1 files changed, 7 insertions, 7 deletions

diff --git a/combine-diff.c b/combine-diff.c
index be09a2b25c..0e1d4b0893 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -189,11 +189,11 @@ static struct lline *coalesce_lines(struct lline *base, int *lenbase,
 	 *   - Else if we have NEW, insert newend lline into base and
 	 *   consume newend
 	 */
-	lcs = xcalloc(origbaselen + 1, sizeof(int*));
-	directions = xcalloc(origbaselen + 1, sizeof(enum coalesce_direction*));
+	lcs = xcalloc(st_add(origbaselen, 1), sizeof(int*));
+	directions = xcalloc(st_add(origbaselen, 1), sizeof(enum coalesce_direction*));
 	for (i = 0; i < origbaselen + 1; i++) {
-		lcs[i] = xcalloc(lennew + 1, sizeof(int));
-		directions[i] = xcalloc(lennew + 1, sizeof(enum coalesce_direction));
+		lcs[i] = xcalloc(st_add(lennew, 1), sizeof(int));
+		directions[i] = xcalloc(st_add(lennew, 1), sizeof(enum coalesce_direction));
 		directions[i][0] = BASE;
 	}
 	for (j = 1; j < lennew + 1; j++)
@@ -1111,7 +1111,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 	if (result_size && result[result_size-1] != '\n')
 		cnt++; /* incomplete line */
 
-	sline = xcalloc(cnt+2, sizeof(*sline));
+	sline = xcalloc(st_add(cnt, 2), sizeof(*sline));
 	sline[0].bol = result;
 	for (lno = 0, cp = result; cp < result + result_size; cp++) {
 		if (*cp == '\n') {
@@ -1130,7 +1130,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 	/* Even p_lno[cnt+1] is valid -- that is for the end line number
 	 * for deletion hunk at the end.
 	 */
-	sline[0].p_lno = xcalloc((cnt+2) * num_parent, sizeof(unsigned long));
+	sline[0].p_lno = xcalloc(st_mult(st_add(cnt, 2), num_parent), sizeof(unsigned long));
 	for (lno = 0; lno <= cnt; lno++)
 		sline[lno+1].p_lno = sline[lno].p_lno + num_parent;
 
@@ -1262,7 +1262,7 @@ static struct diff_filepair *combined_pair(struct combine_diff_path *p,
 	struct diff_filespec *pool;
 
 	pair = xmalloc(sizeof(*pair));
-	pool = xcalloc(num_parent + 1, sizeof(struct diff_filespec));
+	pool = xcalloc(st_add(num_parent, 1), sizeof(struct diff_filespec));
 	pair->one = pool + 1;
 	pair->two = pool;