XL sets the size of impossible cols sometimes.

plugins/excel/ChangeLog

+1999-09-26  Jody Goldberg <jgoldberg@home.com>
+
+	* ms-excel-read.c (ms_excel_read_cell:COLINFO) : Seems like
+	  XL periodically sends column widths for phantom columns.
+
 1999-09-26  Michael Meeks  <michael@nuclecu.unam.mx>
 
 	* ms-excel-read.c (biff_name_data_new): add sheet scope.

plugins/excel/ms-excel-read.c

@@ -389,16 +389,16 @@ biff_boundsheet_data_new (ExcelWorkbook *wb, BiffQuery *q, eBiff_version ver)
 	}
 	ans->streamStartPos = MS_OLE_GET_GUINT32 (q->data);
 	switch (MS_OLE_GET_GUINT8 (q->data + 4)) {
-	case 00:
+	case 0:
 		ans->type = eBiffTWorksheet;
 		break;
-	case 01:
+	case 1:
 		ans->type = eBiffTMacrosheet;
 		break;
-	case 02:
+	case 2:
 		ans->type = eBiffTChart;
 		break;
-	case 06:
+	case 6:
 		ans->type = eBiffTVBModule;
 		break;
 	default:
@@ -962,8 +962,8 @@ typedef struct _BiffXFData {
 	gboolean wrap;
 	guint8 rotation;
 	eBiff_eastern eastern;
-	guint8 border_color[4];	        /* Array [StyleSide] */
-	StyleBorderType border_type[4];	/* Array [StyleSide] */
+	guint8 border_color[STYLE_ORIENT_MAX];
+	StyleBorderType border_type[STYLE_ORIENT_MAX];
 	eBiff_border_orientation border_orientation;
 	StyleBorderType border_linestyle;
 	guint8 fill_pattern_idx;
@@ -2197,7 +2197,7 @@ ms_excel_read_cell (BiffQuery *q, ExcelSheet *sheet)
 		BiffXFData const *xf = NULL;
 		BiffFontData const *fd = NULL;
 		guint16 const firstcol = MS_OLE_GET_GUINT16(q->data);
-		guint16 const lastcol  = MS_OLE_GET_GUINT16(q->data+2);
+		guint16       lastcol  = MS_OLE_GET_GUINT16(q->data+2);
 		guint16       width    = MS_OLE_GET_GUINT16(q->data+4);
 		guint16 const cols_xf  = MS_OLE_GET_GUINT16(q->data+6);
 		guint16 const options  = MS_OLE_GET_GUINT16(q->data+8);
@@ -2246,7 +2246,11 @@ ms_excel_read_cell (BiffQuery *q, ExcelSheet *sheet)
 		 * horizontally. (NOTE : this is different from vertically)
 		 */
 		width *= .70;
-		for (lp=firstcol;lp<=lastcol;lp++)
+
+		/* NOTE : seems like this is inclusive firstcol, inclusive lastcol */
+		if (lastcol >= SHEET_MAX_COLS)
+			lastcol = SHEET_MAX_COLS-1;
+		for (lp = firstcol ; lp <= lastcol ; ++lp)
 			sheet_col_set_width (sheet->gnum_sheet, lp,
 					     width);
 		break;
@@ -2490,7 +2494,6 @@ ms_excel_read_sheet (ExcelSheet *sheet, BiffQuery *q, ExcelWorkbook *wb)
 						sheet->gnum_sheet->name);
 			}
 			return TRUE;
-			break;
 
 		case BIFF_OBJ: /* See: ms-obj.c and S59DAD.HTM */
 			sheet->obj_queue = g_list_append (sheet->obj_queue,