Merge branch 'fc/do-not-use-the-index-in-add-to-index' into maint

* fc/do-not-use-the-index-in-add-to-index:
  read-cache: trivial style cleanups
  read-cache: fix wrong 'the_index' usage

read-cache.c

@@ -626,7 +626,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 			if (*ptr == '/') {
 				struct cache_entry *foundce;
 				++ptr;
-				foundce = index_name_exists(&the_index, ce->name, ptr - ce->name, ignore_case);
+				foundce = index_name_exists(istate, ce->name, ptr - ce->name, ignore_case);
 				if (foundce) {
 					memcpy((void *)startPtr, foundce->name + (startPtr - ce->name), ptr - startPtr);
 					startPtr = ptr;
@@ -979,7 +979,7 @@ int add_index_entry(struct index_state *istate, struct cache_entry *ce, int opti
 	if (istate->cache_nr == istate->cache_alloc) {
 		istate->cache_alloc = alloc_nr(istate->cache_alloc);
 		istate->cache = xrealloc(istate->cache,
-					istate->cache_alloc * sizeof(struct cache_entry *));
+					istate->cache_alloc * sizeof(*istate->cache));
 	}
 
 	/* Add it in.. */
@@ -1449,7 +1449,7 @@ int read_index_from(struct index_state *istate, const char *path)
 	istate->version = ntohl(hdr->hdr_version);
 	istate->cache_nr = ntohl(hdr->hdr_entries);
 	istate->cache_alloc = alloc_nr(istate->cache_nr);
-	istate->cache = xcalloc(istate->cache_alloc, sizeof(struct cache_entry *));
+	istate->cache = xcalloc(istate->cache_alloc, sizeof(*istate->cache));
 	istate->initialized = 1;
 
 	if (istate->version == 4)