config: use unsigned_mult_overflows to check for overflows

diff --git a/archive.c b/archive.c
index 1f98324a930e39aa1a7c41e78b4fcd6450899c66..53141c1f0ee12b4ce14efef1e4026d7ba7d2b665 100644 (file)
--- a/archive.c
+++ b/archive.c
@@ -380,7 +380,7 @@ static void parse_treeish_arg(const char **argv,
                int remote)
 {
        const char *name = argv[0];
-       const unsigned char *commit_sha1;
+       const struct object_id *commit_oid;
        time_t archive_time;
        struct tree *tree;
        const struct commit *commit;
@@ -402,10 +402,10 @@ static void parse_treeish_arg(const char **argv,
 
        commit = lookup_commit_reference_gently(ar_args->repo, &oid, 1);
        if (commit) {
-               commit_sha1 = commit->object.oid.hash;
+               commit_oid = &commit->object.oid;
                archive_time = commit->date;
        } else {
-               commit_sha1 = NULL;
+               commit_oid = NULL;
                archive_time = time(NULL);
        }
 
@@ -415,7 +415,7 @@ static void parse_treeish_arg(const char **argv,
 
        if (prefix) {
                struct object_id tree_oid;
-               unsigned int mode;
+               unsigned short mode;
                int err;
 
                err = get_tree_entry(&tree->object.oid, prefix, &tree_oid,
@@ -426,7 +426,7 @@ static void parse_treeish_arg(const char **argv,
                tree = parse_tree_indirect(&tree_oid);
        }
        ar_args->tree = tree;
-       ar_args->commit_sha1 = commit_sha1;
+       ar_args->commit_oid = commit_oid;
        ar_args->commit = commit;
        ar_args->time = archive_time;
 }