Merge branch 'jk/tighten-alloc'
[gitweb.git] / builtin / index-pack.c
index f07bc66ed6679cac715491f0b212aca0b8bcd625..45245199aebafc7fdb8eb96197dacd86c422c413 100644 (file)
@@ -75,6 +75,7 @@ static int nr_threads;
 static int from_stdin;
 static int strict;
 static int do_fsck_object;
+static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT;
 static int verbose;
 static int show_stat;
 static int check_self_contained_and_connected;
@@ -192,13 +193,13 @@ static void cleanup_thread(void)
 #endif
 
 
-static int mark_link(struct object *obj, int type, void *data)
+static int mark_link(struct object *obj, int type, void *data, struct fsck_options *options)
 {
        if (!obj)
                return -1;
 
        if (type != OBJ_ANY && obj->type != type)
-               die(_("object type mismatch at %s"), sha1_to_hex(obj->sha1));
+               die(_("object type mismatch at %s"), oid_to_hex(&obj->oid));
 
        obj->flags |= FLAG_LINK;
        return 0;
@@ -216,13 +217,13 @@ static unsigned check_object(struct object *obj)
 
        if (!(obj->flags & FLAG_CHECKED)) {
                unsigned long size;
-               int type = sha1_object_info(obj->sha1, &size);
+               int type = sha1_object_info(obj->oid.hash, &size);
                if (type <= 0)
                        die(_("did not receive expected object %s"),
-                             sha1_to_hex(obj->sha1));
+                             oid_to_hex(&obj->oid));
                if (type != obj->type)
                        die(_("object %s: expected type %s, found %s"),
-                           sha1_to_hex(obj->sha1),
+                           oid_to_hex(&obj->oid),
                            typename(obj->type), typename(type));
                obj->flags |= FLAG_CHECKED;
                return 1;
@@ -440,7 +441,7 @@ static void *unpack_entry_data(unsigned long offset, unsigned long size,
        int hdrlen;
 
        if (!is_delta_type(type)) {
-               hdrlen = sprintf(hdr, "%s %lu", typename(type), size) + 1;
+               hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), size) + 1;
                git_SHA1_Init(&c);
                git_SHA1_Update(&c, hdr, hdrlen);
        } else
@@ -838,11 +839,10 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
                        if (!obj)
                                die(_("invalid %s"), typename(type));
                        if (do_fsck_object &&
-                           fsck_object(obj, buf, size, 1,
-                                   fsck_error_function))
+                           fsck_object(obj, buf, size, &fsck_options))
                                die(_("Error in object"));
-                       if (fsck_walk(obj, mark_link, NULL))
-                               die(_("Not all child objects of %s are reachable"), sha1_to_hex(obj->sha1));
+                       if (fsck_walk(obj, NULL, &fsck_options))
+                               die(_("Not all child objects of %s are reachable"), oid_to_hex(&obj->oid));
 
                        if (obj->type == OBJ_TREE) {
                                struct tree *item = (struct tree *) obj;
@@ -1346,7 +1346,7 @@ static void fix_unresolved_deltas(struct sha1file *f)
         * before deltas depending on them, a good heuristic is to start
         * resolving deltas in the same order as their position in the pack.
         */
-       sorted_by_pos = xmalloc(nr_ref_deltas * sizeof(*sorted_by_pos));
+       ALLOC_ARRAY(sorted_by_pos, nr_ref_deltas);
        for (i = 0; i < nr_ref_deltas; i++)
                sorted_by_pos[i] = &ref_deltas[i];
        qsort(sorted_by_pos, nr_ref_deltas, sizeof(*sorted_by_pos), delta_pos_compare);
@@ -1421,7 +1421,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
                                 get_object_directory(), sha1_to_hex(sha1));
                        final_pack_name = name;
                }
-               if (move_temp_to_file(curr_pack_name, final_pack_name))
+               if (finalize_object_file(curr_pack_name, final_pack_name))
                        die(_("cannot store pack file"));
        } else if (from_stdin)
                chmod(final_pack_name, 0444);
@@ -1432,7 +1432,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
                                 get_object_directory(), sha1_to_hex(sha1));
                        final_index_name = name;
                }
-               if (move_temp_to_file(curr_index_name, final_index_name))
+               if (finalize_object_file(curr_index_name, final_index_name))
                        die(_("cannot store index file"));
        } else
                chmod(final_index_name, 0444);
@@ -1514,6 +1514,7 @@ static void read_v2_anomalous_offsets(struct packed_git *p,
                if (!(off & 0x80000000))
                        continue;
                off = off & 0x7fffffff;
+               check_pack_index_ptr(p, &idx2[off * 2]);
                if (idx2[off * 2])
                        continue;
                /*
@@ -1615,6 +1616,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
                usage(index_pack_usage);
 
        check_replace_refs = 0;
+       fsck_options.walk = mark_link;
 
        reset_pack_idx_option(&opts);
        git_config(git_index_pack_config, &opts);
@@ -1632,6 +1634,10 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
                        } else if (!strcmp(arg, "--strict")) {
                                strict = 1;
                                do_fsck_object = 1;
+                       } else if (skip_prefix(arg, "--strict=", &arg)) {
+                               strict = 1;
+                               do_fsck_object = 1;
+                               fsck_set_msg_types(&fsck_options, arg);
                        } else if (!strcmp(arg, "--check-self-contained-and-connected")) {
                                strict = 1;
                                check_self_contained_and_connected = 1;
@@ -1739,9 +1745,9 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
 
        curr_pack = open_pack_file(pack_name);
        parse_pack_header();
-       objects = xcalloc(nr_objects + 1, sizeof(struct object_entry));
+       objects = xcalloc(st_add(nr_objects, 1), sizeof(struct object_entry));
        if (show_stat)
-               obj_stat = xcalloc(nr_objects + 1, sizeof(struct object_stat));
+               obj_stat = xcalloc(st_add(nr_objects, 1), sizeof(struct object_stat));
        ofs_deltas = xcalloc(nr_objects, sizeof(struct ofs_delta_entry));
        parse_pack_objects(pack_sha1);
        resolve_deltas();
@@ -1754,7 +1760,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
        if (show_stat)
                show_pack_info(stat_only);
 
-       idx_objects = xmalloc((nr_objects) * sizeof(struct pack_idx_entry *));
+       ALLOC_ARRAY(idx_objects, nr_objects);
        for (i = 0; i < nr_objects; i++)
                idx_objects[i] = &objects[i].idx;
        curr_index = write_idx_file(index_name, idx_objects, nr_objects, &opts, pack_sha1);