sep_mv = "+"; sep_mv_len = 1;
sep_mv = " + "; sep_mv_len = 3;
static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n,				int indent, unsigned long flags){	int i, prev = -1, orflags, cnt;	int fn_opt, fn_nid;	ASN1_OBJECT *fn;	ASN1_STRING *val;	X509_NAME_ENTRY *ent;	char objtmp[80];	const char *objbuf;	int outlen, len;	char *sep_dn, *sep_mv, *sep_eq;	int sep_dn_len, sep_mv_len, sep_eq_len;	if(indent < 0) indent = 0;	outlen = indent;	if(!do_indent(io_ch, arg, indent)) return -1;	switch (flags & XN_FLAG_SEP_MASK)	{		case XN_FLAG_SEP_MULTILINE:		sep_dn = "\n";		sep_dn_len = 1;		sep_mv = "+";		sep_mv_len = 1;		break;		case XN_FLAG_SEP_COMMA_PLUS:		sep_dn = ",";		sep_dn_len = 1;		sep_mv = "+";		sep_mv_len = 1;		indent = 0;		break;		case XN_FLAG_SEP_CPLUS_SPC:		sep_dn = ", ";		sep_dn_len = 2;		sep_mv = " + ";		sep_mv_len = 3;		indent = 0;		break;		case XN_FLAG_SEP_SPLUS_SPC:		sep_dn = "; ";		sep_dn_len = 2;		sep_mv = " + ";		sep_mv_len = 3;		indent = 0;		break;		default:		return -1;	}	if(flags & XN_FLAG_SPC_EQ) {		sep_eq = " = ";		sep_eq_len = 3;	} else {		sep_eq = "=";		sep_eq_len = 1;	}	fn_opt = flags & XN_FLAG_FN_MASK;	cnt = X509_NAME_entry_count(n);		for(i = 0; i < cnt; i++) {		if(flags & XN_FLAG_DN_REV)				ent = X509_NAME_get_entry(n, cnt - i - 1);		else ent = X509_NAME_get_entry(n, i);		if(prev != -1) {			if(prev == ent->set) {				if(!io_ch(arg, sep_mv, sep_mv_len)) return -1;				outlen += sep_mv_len;			} else {				if(!io_ch(arg, sep_dn, sep_dn_len)) return -1;				outlen += sep_dn_len;			}			if(!do_indent(io_ch, arg, indent)) return -1;			outlen += indent;		}		prev = ent->set;		fn = X509_NAME_ENTRY_get_object(ent);		val = X509_NAME_ENTRY_get_data(ent);		fn_nid = OBJ_obj2nid(fn);		if(fn_opt != XN_FLAG_FN_NONE) {			int objlen;			if((fn_opt == XN_FLAG_FN_OID) || (fn_nid==NID_undef) ) {				OBJ_obj2txt(objtmp, 80, fn, 1);				objbuf = objtmp;			} else {				if(fn_opt == XN_FLAG_FN_SN) 					objbuf = OBJ_nid2sn(fn_nid);				else if(fn_opt == XN_FLAG_FN_LN)					objbuf = OBJ_nid2ln(fn_nid);				else objbuf = "";			}			objlen = strlen(objbuf);			if(!io_ch(arg, objbuf, objlen)) return -1;			if(!io_ch(arg, sep_eq, sep_eq_len)) return -1;			outlen += objlen + sep_eq_len;		}		/* If the field name is unknown then fix up the DER dump		 * flag. We might want to limit this further so it will 		 * DER dump on anything other than a few 'standard' fields.		 */		if((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) 					orflags = ASN1_STRFLGS_DUMP_ALL;		else orflags = 0;     		len = do_print_ex(io_ch, arg, flags | orflags, val);		if(len < 0) return -1;		outlen += len;	}	return outlen;}