Blame src/driver/slbt_driver_ctx.c

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/*******************************************************************/
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/*  slibtool: a strong libtool implementation, written in C        */
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/*  Copyright (C) 2016--2024  SysDeer Technologies, LLC            */
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/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
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/*******************************************************************/
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <fcntl.h>
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#include <spawn.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#define ARGV_DRIVER
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#include <slibtool/slibtool.h>
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#include "slibtool_version.h"
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#include "slibtool_driver_impl.h"
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#include "slibtool_objlist_impl.h"
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#include "slibtool_errinfo_impl.h"
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#include "slibtool_lconf_impl.h"
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#include "slibtool_mkvars_impl.h"
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#include "slibtool_txtline_impl.h"
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#include "slibtool_stoolie_impl.h"
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#include "slibtool_ar_impl.h"
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#include "argv/argv.h"
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extern char ** environ;
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/* annotation strings */
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static const char cfgexplicit[] = "command-line argument";
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static const char cfglconf[]    = "derived from <libtool>";
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static const char cfgmkvars[]   = "derived from <makefile>";
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/* package info */
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static const struct slbt_source_version slbt_src_version = {
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	SLBT_TAG_VER_MAJOR,
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	SLBT_TAG_VER_MINOR,
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	SLBT_TAG_VER_PATCH,
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	SLIBTOOL_GIT_VERSION
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};
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/* default fd context */
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static const struct slbt_fd_ctx slbt_default_fdctx = {
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	.fdin  = STDIN_FILENO,
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	.fdout = STDOUT_FILENO,
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	.fderr = STDERR_FILENO,
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	.fdcwd = AT_FDCWD,
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	.fddst = AT_FDCWD,
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	.fdlog = (-1),
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};
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static const char aclr_reset   [] = "\x1b[0m";
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static const char aclr_bold    [] = "\x1b[1m";
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static const char aclr_red     [] = "\x1b[31m";
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static const char aclr_green   [] = "\x1b[32m";
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static const char aclr_yellow  [] = "\x1b[33m";
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static const char aclr_blue    [] = "\x1b[34m";
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static const char aclr_magenta [] = "\x1b[35m";
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static const char aclr_cyan    [] = "\x1b[36m";
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static const char aclr_white   [] = "\x1b[37m";
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static void slbt_output_raw_vector(int fderr, char ** argv, char ** envp, bool fcolor)
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{
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	char **		parg;
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	char *		dot;
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	const char *	color;
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	const char *    prev;
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	const char *    prog;
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	(void)envp;
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	if (fcolor)
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		slbt_dprintf(fderr,"%s%s",aclr_bold,aclr_red);
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	slbt_dprintf(fderr,"\n\n\n%s",argv[0]);
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	for (prev=0,prog=0,parg=&argv[1]; *parg; parg++) {
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		dot  = strrchr(*parg,'.');
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		if (!fcolor) {
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			color = "";
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		} else if (!prog && (parg[0][0] != '-')) {
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			color = aclr_magenta;
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			prog  = *parg;
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			prev  = 0;
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		} else if (!strcmp(parg[0],"-o")) {
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			color = aclr_white;
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			prev  = color;
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		} else if (!strcmp(parg[0],"-c")) {
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			color = aclr_green;
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			prev  = color;
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		} else if (!strncmp(parg[0],"-Wl,",4)) {
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			color = aclr_magenta;
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			prev  = 0;
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		} else if (prev == aclr_white) {
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			color = prev;
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			prev  = 0;
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		} else if (dot && !strcmp(dot,".o")) {
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			color = aclr_cyan;
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			prev  = 0;
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		} else if (dot && !strcmp(dot,".lo")) {
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			color = aclr_cyan;
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			prev  = 0;
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		} else if (dot && !strcmp(dot,".la")) {
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			color = aclr_yellow;
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			prev  = 0;
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		} else if (!strcmp(parg[0],"-dlopen")) {
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			color = aclr_yellow;
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			prev  = color;
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		} else if (!strcmp(parg[0],"-dlpreopen")) {
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			color = aclr_yellow;
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			prev  = color;
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		} else if (!strcmp(parg[0],"-objectlist")) {
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			color = aclr_yellow;
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			prev  = color;
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		} else if (*parg[0] == '-') {
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			color = aclr_blue;
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			prev  = color;
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		} else if (prev) {
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			color = prev;
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			prev  = 0;
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		} else {
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			color = aclr_yellow;
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		}
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		slbt_dprintf(fderr," %s%s",color,*parg);
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	}
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	slbt_dprintf(fderr,"%s\n\n",fcolor ? aclr_reset : "");
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}
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slbt_hidden const char * slbt_program_name(const char * path)
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{
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	return argv_program_name(path);
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}
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slbt_hidden int slbt_optv_init(
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	const struct argv_option    options[],
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	const struct argv_option ** optv)
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{
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	return argv_optv_init(options,optv);
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}
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slbt_hidden void slbt_argv_scan(
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	char **				argv,
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	const struct argv_option **	optv,
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	struct argv_ctx *		ctx,
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	struct argv_meta *		meta)
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{
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	argv_scan(argv,optv,ctx,meta);
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}
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slbt_hidden struct argv_meta * slbt_argv_get(
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	char **                         argv,
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	const struct argv_option **     optv,
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	int                             flags,
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	int                             fd)
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{
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	return argv_get(argv,optv,flags,fd);
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}
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slbt_hidden void slbt_argv_free(struct argv_meta * meta)
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{
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	argv_free(meta);
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}
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slbt_hidden void slbt_argv_usage(
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	int		                fd,
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	const char *	                header,
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	const struct	argv_option **  optv,
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	const char *	                mode)
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{
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	argv_usage(fd,header,optv,mode);
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}
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slbt_hidden void slbt_argv_usage_plain(
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	int		                fd,
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	const char *	                header,
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	const struct	argv_option **  optv,
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	const char *	                mode)
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{
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	argv_usage_plain(fd,header,optv,mode);
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}
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slbt_hidden uint64_t slbt_argv_flags(uint64_t flags)
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{
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	uint32_t ret = 0;
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	if (flags & SLBT_DRIVER_VERBOSITY_NONE)
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		ret |= ARGV_VERBOSITY_NONE;
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	if (flags & SLBT_DRIVER_VERBOSITY_ERRORS)
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		ret |= ARGV_VERBOSITY_ERRORS;
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	if (flags & SLBT_DRIVER_VERBOSITY_STATUS)
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		ret |= ARGV_VERBOSITY_STATUS;
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	return ret;
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}
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static int slbt_free_argv_buffer(
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	struct slbt_split_vector * sargv,
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	struct slbt_obj_list *     objlistv)
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{
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	struct slbt_obj_list * objlistp;
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	if (sargv->dargs)
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		free(sargv->dargs);
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	if (sargv->dargv)
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		free(sargv->dargv);
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	if (sargv->targv)
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		free(sargv->targv);
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	if (objlistv) {
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		for (objlistp=objlistv; objlistp->name; objlistp++) {
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			free(objlistp->objv);
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			free(objlistp->addr);
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		}
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		free(objlistv);
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	}
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	return -1;
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}
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slbt_hidden int slbt_driver_usage(
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	int				fdout,
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	const char *			program,
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	const char *			arg,
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	const struct argv_option **	optv,
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	struct argv_meta *		meta,
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	struct slbt_split_vector *	sargv,
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	struct slbt_obj_list *		objlistv,
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	int				noclr)
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{
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	char header[512];
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	snprintf(header,sizeof(header),
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		"Usage: %s [options] <file>...\n" "Options:\n",
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		program);
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	switch (noclr) {
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		case 0:
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			argv_usage(fdout,header,optv,arg);
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			break;
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		default:
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			argv_usage_plain(fdout,header,optv,arg);
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			break;
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	}
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	argv_free(meta);
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	slbt_free_argv_buffer(sargv,objlistv);
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	return SLBT_USAGE;
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}
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static struct slbt_driver_ctx_impl * slbt_driver_ctx_alloc(
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	const struct slbt_fd_ctx *	fdctx,
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	const struct slbt_common_ctx *	cctx,
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	struct slbt_split_vector *	sargv,
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	struct slbt_obj_list *		objlistv,
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	char **				envp,
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	size_t				ndlopen)
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{
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	struct slbt_driver_ctx_alloc *	ictx;
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	size_t				size;
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	int				elements;
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	size =  sizeof(struct slbt_driver_ctx_alloc);
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	if (!(ictx = calloc(1,size))) {
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		slbt_free_argv_buffer(sargv,objlistv);
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		return 0;
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	}
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	if (ndlopen) {
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		if (!(ictx->ctx.dlopenv = calloc(ndlopen+1,sizeof(*ictx->ctx.dlopenv)))) {
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			free(ictx);
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			slbt_free_argv_buffer(sargv,objlistv);
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			return 0;
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		}
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		ictx->ctx.ndlopen = ndlopen;
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	}
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	ictx->ctx.dargs = sargv->dargs;
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	ictx->ctx.dargv = sargv->dargv;
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	ictx->ctx.targv = sargv->targv;
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	ictx->ctx.cargv = sargv->cargv;
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	ictx->ctx.envp  = envp;
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	memcpy(&ictx->ctx.fdctx,fdctx,sizeof(*fdctx));
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	memcpy(&ictx->ctx.cctx,cctx,sizeof(*cctx));
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	elements = sizeof(ictx->ctx.erribuf) / sizeof(*ictx->ctx.erribuf);
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	ictx->ctx.errinfp  = &ictx->ctx.erriptr[0];
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	ictx->ctx.erricap  = &ictx->ctx.erriptr[--elements];
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	ictx->ctx.objlistv = objlistv;
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	ictx->ctx.ctx.errv = ictx->ctx.errinfp;
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	return &ictx->ctx;
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}
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static int slbt_lib_get_driver_ctx_fail(
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	struct slbt_driver_ctx * dctx,
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	struct argv_meta *       meta)
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{
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	if (dctx) {
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		slbt_output_error_vector(dctx);
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		slbt_lib_free_driver_ctx(dctx);
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	} else {
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		argv_free(meta);
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	}
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	return -1;
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}
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static int slbt_driver_fail_incompatible_args(
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	int				fderr,
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	uint64_t			drvflags,
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	struct argv_meta *		meta,
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	const char *			program,
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	const char *			afirst,
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	const char *			asecond)
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{
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	int fcolor;
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	fcolor = (drvflags & SLBT_DRIVER_ANNOTATE_NEVER)
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		? 0 : isatty(fderr);
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	if (drvflags & SLBT_DRIVER_VERBOSITY_ERRORS){
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		if (fcolor)
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			slbt_dprintf(
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				fderr,"%s%s",
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				aclr_bold,aclr_red);
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		slbt_dprintf(fderr,
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			"%s: error: incompatible arguments: "
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			"at the most one of %s and %s "
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			"may be used.\n",
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			program,afirst,asecond);
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		if (fcolor)
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			slbt_dprintf(
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				fderr,"%s",
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				aclr_reset);
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	}
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	return slbt_lib_get_driver_ctx_fail(0,meta);
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}
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static int slbt_driver_parse_tool_argv(const char * tool, char *** tool_argv)
261127
{
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	return slbt_txtline_to_string_vector(tool,tool_argv);
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}
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int slbt_lib_get_driver_ctx(
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	char **				argv,
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	char **				envp,
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	uint64_t			flags,
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	const struct slbt_fd_ctx *	fdctx,
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	struct slbt_driver_ctx **	pctx)
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{
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	struct slbt_split_vector	sargv;
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	struct slbt_obj_list *		objlistv;
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	struct slbt_driver_ctx_impl *	ctx;
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	struct slbt_common_ctx		cctx;
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	struct slbt_error_info**        errinfp;
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	const struct argv_option *	optv[SLBT_OPTV_ELEMENTS];
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	struct argv_meta *		meta;
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	struct argv_entry *		entry;
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	struct argv_entry *		cmdstatic;
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	struct argv_entry *		cmdshared;
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	struct argv_entry *		cmdnostatic;
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	struct argv_entry *		cmdnoshared;
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	const char *			program;
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	const char *			lconf;
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	const char *			mkvars;
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	uint64_t			lflags;
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	size_t                          ndlopen;
a07095
	struct argv_entry **            dlopenv;
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	const char *                    cfgmeta_host;
d29f9c
	const char *                    cfgmeta_ar;
b4058c
	const char *                    cfgmeta_as;
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	const char *                    cfgmeta_nm;
d29f9c
	const char *                    cfgmeta_ranlib;
fc8ee9
	const char *                    cfgmeta_dlltool;
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af48d3
	if (flags & SLBT_DRIVER_MODE_AR) {
11f3c7
		argv_optv_init(slbt_ar_options,optv);
af48d3
af48d3
	} else if (flags & SLBT_DRIVER_MODE_STOOLIE) {
af48d3
		argv_optv_init(slbt_stoolie_options,optv);
af48d3
af48d3
	} else {
11f3c7
		argv_optv_init(slbt_default_options,optv);
af48d3
	}
9ca8c4
358030
	if (!fdctx)
358030
		fdctx = &slbt_default_fdctx;
a82cc2
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	sargv.dargs = 0;
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	sargv.dargv = 0;
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	sargv.targv = 0;
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	sargv.cargv = 0;
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	objlistv    = 0;
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	ndlopen     = 0;
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626342
	switch (slbt_split_argv(argv,flags,&sargv,&objlistv,fdctx->fderr,fdctx->fdcwd)) {
626342
		case SLBT_OK:
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			break;
626342
626342
		case SLBT_USAGE:
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			return SLBT_USAGE;
626342
626342
		default:
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			return slbt_free_argv_buffer(&sargv,objlistv);
626342
	}
56cab3
93f9e4
	if (!(meta = argv_get(
93f9e4
			sargv.targv,optv,
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			slbt_argv_flags(flags),
a82cc2
			fdctx->fderr)))
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		return slbt_free_argv_buffer(&sargv,objlistv);
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	lconf   = 0;
c6ecfc
	mkvars  = 0;
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	program = argv_program_name(argv[0]);
499a71
9ca8c4
	memset(&cctx,0,sizeof(cctx));
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11f3c7
	if (flags & SLBT_DRIVER_MODE_AR)
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		cctx.mode = SLBT_MODE_AR;
11f3c7
4c3fb7
	else if (flags & SLBT_DRIVER_MODE_STOOLIE)
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		cctx.mode = SLBT_MODE_STOOLIE;
4c3fb7
c5ee86
	/* default flags (set at compile time and derived from symlink) */
c5ee86
	cctx.drvflags = flags;
341c87
2bc175
	/* full annotation when annotation is on; */
d4c3e3
	if (!(cctx.drvflags & SLBT_DRIVER_ANNOTATE_NEVER))
d4c3e3
		cctx.drvflags |= SLBT_DRIVER_ANNOTATE_FULL;
2bc175
89f5ab
	/* track incompatible command-line arguments */
89f5ab
	cmdstatic   = 0;
89f5ab
	cmdshared   = 0;
89f5ab
	cmdnostatic = 0;
89f5ab
	cmdnoshared = 0;
89f5ab
771899
	cfgmeta_host   = 0;
d29f9c
	cfgmeta_ar     = 0;
b4058c
	cfgmeta_as     = 0;
b5e104
	cfgmeta_nm     = 0;
d29f9c
	cfgmeta_ranlib = 0;
fc8ee9
	cfgmeta_dlltool = 0;
d29f9c
1379f7
	/* get options */
9ca8c4
	for (entry=meta->entries; entry->fopt || entry->arg; entry++) {
9ca8c4
		if (entry->fopt) {
9ca8c4
			switch (entry->tag) {
9ca8c4
				case TAG_HELP:
949677
				case TAG_HELP_ALL:
5b1d0e
					switch (cctx.mode) {
5b1d0e
						case SLBT_MODE_INSTALL:
5b1d0e
						case SLBT_MODE_UNINSTALL:
11f3c7
						case SLBT_MODE_AR:
4c3fb7
						case SLBT_MODE_STOOLIE:
5b1d0e
							break;
5b1d0e
5b1d0e
					default:
5b1d0e
						return (flags & SLBT_DRIVER_VERBOSITY_USAGE)
5b1d0e
							? slbt_driver_usage(
5b1d0e
								fdctx->fdout,program,
5b1d0e
								entry->arg,optv,
a126a7
								meta,&sargv,objlistv,
5b1d0e
								(cctx.drvflags & SLBT_DRIVER_ANNOTATE_NEVER))
5b1d0e
							: SLBT_USAGE;
5b1d0e
					}
5b1d0e
5b1d0e
					break;
9ca8c4
9ca8c4
				case TAG_VERSION:
9ca8c4
					cctx.drvflags |= SLBT_DRIVER_VERSION;
9ca8c4
					break;
667ce2
499a71
				case TAG_HEURISTICS:
499a71
					cctx.drvflags |= SLBT_DRIVER_HEURISTICS;
499a71
					lconf = entry->arg;
499a71
					break;
499a71
c6ecfc
				case TAG_MKVARS:
c6ecfc
					mkvars = entry->arg;
c6ecfc
					break;
c6ecfc
667ce2
				case TAG_MODE:
667ce2
					if (!strcmp("clean",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_CLEAN;
667ce2
667ce2
					else if (!strcmp("compile",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_COMPILE;
667ce2
667ce2
					else if (!strcmp("execute",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_EXECUTE;
667ce2
667ce2
					else if (!strcmp("finish",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_FINISH;
667ce2
667ce2
					else if (!strcmp("install",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_INSTALL;
667ce2
667ce2
					else if (!strcmp("link",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_LINK;
667ce2
667ce2
					else if (!strcmp("uninstall",entry->arg))
667ce2
						cctx.mode = SLBT_MODE_UNINSTALL;
11f3c7
11f3c7
					else if (!strcmp("ar",entry->arg))
11f3c7
						cctx.mode = SLBT_MODE_AR;
4c3fb7
4c3fb7
					else if (!strcmp("stoolie",entry->arg))
4c3fb7
						cctx.mode = SLBT_MODE_STOOLIE;
4c3fb7
4c3fb7
					else if (!strcmp("slibtoolize",entry->arg))
4c3fb7
						cctx.mode = SLBT_MODE_STOOLIE;
667ce2
					break;
071d14
b9575f
				case TAG_FINISH:
b9575f
					cctx.mode = SLBT_MODE_FINISH;
b9575f
					break;
b9575f
071d14
				case TAG_DRY_RUN:
071d14
					cctx.drvflags |= SLBT_DRIVER_DRY_RUN;
071d14
					break;
53f4ec
53f4ec
				case TAG_TAG:
53f4ec
					if (!strcmp("CC",entry->arg))
53f4ec
						cctx.tag = SLBT_TAG_CC;
53f4ec
53f4ec
					else if (!strcmp("CXX",entry->arg))
53f4ec
						cctx.tag = SLBT_TAG_CXX;
62b4bb
6e6b0f
					else if (!strcmp("FC",entry->arg))
6e6b0f
						cctx.tag = SLBT_TAG_FC;
6e6b0f
1bd7a3
					else if (!strcmp("F77",entry->arg))
1bd7a3
						cctx.tag = SLBT_TAG_F77;
1bd7a3
fb5e7f
					else if (!strcmp("ASM",entry->arg))
fb5e7f
						cctx.tag = SLBT_TAG_ASM;
fb5e7f
62b4bb
					else if (!strcmp("NASM",entry->arg))
62b4bb
						cctx.tag = SLBT_TAG_NASM;
0e609b
4127b5
					else if (!strcmp("RC",entry->arg))
4127b5
						cctx.tag = SLBT_TAG_RC;
4127b5
0e609b
					else if (!strcmp("disable-static",entry->arg))
89f5ab
						cmdnostatic = entry;
f5fa4c
f5fa4c
					else if (!strcmp("disable-shared",entry->arg))
89f5ab
						cmdnoshared = entry;
53f4ec
					break;
173b54
c57816
				case TAG_INFO:
c57816
					cctx.drvflags |= SLBT_DRIVER_INFO;
173b54
					break;
173b54
c1f216
				case TAG_CONFIG:
c1f216
					cctx.drvflags |= SLBT_DRIVER_OUTPUT_CONFIG;
c1f216
					break;
c1f216
6f4115
				case TAG_DUMPMACHINE:
6f4115
					cctx.drvflags |= SLBT_DRIVER_OUTPUT_MACHINE;
6f4115
					break;
6f4115
805666
				case TAG_PRINT_AUX_DIR:
805666
					cctx.drvflags |= SLBT_DRIVER_OUTPUT_AUX_DIR;
805666
					break;
805666
805666
				case TAG_PRINT_M4_DIR:
805666
					cctx.drvflags |= SLBT_DRIVER_OUTPUT_M4_DIR;
805666
					break;
805666
fea1b8
				case TAG_DEBUG:
fea1b8
					cctx.drvflags |= SLBT_DRIVER_DEBUG;
fea1b8
					break;
d03fbc
d03fbc
				case TAG_FEATURES:
d03fbc
					cctx.drvflags |= SLBT_DRIVER_FEATURES;
d03fbc
					break;
6376f0
0a9bff
				case TAG_LEGABITS:
0a9bff
					if (!entry->arg)
0a9bff
						cctx.drvflags |= SLBT_DRIVER_LEGABITS;
0a9bff
0a9bff
					else if (!strcmp("enabled",entry->arg))
0a9bff
						cctx.drvflags |= SLBT_DRIVER_LEGABITS;
0a9bff
0a9bff
					else
0a9bff
						cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_LEGABITS;
0a9bff
614d85
					break;
614d85
34988f
				case TAG_CCWRAP:
34988f
					cctx.ccwrap = entry->arg;
34988f
					break;
34988f
fbda3a
				case TAG_IMPLIB:
fbda3a
					if (!strcmp("idata",entry->arg)) {
fbda3a
						cctx.drvflags |= SLBT_DRIVER_IMPLIB_IDATA;
fbda3a
						cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_IMPLIB_DSOMETA;
fbda3a
fbda3a
					} else if (!strcmp("never",entry->arg)) {
fbda3a
						cctx.drvflags |= SLBT_DRIVER_IMPLIB_DSOMETA;
fbda3a
						cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_IMPLIB_IDATA;
fbda3a
					}
fbda3a
fbda3a
					break;
fbda3a
6376f0
				case TAG_WARNINGS:
6376f0
					if (!strcmp("all",entry->arg))
1142bf
						cctx.warnings = SLBT_WARNING_LEVEL_ALL;
6376f0
6376f0
					else if (!strcmp("error",entry->arg))
1142bf
						cctx.warnings = SLBT_WARNING_LEVEL_ERROR;
6376f0
6376f0
					else if (!strcmp("none",entry->arg))
1142bf
						cctx.warnings = SLBT_WARNING_LEVEL_NONE;
6376f0
					break;
40fabb
2bc175
				case TAG_ANNOTATE:
2bc175
					if (!strcmp("always",entry->arg)) {
2bc175
						cctx.drvflags |= SLBT_DRIVER_ANNOTATE_ALWAYS;
2bc175
						cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_ANNOTATE_NEVER;
2bc175
2bc175
					} else if (!strcmp("never",entry->arg)) {
2bc175
						cctx.drvflags |= SLBT_DRIVER_ANNOTATE_NEVER;
2bc175
						cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_ANNOTATE_ALWAYS;
2bc175
2bc175
					} else if (!strcmp("minimal",entry->arg)) {
2bc175
						cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_ANNOTATE_FULL;
2bc175
2bc175
					} else if (!strcmp("full",entry->arg)) {
2bc175
						cctx.drvflags |= SLBT_DRIVER_ANNOTATE_FULL;
2bc175
					}
2bc175
2bc175
					break;
2bc175
40fabb
				case TAG_DEPS:
40fabb
					cctx.drvflags |= SLBT_DRIVER_DEPS;
40fabb
					break;
40fabb
398419
				case TAG_SILENT:
398419
					cctx.drvflags |= SLBT_DRIVER_SILENT;
398419
					break;
25956b
25956b
				case TAG_VERBOSE:
25956b
					cctx.drvflags |= SLBT_DRIVER_VERBOSE;
25956b
					break;
b83b64
db67ad
				case TAG_HOST:
db67ad
					cctx.host.host = entry->arg;
771899
					cfgmeta_host   = cfgexplicit;
db67ad
					break;
db67ad
db67ad
				case TAG_FLAVOR:
db67ad
					cctx.host.flavor = entry->arg;
db67ad
					break;
db67ad
db67ad
				case TAG_AR:
db67ad
					cctx.host.ar = entry->arg;
d29f9c
					cfgmeta_ar   = cfgexplicit;
db67ad
					break;
db67ad
6bc170
				case TAG_AS:
6bc170
					cctx.host.as = entry->arg;
b4058c
					cfgmeta_as   = cfgexplicit;
6bc170
					break;
6bc170
b5e104
				case TAG_NM:
b5e104
					cctx.host.nm = entry->arg;
b5e104
					cfgmeta_nm   = cfgexplicit;
b5e104
					break;
b5e104
db67ad
				case TAG_RANLIB:
db67ad
					cctx.host.ranlib = entry->arg;
d29f9c
					cfgmeta_ranlib   = cfgexplicit;
db67ad
					break;
db67ad
9a02e2
				case TAG_WINDRES:
9a02e2
					cctx.host.windres = entry->arg;
9a02e2
					break;
9a02e2
db67ad
				case TAG_DLLTOOL:
db67ad
					cctx.host.dlltool = entry->arg;
fc8ee9
					cfgmeta_dlltool   = cfgexplicit;
db67ad
					break;
db67ad
fbda3a
				case TAG_MDSO:
fbda3a
					cctx.host.mdso = entry->arg;
fbda3a
					break;
fbda3a
b83b64
				case TAG_OUTPUT:
b83b64
					cctx.output = entry->arg;
b83b64
					break;
4f1b20
bfa8ca
				case TAG_SHREXT:
bfa8ca
					cctx.shrext = entry->arg;
bfa8ca
					break;
bfa8ca
9c664d
				case TAG_RPATH:
9c664d
					cctx.rpath = entry->arg;
9c664d
					break;
9c664d
17e18a
				case TAG_SYSROOT:
17e18a
					cctx.sysroot = entry->arg;
17e18a
					break;
17e18a
9aa1f4
				case TAG_RELEASE:
9aa1f4
					cctx.release = entry->arg;
9aa1f4
					break;
9aa1f4
05ca7e
				case TAG_DLOPEN:
9da202
				case TAG_DLPREOPEN:
9da202
					ndlopen++;
9da202
					break;
9da202
56f236
				case TAG_STATIC_LIBTOOL_LIBS:
56f236
					cctx.drvflags |= SLBT_DRIVER_STATIC_LIBTOOL_LIBS;
56f236
					break;
56f236
916050
				case TAG_EXPORT_DYNAMIC:
916050
					cctx.drvflags |= SLBT_DRIVER_EXPORT_DYNAMIC;
916050
					break;
916050
21bb4b
				case TAG_EXPSYMS_FILE:
161c3d
					cctx.expsyms = entry->arg;
873ecb
					break;
873ecb
21bb4b
				case TAG_EXPSYMS_REGEX:
73ca78
					cctx.regex = entry->arg;
73ca78
					break;
73ca78
5a9161
				case TAG_VERSION_INFO:
5a9161
					cctx.verinfo.verinfo = entry->arg;
5a9161
					break;
5a9161
cd3d41
				case TAG_VERSION_NUMBER:
cd3d41
					cctx.verinfo.vernumber = entry->arg;
cd3d41
					break;
cd3d41
4df790
				case TAG_TARGET:
4df790
					cctx.target = entry->arg;
4df790
					break;
4df790
4f1b20
				case TAG_PREFER_PIC:
4f1b20
					cctx.drvflags |= SLBT_DRIVER_PRO_PIC;
4f1b20
					break;
4f1b20
4f1b20
				case TAG_PREFER_NON_PIC:
4f1b20
					cctx.drvflags |= SLBT_DRIVER_ANTI_PIC;
4f1b20
					break;
9c25c7
93b62c
				case TAG_NO_UNDEFINED:
93b62c
					cctx.drvflags |= SLBT_DRIVER_NO_UNDEFINED;
93b62c
					break;
93b62c
a943fc
				case TAG_MODULE:
a943fc
					cctx.drvflags |= SLBT_DRIVER_MODULE;
a943fc
					break;
a943fc
f7645c
				case TAG_ALL_STATIC:
f7645c
					cctx.drvflags |= SLBT_DRIVER_ALL_STATIC;
f7645c
					break;
f7645c
0e609b
				case TAG_DISABLE_STATIC:
89f5ab
					cmdnostatic = entry;
0e609b
					break;
0e609b
f5fa4c
				case TAG_DISABLE_SHARED:
89f5ab
					cmdnoshared = entry;
f5fa4c
					break;
f5fa4c
68f313
				case TAG_AVOID_VERSION:
68f313
					cctx.drvflags |= SLBT_DRIVER_AVOID_VERSION;
68f313
					break;
68f313
9c25c7
				case TAG_SHARED:
89f5ab
					cmdshared = entry;
b48cb7
					cctx.drvflags |= SLBT_DRIVER_PREFER_SHARED;
9c25c7
					break;
9c25c7
9c25c7
				case TAG_STATIC:
89f5ab
					cmdstatic = entry;
b48cb7
					cctx.drvflags |= SLBT_DRIVER_PREFER_STATIC;
9c25c7
					break;
5e0269
5e0269
				case TAG_WEAK:
5e0269
					break;
9ca8c4
			}
1379f7
		}
9ca8c4
	}
9ca8c4
c5ee86
	/* enable both shared and static targets by default as appropriate */
c5ee86
	if (!(cctx.drvflags & SLBT_DRIVER_HEURISTICS)) {
c5ee86
		if (!cmdnoshared)
c5ee86
			cctx.drvflags |= SLBT_DRIVER_SHARED;
c5ee86
c5ee86
		if (!cmdnostatic)
c5ee86
			cctx.drvflags |= SLBT_DRIVER_STATIC;
c5ee86
	}
c5ee86
89f5ab
	/* incompatible command-line arguments? */
89f5ab
	if (cmdstatic && cmdshared)
89f5ab
		return slbt_driver_fail_incompatible_args(
89f5ab
			fdctx->fderr,
89f5ab
			cctx.drvflags,
89f5ab
			meta,program,
89f5ab
			"-static",
89f5ab
			"-shared");
89f5ab
89f5ab
	if (cmdstatic && cmdnostatic)
89f5ab
		return slbt_driver_fail_incompatible_args(
89f5ab
			fdctx->fderr,
89f5ab
			cctx.drvflags,
89f5ab
			meta,program,
89f5ab
			"-static",
89f5ab
			"--disable-static");
89f5ab
89f5ab
	if (cmdshared && cmdnoshared)
89f5ab
		return slbt_driver_fail_incompatible_args(
89f5ab
			fdctx->fderr,
89f5ab
			cctx.drvflags,
89f5ab
			meta,program,
89f5ab
			"-shared",
89f5ab
			"--disable-shared");
89f5ab
89f5ab
	if (cmdnostatic && cmdnoshared)
89f5ab
		return slbt_driver_fail_incompatible_args(
89f5ab
			fdctx->fderr,
89f5ab
			cctx.drvflags,
89f5ab
			meta,program,
89f5ab
			"--disable-static",
89f5ab
			"--disable-shared");
89f5ab
736841
	if (lconf && mkvars)
736841
		return slbt_driver_fail_incompatible_args(
736841
			fdctx->fderr,
736841
			cctx.drvflags,
736841
			meta,program,
736841
			"--heuristics=<cfgfile>",
736841
			"--mkvars=<makefile>");
736841
89f5ab
	/* -static? */
89f5ab
	if (cmdstatic) {
89f5ab
		cctx.drvflags |= SLBT_DRIVER_STATIC;
89f5ab
		cctx.drvflags |= SLBT_DRIVER_DISABLE_SHARED;
89f5ab
		cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_DISABLE_STATIC;
89f5ab
	}
89f5ab
89f5ab
	/* shared? */
89f5ab
	if (cmdshared) {
89f5ab
		cctx.drvflags |= SLBT_DRIVER_SHARED;
89f5ab
		cctx.drvflags |= SLBT_DRIVER_DISABLE_STATIC;
89f5ab
		cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_DISABLE_SHARED;
89f5ab
	}
89f5ab
005b65
	/* -disable-static? */
89f5ab
	if (cmdnostatic) {
89f5ab
		cctx.drvflags |= SLBT_DRIVER_DISABLE_STATIC;
005b65
		cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_STATIC;
89f5ab
	}
005b65
005b65
	/* -disable-shared? */
89f5ab
	if (cmdnoshared) {
89f5ab
		cctx.drvflags |= SLBT_DRIVER_DISABLE_SHARED;
005b65
		cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_SHARED;
89f5ab
	}
005b65
caf7d0
	/* debug: raw argument vector */
caf7d0
	if (cctx.drvflags & SLBT_DRIVER_DEBUG)
d4c3e3
		slbt_output_raw_vector(
d4c3e3
			fdctx->fderr,argv,envp,
d4c3e3
			(cctx.drvflags & SLBT_DRIVER_ANNOTATE_NEVER)
d4c3e3
				? 0 : isatty(fdctx->fderr));
caf7d0
9b5eec
	/* -o in install mode means USER */
9b5eec
	if ((cctx.mode == SLBT_MODE_INSTALL) && cctx.output) {
9b5eec
		cctx.user   = cctx.output;
9b5eec
		cctx.output = 0;
9b5eec
	}
9b5eec
c1f216
	/* config mode */
c1f216
	if (cctx.drvflags & SLBT_DRIVER_OUTPUT_CONFIG)
c1f216
		cctx.mode = SLBT_MODE_CONFIG;
c1f216
3c1679
	/* info mode */
c57816
	if (cctx.drvflags & (SLBT_DRIVER_INFO | SLBT_DRIVER_FEATURES))
3c1679
		cctx.mode = SLBT_MODE_INFO;
3c1679
a9abe3
	/* --tag */
a9abe3
	if (cctx.mode == SLBT_MODE_COMPILE)
a9abe3
		if (cctx.tag == SLBT_TAG_UNKNOWN)
a9abe3
			cctx.tag = SLBT_TAG_CC;
a9abe3
e2b582
	/* dlopen/dlpreopen: first vector member is a virtual archive */
e2b582
	if (ndlopen)
e2b582
		ndlopen++;
e2b582
c778cc
	/* driver context */
9da202
	if (!(ctx = slbt_driver_ctx_alloc(fdctx,&cctx,&sargv,objlistv,envp,ndlopen)))
ea4137
		return slbt_lib_get_driver_ctx_fail(0,meta);
38b351
38b351
	/* ctx */
38b351
	ctx->ctx.program	= program;
38b351
	ctx->ctx.cctx		= &ctx->cctx;
38b351
38b351
	ctx->cctx.targv		= sargv.targv;
38b351
	ctx->cctx.cargv		= sargv.cargv;
53c651
	ctx->meta               = meta;
9ca8c4
c6ecfc
	/* mkvars */
c6ecfc
	if (mkvars) {
c6ecfc
		if (slbt_get_mkvars_flags(&ctx->ctx,mkvars,&lflags) < 0)
c6ecfc
			return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
c6ecfc
c6ecfc
		if (ctx->cctx.host.host && !cfgmeta_host)
c6ecfc
			cfgmeta_host = cfgmkvars;
c6ecfc
c6ecfc
		if (ctx->cctx.host.ar && !cfgmeta_ar)
c6ecfc
			cfgmeta_ar = cfgmkvars;
c6ecfc
c6ecfc
		if (ctx->cctx.host.as && !cfgmeta_as)
c6ecfc
			cfgmeta_as = cfgmkvars;
c6ecfc
c6ecfc
		if (ctx->cctx.host.nm && !cfgmeta_nm)
c6ecfc
			cfgmeta_nm = cfgmkvars;
c6ecfc
c6ecfc
		if (ctx->cctx.host.ranlib && !cfgmeta_ranlib)
c6ecfc
			cfgmeta_ranlib = cfgmkvars;
c6ecfc
c6ecfc
		if (ctx->cctx.host.dlltool && !cfgmeta_dlltool)
c6ecfc
			cfgmeta_dlltool = cfgmkvars;
c6ecfc
c6ecfc
		if (cmdnoshared)
c6ecfc
			lflags &= ~(uint64_t)SLBT_DRIVER_DISABLE_STATIC;
c6ecfc
c6ecfc
		if (cmdnostatic)
c6ecfc
			if (lflags & SLBT_DRIVER_DISABLE_SHARED)
c6ecfc
				cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_DISABLE_STATIC;
c6ecfc
c6ecfc
		cctx.drvflags |= lflags;
c6ecfc
c6ecfc
		/* -disable-static? */
c6ecfc
		if (cctx.drvflags & SLBT_DRIVER_DISABLE_STATIC)
c6ecfc
			cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_STATIC;
c6ecfc
c6ecfc
		/* -disable-shared? */
c6ecfc
		if (cctx.drvflags & SLBT_DRIVER_DISABLE_SHARED)
c6ecfc
			cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_SHARED;
c6ecfc
c6ecfc
		ctx->cctx.drvflags = cctx.drvflags;
c6ecfc
	}
c6ecfc
499a71
	/* heuristics */
036a9e
	if (mkvars)
036a9e
		cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_HEURISTICS;
036a9e
499a71
	if (cctx.drvflags & SLBT_DRIVER_HEURISTICS) {
036a9e
		if (slbt_get_lconf_flags(&ctx->ctx,lconf,&lflags,false) < 0)
ea4137
			return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
036a9e
	} else {
036a9e
		switch (cctx.mode) {
036a9e
			case SLBT_MODE_UNKNOWN:
036a9e
			case SLBT_MODE_STOOLIE:
036a9e
				break;
036a9e
036a9e
			case SLBT_MODE_CONFIG:
036a9e
				lconf = mkvars ? 0 : "slibtool.cfg";
036a9e
				break;
036a9e
036a9e
			default:
036a9e
				lconf = "slibtool.cfg";
036a9e
				break;
036a9e
		}
036a9e
036a9e
		if (lconf && (errinfp = ctx->errinfp))
036a9e
			if (slbt_get_lconf_flags(&ctx->ctx,lconf,&lflags,true) < 0)
036a9e
				for (ctx->errinfp=errinfp; *errinfp; errinfp++)
036a9e
					*errinfp = 0;
499a71
036a9e
		if (ctx->lconfctx)
036a9e
			cctx.drvflags |= SLBT_DRIVER_HEURISTICS;
036a9e
	}
036a9e
036a9e
	if (cctx.drvflags & SLBT_DRIVER_HEURISTICS) {
771899
		if (ctx->cctx.host.host && !cfgmeta_host)
771899
			cfgmeta_host = cfglconf;
771899
d29f9c
		if (ctx->cctx.host.ar && !cfgmeta_ar)
d29f9c
			cfgmeta_ar = cfglconf;
d29f9c
b4058c
		if (ctx->cctx.host.as && !cfgmeta_as)
b4058c
			cfgmeta_as = cfglconf;
b4058c
b5e104
		if (ctx->cctx.host.nm && !cfgmeta_nm)
b5e104
			cfgmeta_nm = cfglconf;
b5e104
d29f9c
		if (ctx->cctx.host.ranlib && !cfgmeta_ranlib)
d29f9c
			cfgmeta_ranlib = cfglconf;
d29f9c
fc8ee9
		if (ctx->cctx.host.dlltool && !cfgmeta_dlltool)
fc8ee9
			cfgmeta_dlltool = cfglconf;
fc8ee9
9582b2
		if (cmdnoshared)
9582b2
			lflags &= ~(uint64_t)SLBT_DRIVER_DISABLE_STATIC;
9582b2
c9788a
		if (cmdnostatic)
c9788a
			if (lflags & SLBT_DRIVER_DISABLE_SHARED)
c9788a
				cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_DISABLE_STATIC;
c9788a
499a71
		cctx.drvflags |= lflags;
89f5ab
499a71
		/* -disable-static? */
499a71
		if (cctx.drvflags & SLBT_DRIVER_DISABLE_STATIC)
499a71
			cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_STATIC;
499a71
499a71
		/* -disable-shared? */
499a71
		if (cctx.drvflags & SLBT_DRIVER_DISABLE_SHARED)
499a71
			cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_SHARED;
499a71
499a71
		ctx->cctx.drvflags = cctx.drvflags;
499a71
	}
499a71
46ea99
	/* host params */
11e277
	if (slbt_init_host_params(
11e277
			&ctx->ctx,
11e277
			&ctx->cctx,
11e277
			&ctx->host,
11e277
			&ctx->cctx.host,
d29f9c
			&ctx->cctx.cfgmeta,
771899
			cfgmeta_host,
d29f9c
			cfgmeta_ar,
b4058c
			cfgmeta_as,
b5e104
			cfgmeta_nm,
fc8ee9
			cfgmeta_ranlib,
fc8ee9
			cfgmeta_dlltool))
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
46ea99
261127
	/* host tool arguments */
261127
	if (slbt_driver_parse_tool_argv(ctx->cctx.host.ar,&ctx->host.ar_argv) < 0)
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
261127
b5e104
	if (slbt_driver_parse_tool_argv(ctx->cctx.host.nm,&ctx->host.nm_argv) < 0)
b5e104
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
b5e104
261127
	if (slbt_driver_parse_tool_argv(ctx->cctx.host.ranlib,&ctx->host.ranlib_argv) < 0)
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
261127
ba9228
	if (slbt_driver_parse_tool_argv(ctx->cctx.host.as,&ctx->host.as_argv) < 0)
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
ba9228
94868f
	if (slbt_driver_parse_tool_argv(ctx->cctx.host.dlltool,&ctx->host.dlltool_argv) < 0)
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
94868f
94868f
	if (slbt_driver_parse_tool_argv(ctx->cctx.host.mdso,&ctx->host.mdso_argv) < 0)
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
94868f
11e277
	/* flavor settings */
11e277
	slbt_init_flavor_settings(
11e277
		&ctx->cctx,0,
11e277
		&ctx->cctx.settings);
11e277
af7db9
	/* ldpath */
38b351
	if (slbt_init_ldrpath(&ctx->cctx,&ctx->cctx.host))
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
af7db9
5a9161
	/* version info */
38b351
	if (slbt_init_version_info(ctx,&ctx->cctx.verinfo))
ea4137
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
5a9161
f8e27e
	/* link params */
f8e27e
	if (cctx.mode == SLBT_MODE_LINK)
38b351
		if (slbt_init_link_params(ctx))
ea4137
			return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
f8e27e
9da202
	/* dlpreopen */
9da202
	if ((dlopenv = ctx->dlopenv)) {
9da202
		for (entry=meta->entries; entry->fopt || entry->arg; entry++) {
9da202
			if (entry->fopt) {
9da202
				switch (entry->tag) {
e47cd7
					case TAG_DLOPEN:
a07095
						if (!strcmp(entry->arg,"self")) {
a07095
							ctx->cctx.drvflags |= SLBT_DRIVER_DLOPEN_FORCE;
a07095
a07095
						} else if (!strcmp(entry->arg,"force")) {
a07095
							ctx->cctx.drvflags |= SLBT_DRIVER_DLOPEN_FORCE;
a07095
a07095
						} else {
a07095
							*dlopenv++ = entry;
a07095
						}
a07095
e47cd7
						break;
e47cd7
9da202
					case TAG_DLPREOPEN:
8ef9e1
						if (!strcmp(entry->arg,"self")) {
8ef9e1
							ctx->cctx.drvflags |= SLBT_DRIVER_DLPREOPEN_SELF;
8ef9e1
8ef9e1
						} else if (!strcmp(entry->arg,"force")) {
8ef9e1
							ctx->cctx.drvflags |= SLBT_DRIVER_DLPREOPEN_FORCE;
8ef9e1
8ef9e1
						} else {
a07095
							*dlopenv++ = entry;
8ef9e1
						}
9da202
a07095
						break;
a07095
9da202
					default:
9da202
						break;
9da202
				}
9da202
			}
9da202
		}
9da202
	}
9da202
8ef9e1
	/* -dlopen & -dlpreopen semantic validation */
8ef9e1
	uint64_t fmask;
8ef9e1
8ef9e1
	fmask  = SLBT_DRIVER_DLOPEN_SELF  | SLBT_DRIVER_DLPREOPEN_SELF;
8ef9e1
	fmask |= SLBT_DRIVER_DLOPEN_FORCE | SLBT_DRIVER_DLPREOPEN_FORCE;
8ef9e1
8ef9e1
	if (ctx->cctx.libname && (cctx.drvflags & fmask)) {
8ef9e1
		slbt_dprintf(ctx->fdctx.fderr,
8ef9e1
			"%s: error: -dlopen/-dlpreopen: "
8ef9e1
			"the special 'self' and 'force' arguments "
8ef9e1
			"may only be used when linking a program.\n",
8ef9e1
			ctx->ctx.program);
8ef9e1
8ef9e1
		return slbt_lib_get_driver_ctx_fail(&ctx->ctx,0);
8ef9e1
	}
8ef9e1
9da202
	/* all ready */
9ca8c4
	*pctx = &ctx->ctx;
38b351
38b351
	return 0;
9ca8c4
}
9ca8c4
8f60d4
ea4137
static void slbt_lib_free_driver_ctx_impl(struct slbt_driver_ctx_alloc * ictx)
9ca8c4
{
6beda1
	struct slbt_error_info ** perr;
6beda1
	struct slbt_error_info *  erri;
a126a7
	struct slbt_obj_list *    objlistp;
6beda1
6beda1
	for (perr=ictx->ctx.errinfp; *perr; perr++) {
6beda1
		erri = *perr;
6beda1
6beda1
		if (erri->eany && (erri->esyscode == ENOENT))
6beda1
			free(erri->eany);
6beda1
	}
6beda1
f8e27e
	if (ictx->ctx.libname)
f8e27e
		free(ictx->ctx.libname);
f8e27e
9da202
	if (ictx->ctx.dlopenv)
9da202
		free(ictx->ctx.dlopenv);
9da202
6ab3f1
	if (ictx->ctx.lconf.addr)
6ab3f1
		munmap(
6ab3f1
			ictx->ctx.lconf.addr,
6ab3f1
			ictx->ctx.lconf.size);
6ab3f1
a2aa78
	if (ictx->ctx.lconfctx)
a2aa78
		slbt_lib_free_txtfile_ctx(ictx->ctx.lconfctx);
a2aa78
c6ecfc
	if (ictx->ctx.mkvarsctx)
c6ecfc
		slbt_lib_free_txtfile_ctx(ictx->ctx.mkvarsctx);
c6ecfc
a126a7
	for (objlistp=ictx->ctx.objlistv; objlistp->name; objlistp++) {
a126a7
		free(objlistp->objv);
a126a7
		free(objlistp->addr);
a126a7
	}
a126a7
a126a7
	free(ictx->ctx.objlistv);
a126a7
0cbb20
	free(ictx->ctx.dargs);
0cbb20
	free(ictx->ctx.dargv);
0cbb20
	free(ictx->ctx.targv);
0cbb20
52556c
	slbt_free_host_params(&ictx->ctx.host);
77b97b
	slbt_free_host_params(&ictx->ctx.ahost);
53c651
	argv_free(ictx->ctx.meta);
a126a7
9ca8c4
	free(ictx);
9ca8c4
}
9ca8c4
8f60d4
ea4137
void slbt_lib_free_driver_ctx(struct slbt_driver_ctx * ctx)
9ca8c4
{
9ca8c4
	struct slbt_driver_ctx_alloc *	ictx;
9ca8c4
	uintptr_t			addr;
9ca8c4
9ca8c4
	if (ctx) {
a13661
		addr = (uintptr_t)ctx - offsetof(struct slbt_driver_ctx_impl,ctx);
a13661
		addr = addr - offsetof(struct slbt_driver_ctx_alloc,ctx);
9ca8c4
		ictx = (struct slbt_driver_ctx_alloc *)addr;
ea4137
		slbt_lib_free_driver_ctx_impl(ictx);
9ca8c4
	}
9ca8c4
}
a313a4
1f2c01
f0270a
const struct slbt_source_version * slbt_api_source_version(void)
9f24d2
{
9f24d2
	return &slbt_src_version;
9f24d2
}
a82cc2
8f60d4
ea4137
int slbt_lib_get_driver_fdctx(
a82cc2
	const struct slbt_driver_ctx *	dctx,
a82cc2
	struct slbt_fd_ctx *		fdctx)
a82cc2
{
a82cc2
	struct slbt_driver_ctx_impl *	ictx;
a82cc2
a82cc2
	ictx = slbt_get_driver_ictx(dctx);
a82cc2
a82cc2
	fdctx->fdin  = ictx->fdctx.fdin;
a82cc2
	fdctx->fdout = ictx->fdctx.fdout;
a82cc2
	fdctx->fderr = ictx->fdctx.fderr;
a82cc2
	fdctx->fdlog = ictx->fdctx.fdlog;
ca72f5
	fdctx->fdcwd = ictx->fdctx.fdcwd;
ca72f5
	fdctx->fddst = ictx->fdctx.fddst;
a82cc2
a82cc2
	return 0;
a82cc2
}
a82cc2
8f60d4
ea4137
int slbt_lib_set_driver_fdctx(
a82cc2
	struct slbt_driver_ctx *	dctx,
a82cc2
	const struct slbt_fd_ctx *	fdctx)
a82cc2
{
a82cc2
	struct slbt_driver_ctx_impl *	ictx;
a82cc2
a82cc2
	ictx = slbt_get_driver_ictx(dctx);
a82cc2
a82cc2
	ictx->fdctx.fdin  = fdctx->fdin;
a82cc2
	ictx->fdctx.fdout = fdctx->fdout;
a82cc2
	ictx->fdctx.fderr = fdctx->fderr;
a82cc2
	ictx->fdctx.fdlog = fdctx->fdlog;
ca72f5
	ictx->fdctx.fdcwd = fdctx->fdcwd;
ca72f5
	ictx->fdctx.fddst = fdctx->fddst;
a82cc2
a82cc2
	return 0;
a82cc2
}