = fd;

}

static inline void slbt_exec_close_fdwrapper(const struct slbt_exec_ctx * ectx)

{

	struct slbt_exec_ctx_impl * ictx;

	ictx = slbt_get_exec_ictx(ectx);

	close(ictx->fdwrapper);

	ictx->fdwrapper = (-1);

}

#endif