xread/xwrite: clip MAX_IO_SIZE to SSIZE_MAX

diff --git a/sequencer.c b/sequencer.c
index f7be7d8be66992567fe2140c6aecdd3cc6140d38..351548f57db61e62b47584020464aee877b48d8d 100644 (file)
--- a/sequencer.c
+++ b/sequencer.c
@@ -270,15 +270,20 @@ static int error_dirty_index(struct replay_opts *opts)
 }
 
 static int fast_forward_to(const unsigned char *to, const unsigned char *from,
-                          int unborn)
+                       int unborn, struct replay_opts *opts)
 {
        struct ref_lock *ref_lock;
+       struct strbuf sb = STRBUF_INIT;
+       int ret;
 
        read_cache();
        if (checkout_fast_forward(from, to, 1))
                exit(1); /* the callee should have complained already */
        ref_lock = lock_any_ref_for_update("HEAD", unborn ? null_sha1 : from, 0);
-       return write_ref_sha1(ref_lock, to, "cherry-pick");
+       strbuf_addf(&sb, "%s: fast-forward", action_name(opts));
+       ret = write_ref_sha1(ref_lock, to, sb.buf);
+       strbuf_release(&sb);
+       return ret;
 }
 
 static int do_recursive_merge(struct commit *base, struct commit *next,
@@ -326,7 +331,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
                int i;
                strbuf_addstr(msgbuf, "\nConflicts:\n");
                for (i = 0; i < active_nr;) {
-                       struct cache_entry *ce = active_cache[i++];
+                       const struct cache_entry *ce = active_cache[i++];
                        if (ce_stage(ce)) {
                                strbuf_addch(msgbuf, '\t');
                                strbuf_addstr(msgbuf, ce->name);
@@ -366,8 +371,9 @@ static int is_index_unchanged(void)
                active_cache_tree = cache_tree();
 
        if (!cache_tree_fully_valid(active_cache_tree))
-               if (cache_tree_update(active_cache_tree, active_cache,
-                                 active_nr, 0))
+               if (cache_tree_update(active_cache_tree,
+                                     (const struct cache_entry * const *)active_cache,
+                                     active_nr, 0))
                        return error(_("Unable to update cache tree\n"));
 
        return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.sha1);
@@ -523,7 +529,7 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
        if (opts->allow_ff &&
            ((parent && !hashcmp(parent->object.sha1, head)) ||
             (!parent && unborn)))
-            return fast_forward_to(commit->object.sha1, head, unborn);
+               return fast_forward_to(commit->object.sha1, head, unborn, opts);
 
        if (parent && parse_commit(parent) < 0)
                /* TRANSLATORS: The first %s will be "revert" or