* charsets.c (convert_to_display): Don't crash on empty read

only strings.
(convert_from_input): Likewise.
Reported by David Martin <dmartina@excite.com>

src/ChangeLog

@@ -1,5 +1,10 @@
 2002-11-11  Pavel Roskin  <proski@gnu.org>
 
+	* charsets.c (convert_to_display): Don't crash on empty read
+	only strings.
+	(convert_from_input): Likewise.
+	Reported by David Martin <dmartina@excite.com>
+
 	* screen.c (select_item): Don't show the file selection if the
 	panel is inactive.
 	(chdir_other_panel): Select the same file on the other panel.

src/charsets.c

@@ -230,8 +230,10 @@ convert_to_display (char *str)
     if (!str)
 	return;
 
-    while ((*str = conv_displ[(unsigned char) *str]))
+    while (*str) {
+	*str = conv_displ[(unsigned char) *str];
 	str++;
+    }
 }
 
 void
@@ -240,7 +242,9 @@ convert_from_input (char *str)
     if (!str)
 	return;
 
-    while ((*str = conv_input[(unsigned char) *str]))
+    while (*str) {
+	*str = conv_input[(unsigned char) *str];
 	str++;
+    }
 }
 #endif				/* HAVE_CHARSET */