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-rw-r--r--combine-diff.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/combine-diff.c b/combine-diff.c
index 59501db99a..d3560573ac 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -292,9 +292,10 @@ static char *grab_blob(const struct object_id *oid, unsigned int mode,
enum object_type type;
if (S_ISGITLINK(mode)) {
- blob = xmalloc(100);
- *size = snprintf(blob, 100,
- "Subproject commit %s\n", oid_to_hex(oid));
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "Subproject commit %s\n", oid_to_hex(oid));
+ *size = buf.len;
+ blob = strbuf_detach(&buf, NULL);
} else if (is_null_oid(oid)) {
/* deleted blob */
*size = 0;