Movendo ea_buf para a estrutura de sessao

perry.werneck@gmail.com
1 parent ca28bc5d
Showing 11 changed files with 297 additions and 311 deletions Show diff stats
src/gtk/pw3270-GTK.cbp
src/gtk/v3270/clipboard.c
src/include/lib3270/session.h
src/lib3270/api.h
src/lib3270/ctlr.c
src/lib3270/ft_cut.c
src/lib3270/kybd.c
src/lib3270/paste.c
src/lib3270/print.c
src/lib3270/screen.c
src/lib3270/selection.c
@@ -95,6 +95,9 @@
 		<Unit filename="uiparser\toolitem.c">
 			<Option compilerVar="CC" />
 		</Unit>
+		<Unit filename="v3270\clipboard.c">
+			<Option compilerVar="CC" />
+		</Unit>
 		<Unit filename="v3270\draw.c">
 			<Option compilerVar="CC" />
 		</Unit>
@@ -83,6 +83,8 @@ gboolean v3270_copy(v3270 *widget)
 	{
 		gtk_clipboard_set_can_store(clipboard,targets,1);
 		trace("%s: Clipboard set",__FUNCTION__);
+		return TRUE;
 	}
+	return FALSE;
 }
@@ -36,6 +36,24 @@
 	#define LIB3270_LUNAME_LENGTH			16
 	#define LIB3270_FULL_MODEL_NAME_LENGTH	13
+	/**  extended attributes */
+	struct ea
+	{
+		unsigned char cc;		/**< EBCDIC or ASCII character code */
+		unsigned char fa;		/**< field attribute, it nonzero */
+		unsigned char fg;		/**< foreground color (0x00 or 0xf<n>) */
+		unsigned char bg;		/**< background color (0x00 or 0xf<n>) */
+		unsigned char gr;		/**< ANSI graphics rendition bits */
+		unsigned char cs;		/**< character set (GE flag, or 0..2) */
+		unsigned char ic;		/**< input control (DBCS) */
+		unsigned char db;		/**< DBCS state */
+
+		/* Updated by addch() */
+		unsigned char  chr;		/**< ASCII character code */
+		unsigned short attr;	/**< Converted character attribute (color & etc) */
+
+	};
+
 	struct _h3270
 	{
 		unsigned short 	  	  sz;					/**< Struct size */
@@ -79,8 +97,6 @@
 		// screen info
 		int					  ov_rows;
 		int					  ov_cols;
-//			int					  first_changed;
-//			int					  last_changed;
 		int					  maxROWS;
 		int					  maxCOLS;
 		unsigned short		  rows;
@@ -92,6 +108,8 @@
 		int					  formatted;			/**< set in screen_disp */
+		struct ea      		* ea_buf;				/**< 3270 device buffer. ea_buf[-1] is the dummy default field attribute */
+
 		// host.c
 		char 				  std_ds_host;
 		char 				  no_login_host;
@@ -183,23 +183,6 @@
 		#define PW3270_DIALOG_CRITICAL	LIB3270_NOTIFY_CRITICAL
 		#define PW3270_DIALOG			LIB3270_NOTIFY
-		/**  extended attributes */
-		struct ea
-		{
-			unsigned char cc;		/**< EBCDIC or ASCII character code */
-			unsigned char fa;		/**< field attribute, it nonzero */
-			unsigned char fg;		/**< foreground color (0x00 or 0xf<n>) */
-			unsigned char bg;		/**< background color (0x00 or 0xf<n>) */
-			unsigned char gr;		/**< ANSI graphics rendition bits */
-			unsigned char cs;		/**< character set (GE flag, or 0..2) */
-			unsigned char ic;		/**< input control (DBCS) */
-			unsigned char db;		/**< DBCS state */
-
-			/* Updated by addch() */
-			unsigned char  chr;		/**< ASCII character code */
-			unsigned short attr;	/**< Converted character attribute (color & etc) */
-
-		};
 		#define GR_BLINK		0x01
 		#define GR_REVERSE		0x02
 		#define GR_UNDERLINE	0x04
@@ -80,8 +80,8 @@ int				buffer_addr;
 // Boolean         screen_alt = False;	/* alternate screen? */
 // Boolean         is_altbuffer = False;
-struct ea      *ea_buf	= NULL;		/* 3270 device buffer */
-									/* ea_buf[-1] is the dummy default field attribute */
+// struct ea      *ea_buf	= NULL;		/* 3270 device buffer */
+//										/* ea_buf[-1] is the dummy default field attribute */
 // Boolean         formatted = False;	/* set in screen_disp */
 unsigned char	reply_mode = SF_SRM_FIELD;
@@ -168,7 +168,7 @@ void ctlr_reinit(H3270 *session, unsigned cmask)
 		if (real_ea_buf)
 			Free((char *)real_ea_buf);
 		real_ea_buf = (struct ea *)Calloc(sizeof(struct ea),(session->maxROWS * session->maxCOLS) + 1);
-		ea_buf = real_ea_buf + 1;
+		session->ea_buf = real_ea_buf + 1;
 		if (real_aea_buf)
 			Free((char *)real_aea_buf);
 		real_aea_buf = (struct ea *)Calloc(sizeof(struct ea),(session->maxROWS * session->maxCOLS) + 1);
@@ -274,7 +274,7 @@ static void set_formatted(H3270 *session)
 	baddr = 0;
 	do
 	{
-		if (ea_buf[baddr].fa)
+		if(session->ea_buf[baddr].fa)
 		{
 			session->formatted = True;
 			break;
@@ -301,10 +301,11 @@ static void ctlr_connect(H3270 *session, int ignored unused, void *dunno)
 	status_untiming(session);
 	if (session->ever_3270)
-		ea_buf[-1].fa = FA_PRINTABLE | FA_MODIFY;
+		session->ea_buf[-1].fa = FA_PRINTABLE | FA_MODIFY;
 	else
-		ea_buf[-1].fa = FA_PRINTABLE | FA_PROTECT;
-	if (!IN_3270 || (IN_SSCP && (kybdlock & KL_OIA_TWAIT))) {
+		session->ea_buf[-1].fa = FA_PRINTABLE | FA_PROTECT;
+	if (!IN_3270 || (IN_SSCP && (kybdlock & KL_OIA_TWAIT)))
+	{
 		kybdlock_clr(KL_OIA_TWAIT, "ctlr_connect");
 		status_reset(session);
 	}
@@ -332,7 +333,7 @@ LIB3270_EXPORT int lib3270_field_addr(H3270 *h, int baddr)
 	sbaddr = baddr;
 	do
 	{
-		if (ea_buf[baddr].fa)
+		if(h->ea_buf[baddr].fa)
 			return baddr;
 		DEC_BA(baddr);
 	} while (baddr != sbaddr);
@@ -359,7 +360,7 @@ int lib3270_field_length(H3270 *h, int baddr)
 	saddr = addr;
 	INC_BA(addr);
 	do {
-		if(ea_buf[addr].fa)
+		if(h->ea_buf[addr].fa)
 			return width;
 		INC_BA(addr);
 		width++;
@@ -376,7 +377,7 @@ int lib3270_field_length(H3270 *h, int baddr)
 unsigned char get_field_attribute(H3270 *h, int baddr)
 {
 	CHECK_SESSION_HANDLE(h);
-	return ea_buf[find_field_attribute(h,baddr)].fa;
+	return h->ea_buf[find_field_attribute(h,baddr)].fa;
 }
 /*
@@ -392,14 +393,14 @@ get_bounded_field_attribute(register int baddr, register int bound,
 	int	sbaddr;
 	if (!h3270.formatted) {
-		*fa_out = ea_buf[-1].fa;
+		*fa_out = h3270.ea_buf[-1].fa;
 		return True;
 	}
 	sbaddr = baddr;
 	do {
-		if (ea_buf[baddr].fa) {
-			*fa_out = ea_buf[baddr].fa;
+		if (h3270.ea_buf[baddr].fa) {
+			*fa_out = h3270.ea_buf[baddr].fa;
 			return True;
 		}
 		DEC_BA(baddr);
@@ -407,7 +408,7 @@ get_bounded_field_attribute(register int baddr, register int bound,
 	/* Screen is unformatted (and 'formatted' is inaccurate). */
 	if (baddr == sbaddr) {
-		*fa_out = ea_buf[-1].fa;
+		*fa_out = h3270.ea_buf[-1].fa;
 		return True;
 	}
@@ -422,7 +423,7 @@ get_bounded_field_attribute(register int baddr, register int bound,
 struct ea *
 fa2ea(int baddr)
 {
-	return &ea_buf[baddr];
+	return &h3270.ea_buf[baddr];
 }
 /*
@@ -439,9 +440,9 @@ next_unprotected(int baddr0)
 	do {
 		baddr = nbaddr;
 		INC_BA(nbaddr);
-		if (ea_buf[baddr].fa &&
-		    !FA_IS_PROTECTED(ea_buf[baddr].fa) &&
-		    !ea_buf[nbaddr].fa)
+		if (h3270.ea_buf[baddr].fa &&
+		    !FA_IS_PROTECTED(h3270.ea_buf[baddr].fa) &&
+		    !h3270.ea_buf[nbaddr].fa)
 			return nbaddr;
 	} while (nbaddr != baddr0);
 	return 0;
@@ -610,20 +611,19 @@ insert_sa(int baddr, unsigned char *current_fgp, unsigned char *current_bgp,
 		return;
 	if (memchr((char *)crm_attr, XA_FOREGROUND, crm_nattr))
-		insert_sa1(XA_FOREGROUND, ea_buf[baddr].fg, current_fgp, anyp);
+		insert_sa1(XA_FOREGROUND, h3270.ea_buf[baddr].fg, current_fgp, anyp);
 	if (memchr((char *)crm_attr, XA_BACKGROUND, crm_nattr))
-		insert_sa1(XA_BACKGROUND, ea_buf[baddr].bg, current_bgp, anyp);
+		insert_sa1(XA_BACKGROUND, h3270.ea_buf[baddr].bg, current_bgp, anyp);
 	if (memchr((char *)crm_attr, XA_HIGHLIGHTING, crm_nattr)) {
 		unsigned char gr;
-		gr = ea_buf[baddr].gr;
+		gr = h3270.ea_buf[baddr].gr;
 		if (gr)
 			gr |= 0xf0;
 		insert_sa1(XA_HIGHLIGHTING, gr, current_grp, anyp);
 	}
 	if (memchr((char *)crm_attr, XA_CHARSET, crm_nattr)) {
-		insert_sa1(XA_CHARSET, host_cs(ea_buf[baddr].cs), current_csp,
-			   anyp);
+		insert_sa1(XA_CHARSET, host_cs(h3270.ea_buf[baddr].cs), current_csp,anyp);
 	}
 }
@@ -699,13 +699,13 @@ ctlr_read_modified(unsigned char aid_byte, Boolean all)
 	if (h3270.formatted) {
 		/* find first field attribute */
 		do {
-			if (ea_buf[baddr].fa)
+			if (h3270.ea_buf[baddr].fa)
 				break;
 			INC_BA(baddr);
 		} while (baddr != 0);
 		sbaddr = baddr;
 		do {
-			if (FA_IS_MODIFIED(ea_buf[baddr].fa)) {
+			if (FA_IS_MODIFIED(h3270.ea_buf[baddr].fa)) {
 				Boolean	any = False;
 				INC_BA(baddr);
@@ -713,17 +713,17 @@ ctlr_read_modified(unsigned char aid_byte, Boolean all)
 				*obptr++ = ORDER_SBA;
 				ENCODE_BADDR(obptr, baddr);
 				trace_ds(" SetBufferAddress%s (Cols: %d Rows: %d)", rcba(baddr), h3270.cols, h3270.rows);
-				while (!ea_buf[baddr].fa) {
+				while (!h3270.ea_buf[baddr].fa) {
 					if (send_data &&
-					    ea_buf[baddr].cc) {
+					    h3270.ea_buf[baddr].cc) {
 						insert_sa(baddr,
 						    &current_fg,
 						    &current_bg,
 						    &current_gr,
 						    &current_cs,
 						    &any);
-						if (ea_buf[baddr].cs & CS_GE) {
+						if (h3270.ea_buf[baddr].cs & CS_GE) {
 							space3270out(1);
 							*obptr++ = ORDER_GE;
 							if (any)
@@ -732,7 +732,7 @@ ctlr_read_modified(unsigned char aid_byte, Boolean all)
 							any = False;
 						}
 						space3270out(1);
-						*obptr++ = ea_buf[baddr].cc;
+						*obptr++ = h3270.ea_buf[baddr].cc;
 						if (!any)
 							trace_ds(" '");
 						trace_ds("%s",
@@ -747,7 +747,7 @@ ctlr_read_modified(unsigned char aid_byte, Boolean all)
 			else {	/* not modified - skip */
 				do {
 					INC_BA(baddr);
-				} while (!ea_buf[baddr].fa);
+				} while (!h3270.ea_buf[baddr].fa);
 			}
 		} while (baddr != sbaddr);
 	} else {
@@ -762,14 +762,14 @@ ctlr_read_modified(unsigned char aid_byte, Boolean all)
 			baddr = sscp_start;
 		do {
-			if (ea_buf[baddr].cc) {
+			if (h3270.ea_buf[baddr].cc) {
 				insert_sa(baddr,
 				    &current_fg,
 				    &current_bg,
 				    &current_gr,
 				    &current_cs,
 				    &any);
-				if (ea_buf[baddr].cs & CS_GE) {
+				if (h3270.ea_buf[baddr].cs & CS_GE) {
 					space3270out(1);
 					*obptr++ = ORDER_GE;
 					if (any)
@@ -778,7 +778,7 @@ ctlr_read_modified(unsigned char aid_byte, Boolean all)
 					any = False;
 				}
 				space3270out(1);
-				*obptr++ = ea_buf[baddr].cc;
+				*obptr++ = h3270.ea_buf[baddr].cc;
 				if (!any)
 					trace_ds("%s","'");
 				trace_ds("%s",see_ebc(ea_buf[baddr].cc));
@@ -836,7 +836,7 @@ ctlr_read_buffer(unsigned char aid_byte)
 	baddr = 0;
 	do {
-		if (ea_buf[baddr].fa) {
+		if (h3270.ea_buf[baddr].fa) {
 			if (reply_mode == SF_SRM_FIELD) {
 				space3270out(2);
 				*obptr++ = ORDER_SF;
@@ -847,7 +847,7 @@ ctlr_read_buffer(unsigned char aid_byte)
 				*obptr++ = 1; /* for now */
 				*obptr++ = XA_3270;
 			}
-			fa = ea_buf[baddr].fa & ~FA_PRINTABLE;
+			fa = h3270.ea_buf[baddr].fa & ~FA_PRINTABLE;
 			*obptr++ = code_table[fa];
 			if (any)
 				trace_ds("'");
@@ -855,34 +855,34 @@ ctlr_read_buffer(unsigned char aid_byte)
 			    (reply_mode == SF_SRM_FIELD) ? "" : "Extended",
 			    rcba(baddr), see_attr(fa));
 			if (reply_mode != SF_SRM_FIELD) {
-				if (ea_buf[baddr].fg) {
+				if (h3270.ea_buf[baddr].fg) {
 					space3270out(2);
 					*obptr++ = XA_FOREGROUND;
-					*obptr++ = ea_buf[baddr].fg;
+					*obptr++ = h3270.ea_buf[baddr].fg;
 					trace_ds("%s", see_efa(XA_FOREGROUND,
 					    ea_buf[baddr].fg));
 					(*(obuf + attr_count))++;
 				}
-				if (ea_buf[baddr].bg) {
+				if (h3270.ea_buf[baddr].bg) {
 					space3270out(2);
 					*obptr++ = XA_BACKGROUND;
-					*obptr++ = ea_buf[baddr].bg;
+					*obptr++ = h3270.ea_buf[baddr].bg;
 					trace_ds("%s", see_efa(XA_BACKGROUND,
 					    ea_buf[baddr].bg));
 					(*(obuf + attr_count))++;
 				}
-				if (ea_buf[baddr].gr) {
+				if (h3270.ea_buf[baddr].gr) {
 					space3270out(2);
 					*obptr++ = XA_HIGHLIGHTING;
-					*obptr++ = ea_buf[baddr].gr | 0xf0;
+					*obptr++ = h3270.ea_buf[baddr].gr | 0xf0;
 					trace_ds("%s", see_efa(XA_HIGHLIGHTING,
-					    ea_buf[baddr].gr | 0xf0));
+					    h3270.ea_buf[baddr].gr | 0xf0));
 					(*(obuf + attr_count))++;
 				}
-				if (ea_buf[baddr].cs & CS_MASK) {
+				if (h3270.ea_buf[baddr].cs & CS_MASK) {
 					space3270out(2);
 					*obptr++ = XA_CHARSET;
-					*obptr++ = host_cs(ea_buf[baddr].cs);
+					*obptr++ = host_cs(h3270.ea_buf[baddr].cs);
 					trace_ds("%s", see_efa(XA_CHARSET,
 					    host_cs(ea_buf[baddr].cs)));
 					(*(obuf + attr_count))++;
@@ -896,7 +896,7 @@ ctlr_read_buffer(unsigned char aid_byte)
 			    &current_gr,
 			    &current_cs,
 			    &any);
-			if (ea_buf[baddr].cs & CS_GE) {
+			if (h3270.ea_buf[baddr].cs & CS_GE) {
 				space3270out(1);
 				*obptr++ = ORDER_GE;
 				if (any)
@@ -905,9 +905,9 @@ ctlr_read_buffer(unsigned char aid_byte)
 				any = False;
 			}
 			space3270out(1);
-			*obptr++ = ea_buf[baddr].cc;
-			if (ea_buf[baddr].cc <= 0x3f ||
-			    ea_buf[baddr].cc == 0xff) {
+			*obptr++ = h3270.ea_buf[baddr].cc;
+			if (h3270.ea_buf[baddr].cc <= 0x3f ||
+			    h3270.ea_buf[baddr].cc == 0xff) {
 				if (any)
 					trace_ds("'");
@@ -1076,14 +1076,14 @@ ctlr_erase_all_unprotected(void)
 		/* find first field attribute */
 		baddr = 0;
 		do {
-			if (ea_buf[baddr].fa)
+			if (h3270.ea_buf[baddr].fa)
 				break;
 			INC_BA(baddr);
 		} while (baddr != 0);
 		sbaddr = baddr;
 		f = False;
 		do {
-			fa = ea_buf[baddr].fa;
+			fa = h3270.ea_buf[baddr].fa;
 			if (!FA_IS_PROTECTED(fa)) {
 				mdt_clear(baddr);
 				do {
@@ -1092,15 +1092,15 @@ ctlr_erase_all_unprotected(void)
 						cursor_move(baddr);
 						f = True;
 					}
-					if (!ea_buf[baddr].fa) {
+					if (!h3270.ea_buf[baddr].fa) {
 						ctlr_add(baddr, EBC_null, 0);
 					}
-				} while (!ea_buf[baddr].fa);
+				} while (!h3270.ea_buf[baddr].fa);
 			}
 			else {
 				do {
 					INC_BA(baddr);
-				} while (!ea_buf[baddr].fa);
+				} while (!h3270.ea_buf[baddr].fa);
 			}
 		} while (baddr != sbaddr);
 		if (!f)
@@ -1203,7 +1203,7 @@ ctlr_write(unsigned char buf[], int buflen, Boolean erase)
 		if (appres.modified_sel)
 			ALL_CHANGED;
 		do {
-			if (ea_buf[baddr].fa) {
+			if (h3270.ea_buf[baddr].fa) {
 				mdt_clear(baddr);
 			}
 			INC_BA(baddr);
@@ -1271,8 +1271,8 @@ ctlr_write(unsigned char buf[], int buflen, Boolean erase)
 			 * of an unprotected field, simply advance one
 			 * position.
 			 */
-			if (ea_buf[buffer_addr].fa &&
-			    !FA_IS_PROTECTED(ea_buf[buffer_addr].fa)) {
+			if (h3270.ea_buf[buffer_addr].fa &&
+			    !FA_IS_PROTECTED(h3270.ea_buf[buffer_addr].fa)) {
 				INC_BA(buffer_addr);
 				last_zpt = False;
 				last_cmd = True;
@@ -1295,7 +1295,7 @@ ctlr_write(unsigned char buf[], int buflen, Boolean erase)
 			if (!last_cmd || last_zpt) {
 				trace_ds("(nulling)");
 				while ((buffer_addr != baddr) &&
-				       (!ea_buf[buffer_addr].fa)) {
+				       (!h3270.ea_buf[buffer_addr].fa)) {
 					ctlr_add(buffer_addr, EBC_null, 0);
 					ctlr_add_cs(buffer_addr, 0);
 					ctlr_add_fg(buffer_addr, 0);
@@ -1433,8 +1433,8 @@ ctlr_write(unsigned char buf[], int buflen, Boolean erase)
 				ABORT_WRITE("EUA overwriting left half of DBCS character");
 			}
 			do {
-				if (ea_buf[buffer_addr].fa)
-					current_fa = ea_buf[buffer_addr].fa;
+				if (h3270.ea_buf[buffer_addr].fa)
+					current_fa = h3270.ea_buf[buffer_addr].fa;
 				else if (!FA_IS_PROTECTED(current_fa)) {
 					ctlr_add(buffer_addr, EBC_null,
 					    CS_BASE);
@@ -1472,14 +1472,14 @@ ctlr_write(unsigned char buf[], int buflen, Boolean erase)
 			previous = ORDER;
 			cp++;
 			na = *cp;
-			if (ea_buf[buffer_addr].fa) {
+			if (h3270.ea_buf[buffer_addr].fa) {
 				for (i = 0; i < (int)na; i++) {
 					cp++;
 					if (*cp == XA_3270) {
 						trace_ds(" 3270");
 						cp++;
 						ctlr_add_fa(buffer_addr, *cp,
-							ea_buf[buffer_addr].cs);
+							h3270.ea_buf[buffer_addr].cs);
 						trace_ds("%s",see_attr(*cp));
 					} else if (*cp == XA_FOREGROUND) {
 						trace_ds("%s",
@@ -1714,16 +1714,16 @@ ctlr_write(unsigned char buf[], int buflen, Boolean erase)
 			while (!aborted &&
 			       ((fa_addr >= 0 && baddr != fa_addr) ||
 			        (fa_addr < 0 && baddr != h3270.rows*h3270.cols - 1))) {
-				if (ea_buf[baddr].cc == FCORDER_SI) {
+				if (h3270.ea_buf[baddr].cc == FCORDER_SI) {
 					ABORT_WRITE("double SI");
 				}
-				if (ea_buf[baddr].cc == FCORDER_SO)
+				if (h3270.ea_buf[baddr].cc == FCORDER_SO)
 					break;
 				DEC_BA(baddr);
 			}
 			if (aborted)
 				break;
-			if (ea_buf[baddr].cc != FCORDER_SO) {
+			if (h3270.ea_buf[baddr].cc != FCORDER_SO) {
 				ABORT_WRITE("SI without SO");
 			}
 			/* All is well. */
@@ -2293,7 +2293,7 @@ ps_process(void)
 	    !h3270.screen_alt &&        /* 24x80 screen */
 	    !kybdlock &&                /* keyboard not locked */
 	    /* magic field */
-	    ea_buf[1919].fa && FA_IS_SKIP(ea_buf[1919].fa)) {
+	    h3270.ea_buf[1919].fa && FA_IS_SKIP(h3270.ea_buf[1919].fa)) {
 		ft_cut_data();
 	}
 #endif /*]*/
@@ -2308,7 +2308,7 @@ ctlr_any_data(void)
 	register int i;
 	for (i = 0; i < h3270.rows*h3270.cols; i++) {
-		if (!IsBlank(ea_buf[i].cc))
+		if (!IsBlank(h3270.ea_buf[i].cc))
 			return True;
 	}
 	return False;
@@ -2334,7 +2334,7 @@ ctlr_clear(H3270 *session, Boolean can_snap)
 #endif /*]*/
 	/* Clear the screen. */
-	(void) memset((char *)ea_buf, 0, session->rows*session->cols*sizeof(struct ea));
+	(void) memset((char *)session->ea_buf, 0, session->rows*session->cols*sizeof(struct ea));
 	cursor_move(0);
 	buffer_addr = 0;
 	// unselect(0, ROWS*COLS);
@@ -2359,8 +2359,8 @@ ctlr_blanks(void)
 	int baddr;
 	for (baddr = 0; baddr < h3270.rows*h3270.cols; baddr++) {
-		if (!ea_buf[baddr].fa)
-			ea_buf[baddr].cc = EBC_space;
+		if (!h3270.ea_buf[baddr].fa)
+			h3270.ea_buf[baddr].cc = EBC_space;
 	}
 	cursor_move(0);
 	buffer_addr = 0;
@@ -2379,7 +2379,7 @@ ctlr_add(int baddr, unsigned char c, unsigned char cs)
 {
 	unsigned char oc = 0;
-	if(ea_buf[baddr].fa || ((oc = ea_buf[baddr].cc) != c || ea_buf[baddr].cs != cs))
+	if(h3270.ea_buf[baddr].fa || ((oc = h3270.ea_buf[baddr].cc) != c || h3270.ea_buf[baddr].cs != cs))
 	{
 		if (trace_primed && !IsBlank(oc))
 		{
@@ -2394,9 +2394,9 @@ ctlr_add(int baddr, unsigned char c, unsigned char cs)
 		if (SELECTED(baddr))
 			unselect(baddr, 1);
 		*/
-		ea_buf[baddr].cc = c;
-		ea_buf[baddr].cs = cs;
-		ea_buf[baddr].fa = 0;
+		h3270.ea_buf[baddr].cc = c;
+		h3270.ea_buf[baddr].cs = cs;
+		h3270.ea_buf[baddr].fa = 0;
 		ONE_CHANGED(baddr);
 	}
 }
@@ -2414,7 +2414,7 @@ ctlr_add_fa(int baddr, unsigned char fa, unsigned char cs)
 	 * Store the new attribute, setting the 'printable' bits so that the
 	 * value will be non-zero.
 	 */
-	ea_buf[baddr].fa = FA_PRINTABLE | (fa & FA_MASK);
+	h3270.ea_buf[baddr].fa = FA_PRINTABLE | (fa & FA_MASK);
 }
 /*
@@ -2423,13 +2423,13 @@ ctlr_add_fa(int baddr, unsigned char fa, unsigned char cs)
 void
 ctlr_add_cs(int baddr, unsigned char cs)
 {
-	if (ea_buf[baddr].cs != cs)
+	if (h3270.ea_buf[baddr].cs != cs)
 	{
 		/*
 		if (SELECTED(baddr))
 			unselect(baddr, 1);
 		*/
-		ea_buf[baddr].cs = cs;
+		h3270.ea_buf[baddr].cs = cs;
 		ONE_CHANGED(baddr);
 	}
 }
@@ -2440,13 +2440,9 @@ ctlr_add_cs(int baddr, unsigned char cs)
 void
 ctlr_add_gr(int baddr, unsigned char gr)
 {
-	if (ea_buf[baddr].gr != gr)
+	if (h3270.ea_buf[baddr].gr != gr)
 	{
-		/*
-		if (SELECTED(baddr))
-			unselect(baddr, 1);
-		*/
-		ea_buf[baddr].gr = gr;
+		h3270.ea_buf[baddr].gr = gr;
 		if (gr & GR_BLINK)
 			blink_start();
 		ONE_CHANGED(baddr);
@@ -2463,13 +2459,9 @@ ctlr_add_fg(int baddr, unsigned char color)
 		return;
 	if ((color & 0xf0) != 0xf0)
 		color = 0;
-	if (ea_buf[baddr].fg != color)
+	if (h3270.ea_buf[baddr].fg != color)
 	{
-		/*
-		if (SELECTED(baddr))
-			unselect(baddr, 1);
-		*/
-		ea_buf[baddr].fg = color;
+		h3270.ea_buf[baddr].fg = color;
 		ONE_CHANGED(baddr);
 	}
 }
@@ -2484,13 +2476,9 @@ ctlr_add_bg(int baddr, unsigned char color)
 		return;
 	if ((color & 0xf0) != 0xf0)
 		color = 0;
-	if (ea_buf[baddr].bg != color)
+	if (h3270.ea_buf[baddr].bg != color)
 	{
-		/*
-		if (SELECTED(baddr))
-			unselect(baddr, 1);
-		*/
-		ea_buf[baddr].bg = color;
+		h3270.ea_buf[baddr].bg = color;
 		ONE_CHANGED(baddr);
 	}
 }
@@ -2501,7 +2489,7 @@ ctlr_add_bg(int baddr, unsigned char color)
 static void
 ctlr_add_ic(int baddr, unsigned char ic)
 {
-	ea_buf[baddr].ic = ic;
+	h3270.ea_buf[baddr].ic = ic;
 }
 /*
@@ -2548,21 +2536,12 @@ void
 ctlr_bcopy(int baddr_from, int baddr_to, int count, int move_ea)
 {
 	/* Move the characters. */
-	if (memcmp((char *) &ea_buf[baddr_from],
-	           (char *) &ea_buf[baddr_to],
+	if (memcmp((char *) &h3270.ea_buf[baddr_from],
+	           (char *) &h3270.ea_buf[baddr_to],
 		   count * sizeof(struct ea))) {
-		(void) memmove(&ea_buf[baddr_to], &ea_buf[baddr_from],
+		(void) memmove(&h3270.ea_buf[baddr_to], &h3270.ea_buf[baddr_from],
 			           count * sizeof(struct ea));
 		REGION_CHANGED(baddr_to, baddr_to + count);
-		/*
-		 * For the time being, if any selected text shifts around on
-		 * the screen, unhighlight it.  Eventually there should be
-		 * logic for preserving the highlight if the *all* of the
-		 * selected text moves.
-		 */ /*
-		if (area_is_selected(baddr_to, count))
-			unselect(baddr_to, count);
-		*/
 	}
 	/* XXX: What about move_ea? */
 }
@@ -2575,15 +2554,11 @@ ctlr_bcopy(int baddr_from, int baddr_to, int count, int move_ea)
 void
 ctlr_aclear(int baddr, int count, int clear_ea)
 {
-	if (memcmp((char *) &ea_buf[baddr], (char *) zero_buf,
+	if (memcmp((char *) &h3270.ea_buf[baddr], (char *) zero_buf,
 		    count * sizeof(struct ea))) {
-		(void) memset((char *) &ea_buf[baddr], 0,
+		(void) memset((char *) &h3270.ea_buf[baddr], 0,
 				count * sizeof(struct ea));
 		REGION_CHANGED(baddr, baddr + count);
-		/*
-		if (area_is_selected(baddr, count))
-			unselect(baddr, count);
-		*/
 	}
 	/* XXX: What about clear_ea? */
 }
@@ -2604,10 +2579,10 @@ void ctlr_scroll(void)
 	/* Synchronize pending changes prior to this. */
 	/* Move ea_buf. */
-	(void) memmove(&ea_buf[0], &ea_buf[h3270.cols],qty * sizeof(struct ea));
+	(void) memmove(&h3270.ea_buf[0], &h3270.ea_buf[h3270.cols],qty * sizeof(struct ea));
 	/* Clear the last line. */
-	(void) memset((char *) &ea_buf[qty], 0, h3270.cols * sizeof(struct ea));
+	(void) memset((char *) &h3270.ea_buf[qty], 0, h3270.cols * sizeof(struct ea));
 	screen_disp(&h3270);
@@ -2646,8 +2621,8 @@ void ctlr_altbuffer(H3270 *session, int alt)
 	if (alt != session->is_altbuffer)
 	{
-		etmp = ea_buf;
-		ea_buf = aea_buf;
+		etmp = session->ea_buf;
+		session->ea_buf = aea_buf;
 		aea_buf = etmp;
 		session->is_altbuffer = alt;
@@ -2672,8 +2647,8 @@ mdt_set(int baddr)
 	int faddr;
 	faddr = find_field_attribute(&h3270,baddr);
-	if (faddr >= 0 && !(ea_buf[faddr].fa & FA_MODIFY)) {
-		ea_buf[faddr].fa |= FA_MODIFY;
+	if (faddr >= 0 && !(h3270.ea_buf[faddr].fa & FA_MODIFY)) {
+		h3270.ea_buf[faddr].fa |= FA_MODIFY;
 		if (appres.modified_sel)
 			ALL_CHANGED;
 	}
@@ -2685,8 +2660,8 @@ mdt_clear(int baddr)
 	int faddr;
 	faddr = find_field_attribute(&h3270,baddr);
-	if (faddr >= 0 && (ea_buf[faddr].fa & FA_MODIFY)) {
-		ea_buf[faddr].fa &= ~FA_MODIFY;
+	if (faddr >= 0 && (h3270.ea_buf[faddr].fa & FA_MODIFY)) {
+		h3270.ea_buf[faddr].fa &= ~FA_MODIFY;
 		if (appres.modified_sel)
 			ALL_CHANGED;
 	}
@@ -2702,9 +2677,8 @@ ctlr_shrink(void)
 	int baddr;
 	for (baddr = 0; baddr < h3270.rows*h3270.cols; baddr++) {
-		if (!ea_buf[baddr].fa)
-			ea_buf[baddr].cc =
-			    visible_control? EBC_space : EBC_null;
+		if (!h3270.ea_buf[baddr].fa)
+			h3270.ea_buf[baddr].cc = visible_control? EBC_space : EBC_null;
 	}
 	ALL_CHANGED;
 	screen_disp(&h3270);
@@ -276,7 +276,7 @@ download_convert(unsigned const char *buf, unsigned len, unsigned char *xobuf)
 void
 ft_cut_data(void)
 {
-	switch (ea_buf[O_FRAME_TYPE].cc) {
+	switch (h3270.ea_buf[O_FRAME_TYPE].cc) {
 	    case FT_CONTROL_CODE:
 		cut_control_code();
 		break;
@@ -308,8 +308,7 @@ cut_control_code(void)
 	int i;
 	trace_ds("< FT CONTROL_CODE ");
-	code = (ea_buf[O_CC_STATUS_CODE].cc << 8) |
-		ea_buf[O_CC_STATUS_CODE + 1].cc;
+	code = (h3270.ea_buf[O_CC_STATUS_CODE].cc << 8) | h3270.ea_buf[O_CC_STATUS_CODE + 1].cc;
 	switch (code) {
 	    case SC_HOST_ACK:
 		trace_ds("HOST_ACK\n");
@@ -338,7 +337,7 @@ cut_control_code(void)
 		} else {
 			bp = buf = Malloc(81);
 			for (i = 0; i < 80; i++)
-				*bp++ = ebc2asc[ea_buf[O_CC_MESSAGE + i].cc];
+				*bp++ = ebc2asc[h3270.ea_buf[O_CC_MESSAGE + i].cc];
 			*bp-- = '\0';
 			while (bp >= buf && *bp == ' ')
 				*bp-- = '\0';
@@ -365,7 +364,7 @@ cut_control_code(void)
 static void
 cut_data_request(void)
 {
-	unsigned char seq = ea_buf[O_DR_FRAME_SEQ].cc;
+	unsigned char seq = h3270.ea_buf[O_DR_FRAME_SEQ].cc;
 	int count;
 	unsigned char cs;
 	int c;
@@ -413,13 +412,13 @@ cut_data_request(void)
 	ctlr_add(O_UP_FRAME_SEQ, seq, 0);
 	cs = 0;
 	for (i = 0; i < count; i++)
-		cs ^= ea_buf[O_UP_DATA + i].cc;
+		cs ^= h3270.ea_buf[O_UP_DATA + i].cc;
 	ctlr_add(O_UP_CSUM, asc2ebc[(int)table6[cs & 0x3f]], 0);
 	ctlr_add(O_UP_LEN, asc2ebc[(int)table6[(count >> 6) & 0x3f]], 0);
 	ctlr_add(O_UP_LEN+1, asc2ebc[(int)table6[count & 0x3f]], 0);
 	/* XXX: Change the data field attribute so it doesn't display. */
-	attr = ea_buf[O_DR_SF].fa;
+	attr = h3270.ea_buf[O_DR_SF].fa;
 	attr = (attr & ~FA_INTENSITY) | FA_INT_ZERO_NSEL;
 	ctlr_add_fa(O_DR_SF, attr, 0);
@@ -474,14 +473,14 @@ cut_data(void)
 	}
 	/* Copy and convert the data. */
-	raw_length = from6(ea_buf[O_DT_LEN].cc) << 6 |
-		     from6(ea_buf[O_DT_LEN + 1].cc);
+	raw_length = from6(h3270.ea_buf[O_DT_LEN].cc) << 6 |
+		     from6(h3270.ea_buf[O_DT_LEN + 1].cc);
 	if ((int)raw_length > O_RESPONSE - O_DT_DATA) {
 		cut_abort(MSG_("ftCutOversize","Illegal frame length"), SC_ABORT_XMIT);
 		return;
 	}
 	for (i = 0; i < (int)raw_length; i++)
-		cvbuf[i] = ea_buf[O_DT_DATA + i].cc;
+		cvbuf[i] = h3270.ea_buf[O_DT_DATA + i].cc;
 	if (raw_length == 2 && cvbuf[0] == EOF_DATA1 && cvbuf[1] == EOF_DATA2) {
 		trace_ds("< FT EOF\n");
@@ -527,7 +526,7 @@ cut_abort(const char *s, unsigned short reason)
 	/* Send the abort sequence. */
 	ctlr_add(RO_FRAME_TYPE, RFT_CONTROL_CODE, 0);
-	ctlr_add(RO_FRAME_SEQ, ea_buf[O_DT_FRAME_SEQ].cc, 0);
+	ctlr_add(RO_FRAME_SEQ, h3270.ea_buf[O_DT_FRAME_SEQ].cc, 0);
 	ctlr_add(RO_REASON_CODE, HIGH8(reason), 0);
 	ctlr_add(RO_REASON_CODE+1, LOW8(reason), 0);
 	trace_ds("> FT CONTROL_CODE ABORT\n");
@@ -639,7 +639,7 @@ static Boolean ins_prep(int faddr, int baddr, int count)
 	} else {
 		next_faddr = faddr;
 		INC_BA(next_faddr);
-		while (next_faddr != faddr && !ea_buf[next_faddr].fa) {
+		while (next_faddr != faddr && !h3270.ea_buf[next_faddr].fa) {
 			INC_BA(next_faddr);
 		}
 	}
@@ -649,11 +649,11 @@ static Boolean ins_prep(int faddr, int baddr, int count)
 	need = count;
 	ntb = 0;
 	while (need && (xaddr != next_faddr)) {
-		if (ea_buf[xaddr].cc == EBC_null)
+		if (h3270.ea_buf[xaddr].cc == EBC_null)
 			need--;
 		else if (toggled(LIB3270_TOGGLE_BLANK_FILL) &&
-			((ea_buf[xaddr].cc == EBC_space) ||
-			 (ea_buf[xaddr].cc == EBC_underscore))) {
+			((h3270.ea_buf[xaddr].cc == EBC_space) ||
+			 (h3270.ea_buf[xaddr].cc == EBC_underscore))) {
 			if (tb_start == -1)
 				tb_start = xaddr;
 			ntb++;
@@ -682,7 +682,7 @@ static Boolean ins_prep(int faddr, int baddr, int count)
 		int first_null = -1;
 		while (need &&
-		       ((ea_buf[xaddr].cc == EBC_null) ||
+		       ((h3270.ea_buf[xaddr].cc == EBC_null) ||
 		        (tb_start >= 0 && xaddr >= tb_start))) {
 			need--;
 			n_nulls++;
@@ -768,7 +768,7 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 	baddr = h3270.cursor_addr;
 	faddr = find_field_attribute(&h3270,baddr);
 	fa = get_field_attribute(&h3270,baddr);
-	if (ea_buf[baddr].fa || FA_IS_PROTECTED(fa)) {
+	if (h3270.ea_buf[baddr].fa || FA_IS_PROTECTED(fa)) {
 		operator_error(KL_OERR_PROTECTED);
 		return False;
 	}
@@ -780,13 +780,13 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 	}
 	/* Can't put an SBCS in a DBCS field. */
-	if (ea_buf[faddr].cs == CS_DBCS) {
+	if (h3270.ea_buf[faddr].cs == CS_DBCS) {
 		operator_error(KL_OERR_DBCS);
 		return False;
 	}
 	/* If it's an SI (end of DBCS subfield), move over one position. */
-	if (ea_buf[baddr].cc == EBC_si) {
+	if (h3270.ea_buf[baddr].cc == EBC_si) {
 		INC_BA(baddr);
 		if (baddr == faddr) {
 			operator_error(KL_OERR_OVERFLOW);
@@ -795,7 +795,7 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 	}
 	/* Add the character. */
-	if (ea_buf[baddr].cc == EBC_so) {
+	if (h3270.ea_buf[baddr].cc == EBC_so) {
 		if (toggled(INSERT)) {
 			if (!ins_prep(faddr, baddr, 1))
@@ -812,7 +812,7 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 			 */
 			xaddr = baddr;
 			INC_BA(xaddr);
-			was_si = (ea_buf[xaddr].cc == EBC_si);
+			was_si = (h3270.ea_buf[xaddr].cc == EBC_si);
 			ctlr_add(xaddr, EBC_space, CS_BASE);
 			ctlr_add_fg(xaddr, 0);
 #if defined(X3270_ANSI) /*[*/
@@ -935,7 +935,7 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 				 * for NULLs.
 				 */
 				while (baddr_scan != faddr) {
-					if (ea_buf[baddr_scan].cc != EBC_null) {
+					if (h3270.ea_buf[baddr_scan].cc != EBC_null) {
 						aborted = False;
 						break;
 					}
@@ -947,7 +947,7 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 					break;
 			}
-			if (ea_buf[baddr_fill].cc == EBC_null)
+			if (h3270.ea_buf[baddr_fill].cc == EBC_null)
 				ctlr_add(baddr_fill, EBC_space, 0);
 			DEC_BA(baddr_fill);
 		}
@@ -961,10 +961,10 @@ key_Character(int code, Boolean with_ge, Boolean pasting, Boolean *skipped)
 	 * keyboard-generated data except DUP.
 	 */
 	if (pasting || (code != EBC_dup)) {
-		while (ea_buf[baddr].fa) {
+		while (h3270.ea_buf[baddr].fa) {
 			if (skipped != NULL)
 				*skipped = True;
-			if (FA_IS_SKIP(ea_buf[baddr].fa))
+			if (FA_IS_SKIP(h3270.ea_buf[baddr].fa))
 				baddr = next_unprotected(baddr);
 			else
 				INC_BA(baddr);
@@ -1463,15 +1463,15 @@ LIB3270_KEY_ACTION( backtab )
 		return 0;
 	baddr = h3270.cursor_addr;
 	DEC_BA(baddr);
-	if (ea_buf[baddr].fa)	/* at bof */
+	if (h3270.ea_buf[baddr].fa)	/* at bof */
 		DEC_BA(baddr);
 	sbaddr = baddr;
 	while (True) {
 		nbaddr = baddr;
 		INC_BA(nbaddr);
-		if (ea_buf[baddr].fa &&
-		    !FA_IS_PROTECTED(ea_buf[baddr].fa) &&
-		    !ea_buf[nbaddr].fa)
+		if (h3270.ea_buf[baddr].fa &&
+		    !FA_IS_PROTECTED(h3270.ea_buf[baddr].fa) &&
+		    !h3270.ea_buf[nbaddr].fa)
 			break;
 		DEC_BA(baddr);
 		if (baddr == sbaddr) {
@@ -1685,25 +1685,25 @@ do_delete(void)
 	/* Can't delete a field attribute. */
 	fa = get_field_attribute(&h3270,baddr);
-	if (FA_IS_PROTECTED(fa) || ea_buf[baddr].fa) {
+	if (FA_IS_PROTECTED(fa) || h3270.ea_buf[baddr].fa) {
 		operator_error(KL_OERR_PROTECTED);
 		return False;
 	}
-	if (ea_buf[baddr].cc == EBC_so || ea_buf[baddr].cc == EBC_si) {
+	if (h3270.ea_buf[baddr].cc == EBC_so || h3270.ea_buf[baddr].cc == EBC_si) {
 		/*
 		 * Can't delete SO or SI, unless it's adjacent to its
 		 * opposite.
 		 */
 		xaddr = baddr;
 		INC_BA(xaddr);
-		if (ea_buf[xaddr].cc == SOSI(ea_buf[baddr].cc)) {
+		if (h3270.ea_buf[xaddr].cc == SOSI(h3270.ea_buf[baddr].cc)) {
 			ndel = 2;
 		} else {
 			operator_error(KL_OERR_PROTECTED);
 			return False;
 		}
-	} else if (IS_DBCS(ea_buf[baddr].db)) {
-		if (IS_RIGHT(ea_buf[baddr].db))
+	} else if (IS_DBCS(h3270.ea_buf[baddr].db)) {
+		if (IS_RIGHT(h3270.ea_buf[baddr].db))
 			DEC_BA(baddr);
 		ndel = 2;
 	} else
@@ -1714,7 +1714,7 @@ do_delete(void)
 		end_baddr = baddr;
 		do {
 			INC_BA(end_baddr);
-			if (ea_buf[end_baddr].fa)
+			if (h3270.ea_buf[end_baddr].fa)
 				break;
 		} while (end_baddr != baddr);
 		DEC_BA(end_baddr);
@@ -1768,7 +1768,7 @@ LIB3270_ACTION( delete )
 		int baddr = hSession->cursor_addr;
 		DEC_BA(baddr);
-		if (!ea_buf[baddr].fa)
+		if (!hSession->ea_buf[baddr].fa)
 			cursor_move(baddr);
 	}
 	screen_disp(hSession);
@@ -1819,7 +1819,7 @@ do_erase(void)
 	baddr = h3270.cursor_addr;
 	faddr = find_field_attribute(&h3270,baddr);
-	if (faddr == baddr || FA_IS_PROTECTED(ea_buf[baddr].fa)) {
+	if (faddr == baddr || FA_IS_PROTECTED(h3270.ea_buf[baddr].fa)) {
 		operator_error(KL_OERR_PROTECTED);
 		return;
 	}
@@ -1830,7 +1830,7 @@ do_erase(void)
 	/*
 	 * If we are now on an SI, move left again.
 	 */
-	if (ea_buf[h3270.cursor_addr].cc == EBC_si) {
+	if (h3270.ea_buf[h3270.cursor_addr].cc == EBC_si) {
 		baddr = h3270.cursor_addr;
 		DEC_BA(baddr);
 		cursor_move(baddr);
@@ -1861,7 +1861,7 @@ do_erase(void)
 	 */
 	baddr = h3270.cursor_addr;
 	DEC_BA(baddr);
-	if (ea_buf[baddr].cc == EBC_so && ea_buf[h3270.cursor_addr].cc == EBC_si) {
+	if (h3270.ea_buf[baddr].cc == EBC_so && h3270.ea_buf[h3270.cursor_addr].cc == EBC_si) {
 		cursor_move(baddr);
 		(void) do_delete();
 	}
@@ -1994,20 +1994,20 @@ LIB3270_ACTION( previousword )
 	/* Skip to before this word, if in one now. */
 	if (!prot) {
-		c = ea_buf[baddr].cc;
-		while (!ea_buf[baddr].fa && c != EBC_space && c != EBC_null) {
+		c = h3270.ea_buf[baddr].cc;
+		while (!h3270.ea_buf[baddr].fa && c != EBC_space && c != EBC_null) {
 			DEC_BA(baddr);
 			if (baddr == h3270.cursor_addr)
 				return 0;
-			c = ea_buf[baddr].cc;
+			c = h3270.ea_buf[baddr].cc;
 		}
 	}
 	baddr0 = baddr;
 	/* Find the end of the preceding word. */
 	do {
-		c = ea_buf[baddr].cc;
-		if (ea_buf[baddr].fa) {
+		c = h3270.ea_buf[baddr].cc;
+		if (h3270.ea_buf[baddr].fa) {
 			DEC_BA(baddr);
 			prot = FA_IS_PROTECTED(get_field_attribute(&h3270,baddr));
 			continue;
@@ -2023,8 +2023,8 @@ LIB3270_ACTION( previousword )
 	/* Go it its front. */
 	for (;;) {
 		DEC_BA(baddr);
-		c = ea_buf[baddr].cc;
-		if (ea_buf[baddr].fa || c == EBC_space || c == EBC_null) {
+		c = h3270.ea_buf[baddr].cc;
+		if (h3270.ea_buf[baddr].fa || c == EBC_space || c == EBC_null) {
 			break;
 		}
 	}
@@ -2082,9 +2082,9 @@ nu_word(int baddr)
 	prot = FA_IS_PROTECTED(get_field_attribute(&h3270,baddr));
 	do {
-		c = ea_buf[baddr].cc;
-		if (ea_buf[baddr].fa)
-			prot = FA_IS_PROTECTED(ea_buf[baddr].fa);
+		c = h3270.ea_buf[baddr].cc;
+		if (h3270.ea_buf[baddr].fa)
+			prot = FA_IS_PROTECTED(h3270.ea_buf[baddr].fa);
 		else if (!prot && c != EBC_space && c != EBC_null)
 			return baddr;
 		INC_BA(baddr);
@@ -2102,8 +2102,8 @@ nt_word(int baddr)
 	Boolean in_word = True;
 	do {
-		c = ea_buf[baddr].cc;
-		if (ea_buf[baddr].fa)
+		c = h3270.ea_buf[baddr].cc;
+		if (h3270.ea_buf[baddr].fa)
 			return -1;
 		if (in_word) {
 			if (c == EBC_space || c == EBC_null)
@@ -2141,7 +2141,7 @@ LIB3270_ACTION( nextword )
 		return 0;
 	/* If not in an unprotected field, go to the next unprotected word. */
-	if (ea_buf[h3270.cursor_addr].fa ||
+	if (h3270.ea_buf[h3270.cursor_addr].fa ||
 	    FA_IS_PROTECTED(get_field_attribute(&h3270,h3270.cursor_addr))) {
 		baddr = nu_word(h3270.cursor_addr);
 		if (baddr != -1)
@@ -2157,15 +2157,15 @@ LIB3270_ACTION( nextword )
 	}
 	/* If in a word, go to just after its end. */
-	c = ea_buf[h3270.cursor_addr].cc;
+	c = h3270.ea_buf[h3270.cursor_addr].cc;
 	if (c != EBC_space && c != EBC_null) {
 		baddr = h3270.cursor_addr;
 		do {
-			c = ea_buf[baddr].cc;
+			c = h3270.ea_buf[baddr].cc;
 			if (c == EBC_space || c == EBC_null) {
 				cursor_move(baddr);
 				return 0;
-			} else if (ea_buf[baddr].fa) {
+			} else if (h3270.ea_buf[baddr].fa) {
 				baddr = nu_word(baddr);
 				if (baddr != -1)
 					cursor_move(baddr);
@@ -2304,7 +2304,7 @@ LIB3270_CURSOR_ACTION( newline )
 	baddr = (h3270.cursor_addr + h3270.cols) % (h3270.cols * h3270.rows);	/* down */
 	baddr = (baddr / h3270.cols) * h3270.cols;			/* 1st col */
 	faddr = find_field_attribute(&h3270,baddr);
-	fa = ea_buf[faddr].fa;
+	fa = h3270.ea_buf[faddr].fa;
 	if (faddr != baddr && !FA_IS_PROTECTED(fa))
 		cursor_move(baddr);
 	else
@@ -2559,7 +2559,7 @@ LIB3270_ACTION( eraseeol )
 	baddr = h3270.cursor_addr;
 	fa = get_field_attribute(&h3270,baddr);
-	if (FA_IS_PROTECTED(fa) || ea_buf[baddr].fa)
+	if (FA_IS_PROTECTED(fa) || h3270.ea_buf[baddr].fa)
 	{
 		operator_error(KL_OERR_PROTECTED);
 		return -1;
@@ -2572,7 +2572,7 @@ LIB3270_ACTION( eraseeol )
 		{
 			ctlr_add(baddr, EBC_null, 0);
 			INC_BA(baddr);
-		} while (!ea_buf[baddr].fa && BA_TO_COL(baddr) > 0);
+		} while (!h3270.ea_buf[baddr].fa && BA_TO_COL(baddr) > 0);
 		mdt_set(h3270.cursor_addr);
 	}
@@ -2592,9 +2592,9 @@ LIB3270_ACTION( eraseeol )
 		if (d == DBCS_RIGHT) {
 			baddr = h3270.cursor_addr;
 			DEC_BA(baddr);
-			ea_buf[baddr].cc = EBC_si;
+			h3270.ea_buf[baddr].cc = EBC_si;
 		} else
-			ea_buf[h3270.cursor_addr].cc = EBC_si;
+			h3270.ea_buf[h3270.cursor_addr].cc = EBC_si;
 	}
 	(void) ctlr_dbcs_postprocess();
 	screen_disp(&h3270);
@@ -2624,7 +2624,7 @@ LIB3270_ACTION( eraseeof )
 #endif /*]*/
 	baddr = hSession->cursor_addr;
 	fa = get_field_attribute(hSession,baddr);
-	if (FA_IS_PROTECTED(fa) || ea_buf[baddr].fa) {
+	if (FA_IS_PROTECTED(fa) || h3270.ea_buf[baddr].fa) {
 		operator_error(KL_OERR_PROTECTED);
 		return -1;
 	}
@@ -2632,7 +2632,7 @@ LIB3270_ACTION( eraseeof )
 		do {
 			ctlr_add(baddr, EBC_null, 0);
 			INC_BA(baddr);
-		} while (!ea_buf[baddr].fa);
+		} while (!h3270.ea_buf[baddr].fa);
 		mdt_set(hSession->cursor_addr);
 	} else {	/* erase to end of screen */
 		do {
@@ -2647,9 +2647,9 @@ LIB3270_ACTION( eraseeof )
 		if (d == DBCS_RIGHT) {
 			baddr = hSession->cursor_addr;
 			DEC_BA(baddr);
-			ea_buf[baddr].cc = EBC_si;
+			h3270.ea_buf[baddr].cc = EBC_si;
 		} else
-			ea_buf[hSession->cursor_addr].cc = EBC_si;
+			h3270.ea_buf[hSession->cursor_addr].cc = EBC_si;
 	}
 	(void) ctlr_dbcs_postprocess();
 	screen_disp(hSession);
@@ -2675,14 +2675,14 @@ LIB3270_ACTION( eraseinput )
 		/* find first field attribute */
 		baddr = 0;
 		do {
-			if (ea_buf[baddr].fa)
+			if (h3270.ea_buf[baddr].fa)
 				break;
 			INC_BA(baddr);
 		} while (baddr != 0);
 		sbaddr = baddr;
 		f = False;
 		do {
-			fa = ea_buf[baddr].fa;
+			fa = h3270.ea_buf[baddr].fa;
 			if (!FA_IS_PROTECTED(fa)) {
 				mdt_clear(baddr);
 				do {
@@ -2691,14 +2691,14 @@ LIB3270_ACTION( eraseinput )
 						cursor_move(baddr);
 						f = True;
 					}
-					if (!ea_buf[baddr].fa) {
+					if (!h3270.ea_buf[baddr].fa) {
 						ctlr_add(baddr, EBC_null, 0);
 					}
-				} while (!ea_buf[baddr].fa);
+				} while (!h3270.ea_buf[baddr].fa);
 			} else {	/* skip protected */
 				do {
 					INC_BA(baddr);
-				} while (!ea_buf[baddr].fa);
+				} while (!h3270.ea_buf[baddr].fa);
 			}
 		} while (baddr != sbaddr);
 		if (!f)
@@ -2744,7 +2744,7 @@ LIB3270_ACTION( deleteword )
 	fa = get_field_attribute(hSession,baddr);
 	/* Make sure we're on a modifiable field. */
-	if (FA_IS_PROTECTED(fa) || ea_buf[baddr].fa) {
+	if (FA_IS_PROTECTED(fa) || hSession->ea_buf[baddr].fa) {
 		operator_error(KL_OERR_PROTECTED);
 		return -1;
 	}
@@ -2753,10 +2753,10 @@ LIB3270_ACTION( deleteword )
 	for (;;) {
 		baddr = hSession->cursor_addr;
 		DEC_BA(baddr);
-		if (ea_buf[baddr].fa)
+		if (hSession->ea_buf[baddr].fa)
 			return 0;
-		if (ea_buf[baddr].cc == EBC_null ||
-		    ea_buf[baddr].cc == EBC_space)
+		if (hSession->ea_buf[baddr].cc == EBC_null ||
+		    hSession->ea_buf[baddr].cc == EBC_space)
 			do_erase();
 		else
 			break;
@@ -2766,10 +2766,10 @@ LIB3270_ACTION( deleteword )
 	for (;;) {
 		baddr = hSession->cursor_addr;
 		DEC_BA(baddr);
-		if (ea_buf[baddr].fa)
+		if (hSession->ea_buf[baddr].fa)
 			return 0;
-		if (ea_buf[baddr].cc == EBC_null ||
-		    ea_buf[baddr].cc == EBC_space)
+		if (hSession->ea_buf[baddr].cc == EBC_null ||
+		    hSession->ea_buf[baddr].cc == EBC_space)
 			break;
 		else
 			do_erase();
@@ -2809,16 +2809,16 @@ LIB3270_ACTION( deletefield )
 	baddr = hSession->cursor_addr;
 	fa = get_field_attribute(hSession,baddr);
-	if (FA_IS_PROTECTED(fa) || ea_buf[baddr].fa) {
+	if (FA_IS_PROTECTED(fa) || hSession->ea_buf[baddr].fa) {
 		operator_error(KL_OERR_PROTECTED);
 		return -1;
 	}
-	while (!ea_buf[baddr].fa)
+	while (!hSession->ea_buf[baddr].fa)
 		DEC_BA(baddr);
 	INC_BA(baddr);
 	mdt_set(hSession->cursor_addr);
 	cursor_move(baddr);
-	while (!ea_buf[baddr].fa) {
+	while (!hSession->ea_buf[baddr].fa) {
 		ctlr_add(baddr, EBC_null, 0);
 		INC_BA(baddr);
 	}
@@ -2912,15 +2912,15 @@ LIB3270_ACTION( fieldend )
 		return 0;
 	baddr = hSession->cursor_addr;
 	faddr = find_field_attribute(hSession,baddr);
-	fa = ea_buf[faddr].fa;
+	fa = hSession->ea_buf[faddr].fa;
 	if (faddr == baddr || FA_IS_PROTECTED(fa))
 		return 0;
 	baddr = faddr;
 	while (True) {
 		INC_BA(baddr);
-		c = ea_buf[baddr].cc;
-		if (ea_buf[baddr].fa)
+		c = hSession->ea_buf[baddr].cc;
+		if (hSession->ea_buf[baddr].fa)
 			break;
 		if (c != EBC_null && c != EBC_space)
 			last_nonblank = baddr;
@@ -2932,7 +2932,7 @@ LIB3270_ACTION( fieldend )
 	} else {
 		baddr = last_nonblank;
 		INC_BA(baddr);
-		if (ea_buf[baddr].fa)
+		if (h3270.ea_buf[baddr].fa)
 			baddr = last_nonblank;
 	}
 	cursor_move(baddr);
@@ -2997,7 +2997,7 @@ remargin(int lmargin)
 			ever = True;
 		}
 		faddr = find_field_attribute(&h3270,baddr);
-		fa = ea_buf[faddr].fa;
+		fa = h3270.ea_buf[faddr].fa;
 		if (faddr == baddr || FA_IS_PROTECTED(fa)) {
 			baddr = next_unprotected(baddr);
 			if (baddr <= b0)
@@ -3523,7 +3523,7 @@ kybd_prime(void)
 		return 0;
 	fa = get_field_attribute(&h3270,h3270.cursor_addr);
-	if (ea_buf[h3270.cursor_addr].fa || FA_IS_PROTECTED(fa)) {
+	if (h3270.ea_buf[h3270.cursor_addr].fa || FA_IS_PROTECTED(fa)) {
 		/*
 		 * The cursor is not in an unprotected field.  Find the
 		 * next one.
@@ -3538,7 +3538,7 @@ kybd_prime(void)
 	} else {
 		/* Already in an unprotected field.  Find its start. */
 		baddr = h3270.cursor_addr;
-		while (!ea_buf[baddr].fa) {
+		while (!h3270.ea_buf[baddr].fa) {
 			DEC_BA(baddr);
 		}
 		INC_BA(baddr);
@@ -3548,7 +3548,7 @@ kybd_prime(void)
 	cursor_move(baddr);
 	/* Erase it. */
-	while (!ea_buf[baddr].fa) {
+	while (!h3270.ea_buf[baddr].fa) {
 		ctlr_add(baddr, 0, 0);
 		len++;
 		INC_BA(baddr);
@@ -112,7 +112,7 @@
 			}
 			faddr = find_field_attribute(&h3270,baddr);
-			fa = ea_buf[faddr].fa;
+			fa = h3270.ea_buf[faddr].fa;
 			if (faddr == baddr || FA_IS_PROTECTED(fa))
 			{
 				baddr = next_unprotected(baddr);
@@ -133,7 +133,7 @@
 	if(toggled(SMART_PASTE))
 	{
 		int faddr = find_field_attribute(&h3270,h3270.cursor_addr);
-		if(FA_IS_PROTECTED(ea_buf[faddr].fa))
+		if(FA_IS_PROTECTED(h3270.ea_buf[faddr].fa))
 			h3270.cursor_addr++;
 		else
 			key_ACharacter(c, KT_STD, IA_PASTE, NULL);
@@ -191,7 +191,7 @@ LIB3270_EXPORT int lib3270_set_string(H3270 *h, const unsigned char *str)
 				baddr = (h->cursor_addr + h->cols) % (h->cols * h->rows);   /* down */
 				baddr = (baddr / h->cols) * h->cols;               /* 1st col */
 				faddr = find_field_attribute(h,baddr);
-				fa = ea_buf[faddr].fa;
+				fa = h3270.ea_buf[faddr].fa;
 				if (faddr != baddr && !FA_IS_PROTECTED(fa))
 					cursor_move(baddr);
 				else
@@ -151,7 +151,7 @@ fprint_screen(FILE *f, Boolean even_if_empty, Boolean use_html)
 	int nr = 0;
 	Boolean any = False;
 	int fa_addr = find_field_attribute(&h3270,0);
-	unsigned char fa = ea_buf[fa_addr].fa;
+	unsigned char fa = h3270.ea_buf[fa_addr].fa;
 	int fa_color, current_color;
 	Bool fa_high, current_high;
@@ -159,13 +159,13 @@ fprint_screen(FILE *f, Boolean even_if_empty, Boolean use_html)
 		even_if_empty = True;
 	}
-	if (ea_buf[fa_addr].fg)
-		fa_color = ea_buf[fa_addr].fg & 0x0f;
+	if (h3270.ea_buf[fa_addr].fg)
+		fa_color = h3270.ea_buf[fa_addr].fg & 0x0f;
 	else
 		fa_color = color_from_fa(fa);
 	current_color = fa_color;
-	if (ea_buf[fa_addr].gr & GR_INTENSIFY)
+	if (h3270.ea_buf[fa_addr].gr & GR_INTENSIFY)
 		fa_high = True;
 	else
 		fa_high = FA_IS_HIGH(fa);
@@ -181,14 +181,14 @@ fprint_screen(FILE *f, Boolean even_if_empty, Boolean use_html)
 			nr++;
 			ns = 0;
 		}
-		if (ea_buf[i].fa) {
+		if (h3270.ea_buf[i].fa) {
 			c = ' ';
-			fa = ea_buf[i].fa;
-			if (ea_buf[i].fg)
-				fa_color = ea_buf[i].fg & 0x0f;
+			fa = h3270.ea_buf[i].fa;
+			if (h3270.ea_buf[i].fg)
+				fa_color = h3270.ea_buf[i].fg & 0x0f;
 			else
 				fa_color = color_from_fa(fa);
-			if (ea_buf[i].gr & GR_INTENSIFY)
+			if (h3270.ea_buf[i].gr & GR_INTENSIFY)
 				fa_high = True;
 			else
 				fa_high = FA_IS_HIGH(fa);
@@ -215,7 +215,7 @@ fprint_screen(FILE *f, Boolean even_if_empty, Boolean use_html)
 		}
 #else /*][*/
 		else
-			c = ebc2asc[ea_buf[i].cc];
+			c = ebc2asc[h3270.ea_buf[i].cc];
 #endif /*]*/
 		if (c == ' ')
 			ns++;
@@ -232,8 +232,8 @@ fprint_screen(FILE *f, Boolean even_if_empty, Boolean use_html)
 				int color;
 				Bool high;
-				if (ea_buf[i].fg)
-					color = ea_buf[i].fg & 0x0f;
+				if (h3270.ea_buf[i].fg)
+					color = h3270.ea_buf[i].fg & 0x0f;
 				else
 					color = fa_color;
 				if (color != current_color) {
@@ -242,7 +242,7 @@ fprint_screen(FILE *f, Boolean even_if_empty, Boolean use_html)
 							html_color(color));
 					current_color = color;
 				}
-				if (ea_buf[i].gr & GR_INTENSIFY)
+				if (h3270.ea_buf[i].gr & GR_INTENSIFY)
 					high = True;
 				else
 					high = fa_high;
@@ -99,12 +99,12 @@ void set_display_charset(char *dcs)
 static void addch(H3270 *session, int baddr, unsigned char c, unsigned short attr)
 {
-	if(ea_buf[baddr].chr == c && ea_buf[baddr].attr == attr)
+	if(session->ea_buf[baddr].chr == c && session->ea_buf[baddr].attr == attr)
 			return;
 	/* Converted char has changed, update it */
-	ea_buf[baddr].chr  = c;
-	ea_buf[baddr].attr = attr;
+	session->ea_buf[baddr].chr  = c;
+	session->ea_buf[baddr].attr = attr;
 	if(session->update)
 		session->update(session,baddr,c,attr,baddr == session->cursor_addr);
@@ -161,10 +161,10 @@ static unsigned short calc_attrs(int baddr, int fa_addr, int fa)
 	/* Monochrome is easy, and so is color if nothing is specified. */
 	if (!appres.m3279 ||
-		(!ea_buf[baddr].fg &&
-		 !ea_buf[fa_addr].fg &&
-		 !ea_buf[baddr].bg &&
-		 !ea_buf[fa_addr].bg))
+		(!h3270.ea_buf[baddr].fg &&
+		 !h3270.ea_buf[fa_addr].fg &&
+		 !h3270.ea_buf[baddr].bg &&
+		 !h3270.ea_buf[fa_addr].bg))
 	{
 		a = color_from_fa(fa);
 	}
@@ -172,23 +172,23 @@ static unsigned short calc_attrs(int baddr, int fa_addr, int fa)
 	{
 		/* The current location or the fa specifies the fg or bg. */
-		if (ea_buf[baddr].fg)
+		if (h3270.ea_buf[baddr].fg)
 		{
-			fg = ea_buf[baddr].fg & 0x0f;
+			fg = h3270.ea_buf[baddr].fg & 0x0f;
 		}
-		else if (ea_buf[fa_addr].fg)
+		else if (h3270.ea_buf[fa_addr].fg)
 		{
-			fg = ea_buf[fa_addr].fg & 0x0f;
+			fg = h3270.ea_buf[fa_addr].fg & 0x0f;
 		}
 		else
 		{
 			fg = DEFCOLOR_MAP(fa);
 		}
-		if (ea_buf[baddr].bg)
-			bg = ea_buf[baddr].bg & 0x0f;
-		else if (ea_buf[fa_addr].bg)
-			bg = ea_buf[fa_addr].bg & 0x0f;
+		if (h3270.ea_buf[baddr].bg)
+			bg = h3270.ea_buf[baddr].bg & 0x0f;
+		else if (h3270.ea_buf[fa_addr].bg)
+			bg = h3270.ea_buf[fa_addr].bg & 0x0f;
 		else
 			bg = 0;
@@ -197,10 +197,10 @@ static unsigned short calc_attrs(int baddr, int fa_addr, int fa)
 	/* Compute the display attributes. */
-	if (ea_buf[baddr].gr)
-		gr = ea_buf[baddr].gr;
-	else if (ea_buf[fa_addr].gr)
-		gr = ea_buf[fa_addr].gr;
+	if (h3270.ea_buf[baddr].gr)
+		gr = h3270.ea_buf[baddr].gr;
+	else if (h3270.ea_buf[fa_addr].gr)
+		gr = h3270.ea_buf[fa_addr].gr;
 	else
 		gr = 0;
@@ -271,8 +271,8 @@ LIB3270_EXPORT int lib3270_get_contents(H3270 *h, int first, int last, unsigned 
 	for(baddr = first; baddr <= last;baddr++)
 	{
-		*(chr++)  = ea_buf[baddr].chr ? ea_buf[baddr].chr : ' ';
-		*(attr++) = ea_buf[baddr].attr;
+		*(chr++)  = h3270.ea_buf[baddr].chr ? h3270.ea_buf[baddr].chr : ' ';
+		*(attr++) = h3270.ea_buf[baddr].attr;
 	}
 	return 0;
@@ -294,13 +294,13 @@ int screen_read(char *dest, int baddr, int count)
 			return EFAULT;
 		}
-		if (ea_buf[baddr].fa)
-			fa = ea_buf[baddr].fa;
+		if (h3270.ea_buf[baddr].fa)
+			fa = h3270.ea_buf[baddr].fa;
 		if(FA_IS_ZERO(fa))
 			*dest = ' ';
-		else if(ea_buf[baddr].cc)
-			*dest = ebc2asc[ea_buf[baddr].cc];
+		else if(h3270.ea_buf[baddr].cc)
+			*dest = ebc2asc[h3270.ea_buf[baddr].cc];
 		else
 			*dest = ' ';
@@ -329,11 +329,11 @@ static void screen_update(H3270 *session, int bstart, int bend)
 	for(baddr = bstart; baddr < bend; baddr++)
 	{
-		if(ea_buf[baddr].fa)
+		if(session->ea_buf[baddr].fa)
 		{
 			// Field attribute.
 			fa_addr = baddr;
-			fa = ea_buf[baddr].fa;
+			fa = session->ea_buf[baddr].fa;
 			a = calc_attrs(baddr, baddr, fa);
 			addch(session,baddr,' ',(attr = COLOR_GREEN)|CHAR_ATTR_MARKER);
 		}
@@ -345,7 +345,7 @@ static void screen_update(H3270 *session, int bstart, int bend)
 		else
 		{
 			// Normal text.
-			if (!(ea_buf[baddr].gr || ea_buf[baddr].fg || ea_buf[baddr].bg))
+			if (!(session->ea_buf[baddr].gr || session->ea_buf[baddr].fg || session->ea_buf[baddr].bg))
 			{
 				attr = a;
 			}
@@ -361,20 +361,20 @@ static void screen_update(H3270 *session, int bstart, int bend)
 				attr = calc_attrs(baddr, fa_addr, fa);
 			}
-			if (ea_buf[baddr].cs == CS_LINEDRAW)
+			if (session->ea_buf[baddr].cs == CS_LINEDRAW)
 			{
-				addch(session,baddr,ea_buf[baddr].cc,attr);
+				addch(session,baddr,session->ea_buf[baddr].cc,attr);
 			}
-			else if (ea_buf[baddr].cs == CS_APL || (ea_buf[baddr].cs & CS_GE))
+			else if (session->ea_buf[baddr].cs == CS_APL || (session->ea_buf[baddr].cs & CS_GE))
 			{
-				addch(session,baddr,ea_buf[baddr].cc,attr|CHAR_ATTR_CG);
+				addch(session,baddr,session->ea_buf[baddr].cc,attr|CHAR_ATTR_CG);
 			}
 			else
 			{
 				if (toggled(MONOCASE))
-					addch(session,baddr,asc2uc[ebc2asc[ea_buf[baddr].cc]],attr);
+					addch(session,baddr,asc2uc[ebc2asc[session->ea_buf[baddr].cc]],attr);
 				else
-					addch(session,baddr,ebc2asc[ea_buf[baddr].cc],attr);
+					addch(session,baddr,ebc2asc[session->ea_buf[baddr].cc],attr);
 			}
 		}
@@ -419,7 +419,7 @@ LIB3270_EXPORT int lib3270_set_cursor_address(H3270 *h, int baddr)
 	h->cursor_addr = baddr;
 	if(h->update_cursor)
-		h->update_cursor(h,(unsigned short) (baddr/h->cols),(unsigned short) (baddr%h->cols),ea_buf[baddr].chr,ea_buf[baddr].attr);
+		h->update_cursor(h,(unsigned short) (baddr/h->cols),(unsigned short) (baddr%h->cols),h->ea_buf[baddr].chr,h->ea_buf[baddr].attr);
     return ret;
 }
@@ -778,10 +778,10 @@ LIB3270_ACTION( testpattern )
 			}
 			pos = 0;
 		}
-		ea_buf[f].fg = fg;
-		ea_buf[f].bg = (fg == COLOR_BLACK) ? COLOR_WHITE : COLOR_BLACK;
-		ea_buf[f].cs = pat[row].cs;
-		ea_buf[f].cc = pat[row].cc[pos++];
+		hSession->ea_buf[f].fg = fg;
+		hSession->ea_buf[f].bg = (fg == COLOR_BLACK) ? COLOR_WHITE : COLOR_BLACK;
+		hSession->ea_buf[f].cs = pat[row].cs;
+		hSession->ea_buf[f].cc = pat[row].cc[pos++];
 	}
 	Trace("%s display",__FUNCTION__);
@@ -67,10 +67,10 @@ static void update_selected_rectangle(H3270 *session)
 	{
 		for(col = 0; col < session->cols;col++)
 		{
-			if(!(row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && (ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
+			if(!(row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && (session->ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
 			{
-				ea_buf[baddr].attr &= ~LIB3270_ATTR_SELECTED;
-				session->update(session,baddr,ea_buf[baddr].chr,ea_buf[baddr].attr,baddr == session->cursor_addr);
+				session->ea_buf[baddr].attr &= ~LIB3270_ATTR_SELECTED;
+				session->update(session,baddr,session->ea_buf[baddr].chr,session->ea_buf[baddr].attr,baddr == session->cursor_addr);
 			}
 			baddr++;
 		}
@@ -82,10 +82,10 @@ static void update_selected_rectangle(H3270 *session)
 	{
 		for(col = 0; col < session->cols;col++)
 		{
-			if((row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && !(ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
+			if((row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && !(session->ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
 			{
-				ea_buf[baddr].attr |= LIB3270_ATTR_SELECTED;
-				session->update(session,baddr,ea_buf[baddr].chr,ea_buf[baddr].attr,baddr == session->cursor_addr);
+				session->ea_buf[baddr].attr |= LIB3270_ATTR_SELECTED;
+				session->update(session,baddr,session->ea_buf[baddr].chr,session->ea_buf[baddr].attr,baddr == session->cursor_addr);
 			}
 			baddr++;
 		}
@@ -110,29 +110,29 @@ static void update_selected_region(H3270 *session)
 	// First remove unselected areas
 	for(baddr = 0; baddr < begin; baddr++)
 	{
-		if(ea_buf[baddr].attr & LIB3270_ATTR_SELECTED)
+		if(session->ea_buf[baddr].attr & LIB3270_ATTR_SELECTED)
 		{
-			ea_buf[baddr].attr &= ~LIB3270_ATTR_SELECTED;
-			session->update(session,baddr,ea_buf[baddr].chr,ea_buf[baddr].attr,baddr == session->cursor_addr);
+			session->ea_buf[baddr].attr &= ~LIB3270_ATTR_SELECTED;
+			session->update(session,baddr,session->ea_buf[baddr].chr,session->ea_buf[baddr].attr,baddr == session->cursor_addr);
 		}
 	}
 	for(baddr = end+1; baddr < len; baddr++)
 	{
-		if(ea_buf[baddr].attr & LIB3270_ATTR_SELECTED)
+		if(session->ea_buf[baddr].attr & LIB3270_ATTR_SELECTED)
 		{
-			ea_buf[baddr].attr &= ~LIB3270_ATTR_SELECTED;
-			session->update(session,baddr,ea_buf[baddr].chr,ea_buf[baddr].attr,baddr == session->cursor_addr);
+			session->ea_buf[baddr].attr &= ~LIB3270_ATTR_SELECTED;
+			session->update(session,baddr,session->ea_buf[baddr].chr,session->ea_buf[baddr].attr,baddr == session->cursor_addr);
 		}
 	}
 	// Then draw the selected ones
 	for(baddr = begin; baddr <= end; baddr++)
 	{
-		if(!(ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
+		if(!(session->ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
 		{
-			ea_buf[baddr].attr |= LIB3270_ATTR_SELECTED;
-			session->update(session,baddr,ea_buf[baddr].chr,ea_buf[baddr].attr,baddr == session->cursor_addr);
+			session->ea_buf[baddr].attr |= LIB3270_ATTR_SELECTED;
+			session->update(session,baddr,session->ea_buf[baddr].chr,session->ea_buf[baddr].attr,baddr == session->cursor_addr);
 		}
 	}
@@ -173,22 +173,23 @@ LIB3270_ACTION(unselect)
 	CHECK_SESSION_HANDLE(hSession);
 	if(!hSession->selected)
-		return;
+		return 0;
 	hSession->selected = 0;
 	for(a = 0; a < hSession->rows*hSession->cols; a++)
 	{
-		if(ea_buf[a].attr & LIB3270_ATTR_SELECTED)
+		if(hSession->ea_buf[a].attr & LIB3270_ATTR_SELECTED)
 		{
-			ea_buf[a].attr &= ~LIB3270_ATTR_SELECTED;
+			hSession->ea_buf[a].attr &= ~LIB3270_ATTR_SELECTED;
 			if(hSession->update)
-				hSession->update(hSession,a,ea_buf[a].chr,ea_buf[a].attr,a == hSession->cursor_addr);
+				hSession->update(hSession,a,hSession->ea_buf[a].chr,hSession->ea_buf[a].attr,a == hSession->cursor_addr);
 		}
 	}
 	hSession->set_selection(hSession,0);
+	return 0;
 }
 LIB3270_EXPORT void lib3270_select_to(H3270 *session, int baddr)
@@ -216,17 +217,17 @@ LIB3270_EXPORT void lib3270_select_word(H3270 *session, int baddr)
 	CHECK_SESSION_HANDLE(session);
-	if(!lib3270_connected(session) || isspace(ea_buf[baddr].chr))
+	if(!lib3270_connected(session) || isspace(session->ea_buf[baddr].chr))
 	{
 		lib3270_ring_bell(session);
 		return;
 	}
-	for(pos = baddr; pos > 0 && !isspace(ea_buf[pos].chr);pos--);
+	for(pos = baddr; pos > 0 && !isspace(session->ea_buf[pos].chr);pos--);
 	session->select.begin = pos > 0 ? pos+1 : 0;
 	len = session->rows * session->cols;
-	for(pos = baddr; pos < len && !isspace(ea_buf[pos].chr);pos++);
+	for(pos = baddr; pos < len && !isspace(session->ea_buf[pos].chr);pos++);
 	session->select.end = pos < len ? pos-1 : len;
 	set_selected(session);
@@ -271,6 +272,7 @@ LIB3270_ACTION( selectfield )
 {
 	CHECK_SESSION_HANDLE(hSession);
 	lib3270_select_field_at(hSession,hSession->cursor_addr);
+	return 0;
 }
 LIB3270_ACTION( selectall )
@@ -283,14 +285,16 @@ LIB3270_ACTION( selectall )
 	// First remove unselected areas
 	for(baddr = 0; baddr < len; baddr++)
 	{
-		if(!(ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
+		if(!(hSession->ea_buf[baddr].attr & LIB3270_ATTR_SELECTED))
 		{
-			ea_buf[baddr].attr |= LIB3270_ATTR_SELECTED;
-			hSession->update(hSession,baddr,ea_buf[baddr].chr,ea_buf[baddr].attr,baddr == hSession->cursor_addr);
+			hSession->ea_buf[baddr].attr |= LIB3270_ATTR_SELECTED;
+			hSession->update(hSession,baddr,hSession->ea_buf[baddr].chr,hSession->ea_buf[baddr].attr,baddr == hSession->cursor_addr);
 		}
 	}
 	set_selected(hSession);
+
+	return 0;
 }
 LIB3270_ACTION( reselect )
@@ -298,8 +302,11 @@ LIB3270_ACTION( reselect )
 	CHECK_SESSION_HANDLE(hSession);
 	if(hSession->selected || hSession->select.begin == hSession->select.end)
-		return;
+		return 0;
 	update_selection(hSession);
 	set_selected(hSession);
+
+	return 0;
 }
+
	@@ -36,6 +36,24 @@		@@ -36,6 +36,24 @@
36	#define LIB3270_LUNAME_LENGTH 16	36	#define LIB3270_LUNAME_LENGTH 16
37	#define LIB3270_FULL_MODEL_NAME_LENGTH 13	37	#define LIB3270_FULL_MODEL_NAME_LENGTH 13
38		38
		39	+ /** extended attributes */
		40	+ struct ea
		41	+ {
		42	+ unsigned char cc; /*< EBCDIC or ASCII character code /
		43	+ unsigned char fa; /*< field attribute, it nonzero /
		44	+ unsigned char fg; /*< foreground color (0x00 or 0xf<n>) /
		45	+ unsigned char bg; /*< background color (0x00 or 0xf<n>) /
		46	+ unsigned char gr; /*< ANSI graphics rendition bits /
		47	+ unsigned char cs; /*< character set (GE flag, or 0..2) /
		48	+ unsigned char ic; /*< input control (DBCS) /
		49	+ unsigned char db; /*< DBCS state /
		50	+
		51	+ /* Updated by addch() */
		52	+ unsigned char chr; /*< ASCII character code /
		53	+ unsigned short attr; /*< Converted character attribute (color & etc) /
		54	+
		55	+ };
		56	+
39	struct _h3270	57	struct _h3270
40	{	58	{
41	unsigned short sz; /*< Struct size /	59	unsigned short sz; /*< Struct size /
	@@ -79,8 +97,6 @@		@@ -79,8 +97,6 @@
79	// screen info	97	// screen info
80	int ov_rows;	98	int ov_rows;
81	int ov_cols;	99	int ov_cols;
82	-// int first_changed;
83	-// int last_changed;
84	int maxROWS;	100	int maxROWS;
85	int maxCOLS;	101	int maxCOLS;
86	unsigned short rows;	102	unsigned short rows;
	@@ -92,6 +108,8 @@		@@ -92,6 +108,8 @@
92		108
93	int formatted; /*< set in screen_disp /	109	int formatted; /*< set in screen_disp /
94		110
		111	+ struct ea * ea_buf; /*< 3270 device buffer. ea_buf[-1] is the dummy default field attribute /
		112	+
95	// host.c	113	// host.c
96	char std_ds_host;	114	char std_ds_host;
97	char no_login_host;	115	char no_login_host;
	@@ -183,23 +183,6 @@		@@ -183,23 +183,6 @@
183	#define PW3270_DIALOG_CRITICAL LIB3270_NOTIFY_CRITICAL	183	#define PW3270_DIALOG_CRITICAL LIB3270_NOTIFY_CRITICAL
184	#define PW3270_DIALOG LIB3270_NOTIFY	184	#define PW3270_DIALOG LIB3270_NOTIFY
185		185
186	- /** extended attributes */
187	- struct ea
188	- {
189	- unsigned char cc; /*< EBCDIC or ASCII character code /
190	- unsigned char fa; /*< field attribute, it nonzero /
191	- unsigned char fg; /*< foreground color (0x00 or 0xf<n>) /
192	- unsigned char bg; /*< background color (0x00 or 0xf<n>) /
193	- unsigned char gr; /*< ANSI graphics rendition bits /
194	- unsigned char cs; /*< character set (GE flag, or 0..2) /
195	- unsigned char ic; /*< input control (DBCS) /
196	- unsigned char db; /*< DBCS state /
197	-
198	- /* Updated by addch() */
199	- unsigned char chr; /*< ASCII character code /
200	- unsigned short attr; /*< Converted character attribute (color & etc) /
201	-
202	- };
203	#define GR_BLINK 0x01	186	#define GR_BLINK 0x01
204	#define GR_REVERSE 0x02	187	#define GR_REVERSE 0x02
205	#define GR_UNDERLINE 0x04	188	#define GR_UNDERLINE 0x04
	@@ -112,7 +112,7 @@		@@ -112,7 +112,7 @@
112	}	112	}
113		113
114	faddr = find_field_attribute(&h3270,baddr);	114	faddr = find_field_attribute(&h3270,baddr);
115	- fa = ea_buf[faddr].fa;	115	+ fa = h3270.ea_buf[faddr].fa;
116	if (faddr == baddr \|\| FA_IS_PROTECTED(fa))	116	if (faddr == baddr \|\| FA_IS_PROTECTED(fa))
117	{	117	{
118	baddr = next_unprotected(baddr);	118	baddr = next_unprotected(baddr);
	@@ -133,7 +133,7 @@		@@ -133,7 +133,7 @@
133	if(toggled(SMART_PASTE))	133	if(toggled(SMART_PASTE))
134	{	134	{
135	int faddr = find_field_attribute(&h3270,h3270.cursor_addr);	135	int faddr = find_field_attribute(&h3270,h3270.cursor_addr);
136	- if(FA_IS_PROTECTED(ea_buf[faddr].fa))	136	+ if(FA_IS_PROTECTED(h3270.ea_buf[faddr].fa))
137	h3270.cursor_addr++;	137	h3270.cursor_addr++;
138	else	138	else
139	key_ACharacter(c, KT_STD, IA_PASTE, NULL);	139	key_ACharacter(c, KT_STD, IA_PASTE, NULL);
	@@ -191,7 +191,7 @@ LIB3270_EXPORT int lib3270_set_string(H3270 h, const unsigned char str)		@@ -191,7 +191,7 @@ LIB3270_EXPORT int lib3270_set_string(H3270 h, const unsigned char str)
191	baddr = (h->cursor_addr + h->cols) % (h->cols * h->rows); /* down */	191	baddr = (h->cursor_addr + h->cols) % (h->cols * h->rows); /* down */
192	baddr = (baddr / h->cols) * h->cols; /* 1st col */	192	baddr = (baddr / h->cols) * h->cols; /* 1st col */
193	faddr = find_field_attribute(h,baddr);	193	faddr = find_field_attribute(h,baddr);
194	- fa = ea_buf[faddr].fa;	194	+ fa = h3270.ea_buf[faddr].fa;
195	if (faddr != baddr && !FA_IS_PROTECTED(fa))	195	if (faddr != baddr && !FA_IS_PROTECTED(fa))
196	cursor_move(baddr);	196	cursor_move(baddr);
197	else	197	else