commit-graph: bounds-check generation overflow chunk

[thirdparty/git.git] / commit-graph.h

diff --git a/commit-graph.h b/commit-graph.h
index 5e534f0fcc8d131a6e759ed1658b0e0984123a6e..b373f15802b9ba774eb4745f91e34853ee73b172 100644 (file)
--- a/commit-graph.h
+++ b/commit-graph.h
@@ -26,6 +26,7 @@ struct string_list;
 char *get_commit_graph_filename(struct object_directory *odb);
 char *get_commit_graph_chain_filename(struct object_directory *odb);
 int open_commit_graph(const char *graph_file, int *fd, struct stat *st);
+int open_commit_graph_chain(const char *chain_file, int *fd, struct stat *st);
 
 /*
  * Given a commit struct, try to fill the commit struct info, including:
@@ -93,8 +94,11 @@ struct commit_graph {
        const unsigned char *chunk_commit_data;
        const unsigned char *chunk_generation_data;
        const unsigned char *chunk_generation_data_overflow;
+       size_t chunk_generation_data_overflow_size;
        const unsigned char *chunk_extra_edges;
+       size_t chunk_extra_edges_size;
        const unsigned char *chunk_base_graphs;
+       size_t chunk_base_graphs_size;
        const unsigned char *chunk_bloom_indexes;
        const unsigned char *chunk_bloom_data;
 
@@ -105,6 +109,9 @@ struct commit_graph {
 struct commit_graph *load_commit_graph_one_fd_st(struct repository *r,
                                                 int fd, struct stat *st,
                                                 struct object_directory *odb);
+struct commit_graph *load_commit_graph_chain_fd_st(struct repository *r,
+                                                  int fd, struct stat *st,
+                                                  int *incomplete_chain);
 struct commit_graph *read_commit_graph_one(struct repository *r,
                                           struct object_directory *odb);