describe: Do not use a flex array in struct commit_name

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 0e8167311884d38c48a9421bf8aede89e7f2c22d..f8eba53c82242d0c435524ab9ffab70ba2e2d5ad 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -23,15 +23,15 @@
 #endif
 
 static const char pack_usage[] =
-  "git pack-objects [{ -q | --progress | --all-progress }]\n"
+  "git pack-objects [ -q | --progress | --all-progress ]\n"
   "        [--all-progress-implied]\n"
-  "        [--max-pack-size=N] [--local] [--incremental]\n"
-  "        [--window=N] [--window-memory=N] [--depth=N]\n"
+  "        [--max-pack-size=<n>] [--local] [--incremental]\n"
+  "        [--window=<n>] [--window-memory=<n>] [--depth=<n>]\n"
   "        [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset]\n"
-  "        [--threads=N] [--non-empty] [--revs [--unpacked | --all]*]\n"
+  "        [--threads=<n>] [--non-empty] [--revs [--unpacked | --all]]\n"
   "        [--reflog] [--stdout | base-name] [--include-tag]\n"
-  "        [--keep-unreachable | --unpack-unreachable \n"
-  "        [<ref-list | <object-list]";
+  "        [--keep-unreachable | --unpack-unreachable]\n"
+  "        [< ref-list | < object-list]";
 
 struct object_entry {
        struct pack_idx_entry idx;
@@ -431,7 +431,7 @@ static int write_one(struct sha1file *f,
        written_list[nr_written++] = &e->idx;
 
        /* make sure off_t is sufficiently large not to wrap */
-       if (*offset > *offset + size)
+       if (signed_add_overflows(*offset, size))
                die("pack too large for current definition of off_t");
        *offset += size;
        return 1;