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Diffstat (limited to 'pack-bitmap.c')
-rw-r--r--pack-bitmap.c60
1 files changed, 34 insertions, 26 deletions
diff --git a/pack-bitmap.c b/pack-bitmap.c
index 91e4101531..62a98cc119 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -60,7 +60,7 @@ static struct bitmap_index {
struct ewah_bitmap *blobs;
struct ewah_bitmap *tags;
- /* Map from SHA1 -> `stored_bitmap` for all the bitmapped comits */
+ /* Map from SHA1 -> `stored_bitmap` for all the bitmapped commits */
khash_sha1 *bitmaps;
/* Number of bitmapped commits */
@@ -197,13 +197,24 @@ static struct stored_bitmap *store_bitmap(struct bitmap_index *index,
return stored;
}
+static inline uint32_t read_be32(const unsigned char *buffer, size_t *pos)
+{
+ uint32_t result = get_be32(buffer + *pos);
+ (*pos) += sizeof(result);
+ return result;
+}
+
+static inline uint8_t read_u8(const unsigned char *buffer, size_t *pos)
+{
+ return buffer[(*pos)++];
+}
+
static int load_bitmap_entries_v1(struct bitmap_index *index)
{
static const size_t MAX_XOR_OFFSET = 160;
uint32_t i;
struct stored_bitmap **recent_bitmaps;
- struct bitmap_disk_entry *entry;
recent_bitmaps = xcalloc(MAX_XOR_OFFSET, sizeof(struct stored_bitmap));
@@ -214,15 +225,12 @@ static int load_bitmap_entries_v1(struct bitmap_index *index)
uint32_t commit_idx_pos;
const unsigned char *sha1;
- entry = (struct bitmap_disk_entry *)(index->map + index->map_pos);
- index->map_pos += sizeof(struct bitmap_disk_entry);
+ commit_idx_pos = read_be32(index->map, &index->map_pos);
+ xor_offset = read_u8(index->map, &index->map_pos);
+ flags = read_u8(index->map, &index->map_pos);
- commit_idx_pos = ntohl(entry->object_pos);
sha1 = nth_packed_object_sha1(index->pack, commit_idx_pos);
- xor_offset = (int)entry->xor_offset;
- flags = (int)entry->flags;
-
bitmap = read_bitmap_1(index);
if (!bitmap)
return -1;
@@ -244,6 +252,20 @@ static int load_bitmap_entries_v1(struct bitmap_index *index)
return 0;
}
+static char *pack_bitmap_filename(struct packed_git *p)
+{
+ char *idx_name;
+ int len;
+
+ len = strlen(p->pack_name) - strlen(".pack");
+ idx_name = xmalloc(len + strlen(".bitmap") + 1);
+
+ memcpy(idx_name, p->pack_name, len);
+ memcpy(idx_name + len, ".bitmap", strlen(".bitmap") + 1);
+
+ return idx_name;
+}
+
static int open_pack_bitmap_1(struct packed_git *packfile)
{
int fd;
@@ -314,20 +336,6 @@ failed:
return -1;
}
-char *pack_bitmap_filename(struct packed_git *p)
-{
- char *idx_name;
- int len;
-
- len = strlen(p->pack_name) - strlen(".pack");
- idx_name = xmalloc(len + strlen(".bitmap") + 1);
-
- memcpy(idx_name, p->pack_name, len);
- memcpy(idx_name + len, ".bitmap", strlen(".bitmap") + 1);
-
- return idx_name;
-}
-
static int open_pack_bitmap(void)
{
struct packed_git *p;
@@ -400,10 +408,8 @@ static int ext_index_add_object(struct object *object, const char *name)
if (hash_ret > 0) {
if (eindex->count >= eindex->alloc) {
eindex->alloc = (eindex->alloc + 16) * 3 / 2;
- eindex->objects = xrealloc(eindex->objects,
- eindex->alloc * sizeof(struct object *));
- eindex->hashes = xrealloc(eindex->hashes,
- eindex->alloc * sizeof(uint32_t));
+ REALLOC_ARRAY(eindex->objects, eindex->alloc);
+ REALLOC_ARRAY(eindex->hashes, eindex->alloc);
}
bitmap_pos = eindex->count;
@@ -980,6 +986,8 @@ void test_bitmap_walk(struct rev_info *revs)
fprintf(stderr, "OK!\n");
else
fprintf(stderr, "Mismatch!\n");
+
+ free(result);
}
static int rebuild_bitmap(uint32_t *reposition,