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-rw-r--r--tree-diff.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tree-diff.c b/tree-diff.c
index 290a1da4ce..4dda9a14ab 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -124,8 +124,8 @@ static struct combine_diff_path *path_appendnew(struct combine_diff_path *last,
unsigned mode, const unsigned char *sha1)
{
struct combine_diff_path *p;
- int len = base->len + pathlen;
- int alloclen = combine_diff_path_size(nparent, len);
+ size_t len = st_add(base->len, pathlen);
+ size_t alloclen = combine_diff_path_size(nparent, len);
/* if last->next is !NULL - it is a pre-allocated memory, we can reuse */
p = last->next;