Revert the arguments if they are in a different order.

1999-03-08  Miguel de Icaza  <miguel@nuclecu.unam.mx>

	* src/sheet.c (sheet_cell_foreach_range): Revert the arguments if
	they are in a different order.

ChangeLog-1999-07-09

+1999-03-08  Miguel de Icaza  <miguel@nuclecu.unam.mx>
+
+	* src/sheet.c (sheet_cell_foreach_range): Revert the arguments if
+	they are in a different order.
+
 1999-03-08  Takashi Matsuda <matsu@arch.comp.kyutech.ac.jp>
 
 	* plugins: new text plugin. 	

ChangeLog-2000-02-23

+1999-03-08  Miguel de Icaza  <miguel@nuclecu.unam.mx>
+
+	* src/sheet.c (sheet_cell_foreach_range): Revert the arguments if
+	they are in a different order.
+
 1999-03-08  Takashi Matsuda <matsu@arch.comp.kyutech.ac.jp>
 
 	* plugins: new text plugin. 	

OChangeLog-1999-07-09

+1999-03-08  Miguel de Icaza  <miguel@nuclecu.unam.mx>
+
+	* src/sheet.c (sheet_cell_foreach_range): Revert the arguments if
+	they are in a different order.
+
 1999-03-08  Takashi Matsuda <matsu@arch.comp.kyutech.ac.jp>
 
 	* plugins: new text plugin. 	

OChangeLog-2000-02-23

+1999-03-08  Miguel de Icaza  <miguel@nuclecu.unam.mx>
+
+	* src/sheet.c (sheet_cell_foreach_range): Revert the arguments if
+	they are in a different order.
+
 1999-03-08  Takashi Matsuda <matsu@arch.comp.kyutech.ac.jp>
 
 	* plugins: new text plugin. 	

src/func.c

@@ -98,7 +98,7 @@ function_iterate_do_value (Sheet                   *sheet,
 		cell_get_abs_col_row (&value->v.cell_range.cell_b,
 				      eval_col, eval_row,
 				      &end_col, &end_row);
-		
+
 		ret = sheet_cell_foreach_range (
 			sheet, TRUE,
 			start_col, start_row,

src/sheet.c

@@ -1782,6 +1782,8 @@ sheet_cell_fetch (Sheet *sheet, int col, int row)
 	return cell;
 }
 
+#define SWAP_INT(a,b) do { int t; t = a; a = b; b = t; } while (0)
+
 /**
  * sheet_cell_foreach_range:
  *
@@ -1807,7 +1809,13 @@ sheet_cell_foreach_range (Sheet *sheet, int only_existing,
 	g_return_val_if_fail (sheet != NULL, FALSE);
 	g_return_val_if_fail (IS_SHEET (sheet), FALSE); 
 	g_return_val_if_fail (callback != NULL, FALSE);
+
+	if (start_col > end_col)
+		SWAP_INT (start_col, end_col);
 	
+	if (start_row > end_row)
+		SWAP_INT (start_row, end_row);
+		
 	col = sheet->cols_info;
 	for (; col; col = col->next){
 		ColRowInfo *ci = col->data;