repo_read_index: don't discard the index

diff --git a/builtin/difftool.c b/builtin/difftool.c
index b9a892f2693efe01a08c958f7064f13ba6ec43aa..a1a26ba8912f4ee49527b287657826440fd92e9e 100644 (file)
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -12,6 +12,7 @@
  * Copyright (C) 2016 Johannes Schindelin
  */
 #include "cache.h"
+#include "config.h"
 #include "builtin.h"
 #include "run-command.h"
 #include "exec_cmd.h"
@@ -129,8 +130,10 @@ struct working_tree_entry {
        char path[FLEX_ARRAY];
 };
 
-static int working_tree_entry_cmp(struct working_tree_entry *a,
-                                 struct working_tree_entry *b, void *keydata)
+static int working_tree_entry_cmp(const void *unused_cmp_data,
+                                 struct working_tree_entry *a,
+                                 struct working_tree_entry *b,
+                                 void *unused_keydata)
 {
        return strcmp(a->path, b->path);
 }
@@ -145,7 +148,9 @@ struct pair_entry {
        const char path[FLEX_ARRAY];
 };
 
-static int pair_cmp(struct pair_entry *a, struct pair_entry *b, void *keydata)
+static int pair_cmp(const void *unused_cmp_data,
+                   struct pair_entry *a, struct pair_entry *b,
+                   void *unused_keydata)
 {
        return strcmp(a->path, b->path);
 }
@@ -173,7 +178,9 @@ struct path_entry {
        char path[FLEX_ARRAY];
 };
 
-static int path_entry_cmp(struct path_entry *a, struct path_entry *b, void *key)
+static int path_entry_cmp(const void *unused_cmp_data,
+                         struct path_entry *a, struct path_entry *b,
+                         void *key)
 {
        return strcmp(a->path, key ? key : b->path);
 }
@@ -366,9 +373,9 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
        wtdir_len = wtdir.len;
 
        hashmap_init(&working_tree_dups,
-                    (hashmap_cmp_fn)working_tree_entry_cmp, 0);
-       hashmap_init(&submodules, (hashmap_cmp_fn)pair_cmp, 0);
-       hashmap_init(&symlinks2, (hashmap_cmp_fn)pair_cmp, 0);
+                    (hashmap_cmp_fn)working_tree_entry_cmp, NULL, 0);
+       hashmap_init(&submodules, (hashmap_cmp_fn)pair_cmp, NULL, 0);
+       hashmap_init(&symlinks2, (hashmap_cmp_fn)pair_cmp, NULL, 0);
 
        child.no_stdin = 1;
        child.git_cmd = 1;
@@ -579,9 +586,9 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
         * files through the symlink.
         */
        hashmap_init(&wt_modified, (hashmap_cmp_fn)path_entry_cmp,
-                    wtindex.cache_nr);
+                    NULL, wtindex.cache_nr);
        hashmap_init(&tmp_modified, (hashmap_cmp_fn)path_entry_cmp,
-                    wtindex.cache_nr);
+                    NULL, wtindex.cache_nr);
 
        for (i = 0; i < wtindex.cache_nr; i++) {
                struct hashmap_entry dummy;