[w3m-dev 03794] displayBuffer() when CurrentTab == NULL.

* display.c (displayBuffer): check buf
* linein.c (inputLineHistSearch): check CurrentTab
	(next_dcompl): check CurrentTab
	(_editor): check CurrentTab
* main.c (resize_screen): check CurrentTab
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

4 files changed, 24 insertions, 9 deletions

diff --git a/ChangeLog b/ChangeLog
index 43501e5..9aaae9e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2003-03-06  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
+	* [w3m-dev 03794] displayBuffer() when CurrentTab == NULL.
+	* display.c (displayBuffer): check buf
+	* linein.c (inputLineHistSearch): check CurrentTab
+		(next_dcompl): check CurrentTab
+		(_editor): check CurrentTab
+	* main.c (resize_screen): check CurrentTab
+
 2003-03-06  Fumitoshi UKAI  <ukai@debian.or.jp>
 
 	* [w3m-dev 03793] incremental search fix
@@ -7317,4 +7326,4 @@ a	* [w3m-dev 03276] compile error on EWS4800
 	* release-0-2-1
 	* import w3m-0.2.1
 
-$Id: ChangeLog,v 1.772 2003/03/05 18:56:28 ukai Exp $
+$Id: ChangeLog,v 1.773 2003/03/06 14:30:19 ukai Exp $
diff --git a/display.c b/display.c
index 31d77f9..d0897e4 100644
--- a/display.c
+++ b/display.c
@@ -1,4 +1,4 @@
-/* $Id: display.c,v 1.64 2003/02/06 17:16:56 ukai Exp $ */
+/* $Id: display.c,v 1.65 2003/03/06 14:30:25 ukai Exp $ */
 #include <signal.h>
 #include "fm.h"
 
@@ -372,6 +372,8 @@ displayBuffer(Buffer *buf, int mode)
     Str msg;
     int ny = 0;
 
+    if (!buf)
+	return;
     if (buf->topLine == NULL && readBufferCache(buf) == 0) {	/* clear_buffer */
 	mode = B_FORCE_REDRAW;
     }
diff --git a/linein.c b/linein.c
index 77a07ed..1887b31 100644
--- a/linein.c
+++ b/linein.c
@@ -1,4 +1,4 @@
-/* $Id: linein.c,v 1.27 2003/02/05 16:43:58 ukai Exp $ */
+/* $Id: linein.c,v 1.28 2003/03/06 14:30:26 ukai Exp $ */
 #include "fm.h"
 #include "local.h"
 #include "myctype.h"
@@ -287,8 +287,10 @@ inputLineHistSearch(char *prompt, char *def_str, int flag, Hist *hist,
 	    break;
     } while (i_cont);
 
-    if (need_redraw)
-	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    if (CurrentTab) {
+	if (need_redraw)
+	    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    }
 
 #ifdef SUPPORT_WIN9X_CONSOLE_MBCS
     disable_win9x_console_input();
@@ -755,7 +757,8 @@ next_dcompl(int next)
     if (cm_mode == CPL_NEVER || cm_mode & CPL_OFF)
 	return;
     cm_disp_clear = FALSE;
-    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    if (CurrentTab)
+        displayBuffer(Currentbuf, B_FORCE_REDRAW);
 
     if (LASTLINE >= 3) {
 	comment = TRUE;
@@ -1150,5 +1153,6 @@ _editor(void)
 	Strcat_char(strBuf, *p);
     }
     CLen = CPos = setStrType(strBuf, strProp);
-    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    if (CurrentTab)
+        displayBuffer(Currentbuf, B_FORCE_REDRAW);
 }
diff --git a/main.c b/main.c
index 01fac65..a7822a1 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.217 2003/03/05 18:56:28 ukai Exp $ */
+/* $Id: main.c,v 1.218 2003/03/06 14:30:27 ukai Exp $ */
 #define MAINPROGRAM
 #include "fm.h"
 #include <signal.h>
@@ -1375,7 +1375,7 @@ resize_screen(void)
 {
     setlinescols();
     setupscreen();
-    if (Currentbuf)
+    if (CurrentTab)
 	displayBuffer(Currentbuf, B_FORCE_REDRAW);
 }
 #endif				/* SIGWINCH */