diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index e413602..c12ce0e 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -124,64 +124,64 @@ struct slbt_source_version {
 };
 
 struct slbt_fd_ctx {
-	int	fdin;
-	int	fdout;
-	int	fderr;
-	int	fdlog;
-	int	fdcwd;
-	int	fddst;
+	int		fdin;
+	int		fdout;
+	int		fderr;
+	int		fdlog;
+	int		fdcwd;
+	int		fddst;
 };
 
 struct slbt_exec_ctx {
-	char *	program;
-	char *	compiler;
-	char **	cargv;
-	char **	xargv;
-	char **	argv;
-	char **	envp;
-	char ** altv;
-	char ** dpic;
-	char ** fpic;
-	char ** cass;
-	char ** noundef;
-	char ** soname;
-	char ** lsoname;
-	char ** symdefs;
-	char ** symfile;
-	char ** lout[2];
-	char ** mout[2];
-	char ** rpath[2];
-	char ** sentinel;
-	char *	csrc;
-	int	ldirdepth;
-	char *	ldirname;
-	char *	lbasename;
-	char *	lobjname;
-	char *	aobjname;
-	char *	ltobjname;
-	char *	arfilename;
-	char *	lafilename;
-	char *	laifilename;
-	char *	dsofilename;
-	char *	relfilename;
-	char *	dsorellnkname;
-	char *	deffilename;
-	char *	rpathfilename;
-	char *	dimpfilename;
-	char *	pimpfilename;
-	char *	vimpfilename;
-	char *	exefilename;
-	char *	sonameprefix;
-	pid_t	pid;
-	int	exitcode;
+	char *		program;
+	char *		compiler;
+	char **		cargv;
+	char **		xargv;
+	char **		argv;
+	char **		envp;
+	char ** 	altv;
+	char ** 	dpic;
+	char ** 	fpic;
+	char ** 	cass;
+	char ** 	noundef;
+	char ** 	soname;
+	char ** 	lsoname;
+	char ** 	symdefs;
+	char ** 	symfile;
+	char ** 	lout[2];
+	char ** 	mout[2];
+	char ** 	rpath[2];
+	char ** 	sentinel;
+	char *		csrc;
+	int		ldirdepth;
+	char *		ldirname;
+	char *		lbasename;
+	char *		lobjname;
+	char *		aobjname;
+	char *		ltobjname;
+	char *		arfilename;
+	char *		lafilename;
+	char *		laifilename;
+	char *		dsofilename;
+	char *		relfilename;
+	char *		dsorellnkname;
+	char *		deffilename;
+	char *		rpathfilename;
+	char *		dimpfilename;
+	char *		pimpfilename;
+	char *		vimpfilename;
+	char *		exefilename;
+	char *		sonameprefix;
+	pid_t		pid;
+	int		exitcode;
 };
 
 struct slbt_version_info {
-	int				major;
-	int				minor;
-	int				revision;
-	const char *			verinfo;
-	const char *			vernumber;
+	int		major;
+	int		minor;
+	int		revision;
+	const char *	verinfo;
+	const char *	vernumber;
 };
 
 struct slbt_error_info {