mmap(win32): avoid copy-on-write when it is unnecessary

diff --git a/name-hash.c b/name-hash.c
index 332ba956e7edec6c6fbe10f346ec08fc469b846f..6d9f23e932559c58c9ebf4679a6035889f726ed2 100644 (file)
--- a/name-hash.c
+++ b/name-hash.c
@@ -55,10 +55,9 @@ static struct dir_entry *hash_dir_entry(struct index_state *istate,
        dir = find_dir_entry(istate, ce->name, namelen);
        if (!dir) {
                /* not found, create it and add to hash table */
-               dir = xcalloc(1, sizeof(struct dir_entry) + namelen + 1);
+               FLEX_ALLOC_MEM(dir, name, ce->name, namelen);
                hashmap_entry_init(dir, memihash(ce->name, namelen));
                dir->namelen = namelen;
-               strncpy(dir->name, ce->name, namelen);
                hashmap_add(&istate->dir_hash, dir);
 
                /* recursively add missing parent directories */