use st_add and st_mult for allocation size computation

diff --git a/column.c b/column.c
index 786abe62b0bb0f27b51218f7698c60476d12c8e8..d55ead18efeba9435bd2f2e76e2d7ac9ddc064c1 100644 (file)
--- a/column.c
+++ b/column.c
@@ -164,7 +164,7 @@ static void display_table(const struct string_list *list,
        data.colopts = colopts;
        data.opts = *opts;
 
-       data.len = xmalloc(sizeof(*data.len) * list->nr);
+       ALLOC_ARRAY(data.len, list->nr);
        for (i = 0; i < list->nr; i++)
                data.len[i] = item_length(colopts, list->items[i].string);
 
@@ -173,9 +173,8 @@ static void display_table(const struct string_list *list,
        if (colopts & COL_DENSE)
                shrink_columns(&data);
 
-       empty_cell = xmalloc(initial_width + 1);
+       empty_cell = xmallocz(initial_width);
        memset(empty_cell, ' ', initial_width);
-       empty_cell[initial_width] = '\0';
        for (y = 0; y < data.rows; y++) {
                for (x = 0; x < data.cols; x++)
                        if (display_cell(&data, initial_width, empty_cell, x, y))