diff options
Diffstat (limited to 'packfile.c')
| -rw-r--r-- | packfile.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/packfile.c b/packfile.c index 0929ebe4fc..86f5c8dbf6 100644 --- a/packfile.c +++ b/packfile.c @@ -148,7 +148,7 @@ int load_idx(const char *path, const unsigned int hashsz, void *idx_map, * - hash of the packfile * - file checksum */ - if (idx_size != 4 * 256 + nr * (hashsz + 4) + hashsz + hashsz) + if (idx_size != st_add(4 * 256 + hashsz + hashsz, st_mult(nr, hashsz + 4))) return error("wrong index v1 file size in %s", path); } else if (version == 2) { /* @@ -164,10 +164,10 @@ int load_idx(const char *path, const unsigned int hashsz, void *idx_map, * variable sized table containing 8-byte entries * for offsets larger than 2^31. */ - unsigned long min_size = 8 + 4*256 + nr*(hashsz + 4 + 4) + hashsz + hashsz; - unsigned long max_size = min_size; + size_t min_size = st_add(8 + 4*256 + hashsz + hashsz, st_mult(nr, hashsz + 4 + 4)); + size_t max_size = min_size; if (nr) - max_size += (nr - 1)*8; + max_size = st_add(max_size, st_mult(nr - 1, 8)); if (idx_size < min_size || idx_size > max_size) return error("wrong index v2 file size in %s", path); if (idx_size != min_size && @@ -514,19 +514,8 @@ static int open_packed_git_1(struct packed_git *p) ssize_t read_result; const unsigned hashsz = the_hash_algo->rawsz; - if (!p->index_data) { - struct multi_pack_index *m; - const char *pack_name = pack_basename(p); - - for (m = the_repository->objects->multi_pack_index; - m; m = m->next) { - if (midx_contains_pack(m, pack_name)) - break; - } - - if (!m && open_pack_index(p)) - return error("packfile %s index unavailable", p->pack_name); - } + if (open_pack_index(p)) + return error("packfile %s index unavailable", p->pack_name); if (!pack_max_fds) { unsigned int max_fds = get_max_fd_limit(); @@ -567,10 +556,6 @@ static int open_packed_git_1(struct packed_git *p) " supported (try upgrading GIT to a newer version)", p->pack_name, ntohl(hdr.hdr_version)); - /* Skip index checking if in multi-pack-index */ - if (!p->index_data) - return 0; - /* Verify the pack matches its index. */ if (p->num_objects != ntohl(hdr.hdr_entries)) return error("packfile %s claims to have %"PRIu32" objects" @@ -1933,14 +1918,14 @@ off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n) const unsigned int hashsz = the_hash_algo->rawsz; index += 4 * 256; if (p->index_version == 1) { - return ntohl(*((uint32_t *)(index + (hashsz + 4) * n))); + return ntohl(*((uint32_t *)(index + (hashsz + 4) * (size_t)n))); } else { uint32_t off; - index += 8 + p->num_objects * (hashsz + 4); + index += 8 + (size_t)p->num_objects * (hashsz + 4); off = ntohl(*((uint32_t *)(index + 4 * n))); if (!(off & 0x80000000)) return off; - index += p->num_objects * 4 + (off & 0x7fffffff) * 8; + index += (size_t)p->num_objects * 4 + (off & 0x7fffffff) * 8; check_pack_index_ptr(p, index); return get_be64(index); } |