read_blob_data_from_index(): optionally return the size of blob data

diff --git a/cache.h b/cache.h
index 5d66c74f6aa3ab0c26e62a668d25a94d0d9bfde7..627776b5e6b6fbd74c44935033c36c8811ba3601 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -307,7 +307,7 @@ extern void free_name_hash(struct index_state *istate);
 #define resolve_undo_clear() resolve_undo_clear_index(&the_index)
 #define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at)
 #define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec)
-#define read_blob_data_from_cache(path) read_blob_data_from_index(&the_index, (path))
+#define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz))
 #endif
 
 enum object_type {
@@ -453,7 +453,7 @@ extern int add_file_to_index(struct index_state *, const char *path, int flags);
 extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh);
 extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
 extern int index_name_is_other(const struct index_state *, const char *, int);
-extern void *read_blob_data_from_index(struct index_state *, const char *);
+extern void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *);
 
 /* do stat comparison even if CE_VALID is true */
 #define CE_MATCH_IGNORE_VALID          01