Signed-off-by: Karsten Blees <bl...@dcon.de>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
 diffcore-rename.c | 48 +++++++++++++-----------------------------------
 1 file changed, 13 insertions(+), 35 deletions(-)

diff --git a/diffcore-rename.c b/diffcore-rename.c
index cfeb408..d996c6a 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -4,7 +4,7 @@
 #include "cache.h"
 #include "diff.h"
 #include "diffcore.h"
-#include "hash.h"
+#include "hashmap.h"
 #include "progress.h"
 
 /* Table of rename/copy destinations */
@@ -243,9 +243,9 @@ static int score_compare(const void *a_, const void *b_)
 }
 
 struct file_similarity {
+       struct hashmap_entry entry;
        int index;
        struct diff_filespec *filespec;
-       struct file_similarity *next;
 };
 
 static unsigned int hash_filespec(struct diff_filespec *filespec)
@@ -260,21 +260,22 @@ static unsigned int hash_filespec(struct diff_filespec 
*filespec)
        return hash;
 }
 
-static int find_identical_files(struct hash_table *srcs,
+static int find_identical_files(struct hashmap *srcs,
                                int dst_index,
                                struct diff_options *options)
 {
        int renames = 0;
 
        struct diff_filespec *target = rename_dst[dst_index].two;
-       struct file_similarity *p, *best;
+       struct file_similarity *p, *best, dst;
        int i = 100, best_score = -1;
 
        /*
         * Find the best source match for specified destination.
         */
        best = NULL;
-       for (p = lookup_hash(hash_filespec(target), srcs); p; p = p->next) {
+       hashmap_entry_init(&dst, hash_filespec(target));
+       for (p = hashmap_get(srcs, &dst, NULL); p; p = hashmap_get_next(srcs, 
p)) {
                int score;
                struct diff_filespec *source = p->filespec;
 
@@ -309,34 +310,15 @@ static int find_identical_files(struct hash_table *srcs,
        return renames;
 }
 
-static int free_similarity_list(void *p, void *unused)
+static void insert_file_table(struct hashmap *table, int index, struct 
diff_filespec *filespec)
 {
-       while (p) {
-               struct file_similarity *entry = p;
-               p = entry->next;
-               free(entry);
-       }
-       return 0;
-}
-
-static void insert_file_table(struct hash_table *table, int index, struct 
diff_filespec *filespec)
-{
-       void **pos;
-       unsigned int hash;
        struct file_similarity *entry = xmalloc(sizeof(*entry));
 
        entry->index = index;
        entry->filespec = filespec;
-       entry->next = NULL;
-
-       hash = hash_filespec(filespec);
-       pos = insert_hash(hash, entry, table);
 
-       /* We already had an entry there? */
-       if (pos) {
-               entry->next = *pos;
-               *pos = entry;
-       }
+       hashmap_entry_init(entry, hash_filespec(filespec));
+       hashmap_add(table, entry);
 }
 
 /*
@@ -349,11 +331,10 @@ static void insert_file_table(struct hash_table *table, 
int index, struct diff_f
 static int find_exact_renames(struct diff_options *options)
 {
        int i, renames = 0;
-       struct hash_table file_table;
+       struct hashmap file_table;
 
        /* Add all sources to the hash table */
-       init_hash(&file_table);
-       preallocate_hash(&file_table, rename_src_nr);
+       hashmap_init(&file_table, NULL, rename_src_nr);
        for (i = 0; i < rename_src_nr; i++)
                insert_file_table(&file_table, i, rename_src[i].p->one);
 
@@ -361,11 +342,8 @@ static int find_exact_renames(struct diff_options *options)
        for (i = 0; i < rename_dst_nr; i++)
                renames += find_identical_files(&file_table, i, options);
 
-       /* Free source file_similarity chains */
-       for_each_hash(&file_table, free_similarity_list, options);
-
-       /* .. and free the hash data structure */
-       free_hash(&file_table);
+       /* Free the hash data structure and entries */
+       hashmap_free(&file_table, free);
 
        return renames;
 }
-- 
1.8.4.msysgit.0.12.g88f5ed0

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