#define GET_NIBBLE(n, sha1) (((sha1[(n) >> 1]) >> ((~(n) & 0x01) << 2)) & 0x0f)
+#define KEY_INDEX (GIT_SHA1_RAWSZ - 1)
+#define FANOUT_PATH_SEPARATORS ((GIT_SHA1_HEXSZ / 2) - 1)
#define SUBTREE_SHA1_PREFIXCMP(key_sha1, subtree_sha1) \
- (memcmp(key_sha1, subtree_sha1, subtree_sha1[19]))
+ (memcmp(key_sha1, subtree_sha1, subtree_sha1[KEY_INDEX]))
struct notes_tree default_notes_tree;
struct leaf_node *entry)
{
struct leaf_node *l;
- struct int_node *parent_stack[20];
+ struct int_node *parent_stack[GIT_SHA1_RAWSZ];
unsigned char i, j;
void **p = note_tree_search(t, &tree, &n, entry->key_oid.hash);
* Otherwise, returns number of bytes written to sha1 (i.e. hex_len / 2).
* Pads sha1 with NULs up to sha1_len (not included in returned length).
*/
-static int get_sha1_hex_segment(const char *hex, unsigned int hex_len,
- unsigned char *sha1, unsigned int sha1_len)
+static int get_oid_hex_segment(const char *hex, unsigned int hex_len,
+ unsigned char *oid, unsigned int oid_len)
{
unsigned int i, len = hex_len >> 1;
- if (hex_len % 2 != 0 || len > sha1_len)
+ if (hex_len % 2 != 0 || len > oid_len)
return -1;
for (i = 0; i < len; i++) {
unsigned int val = (hexval(hex[0]) << 4) | hexval(hex[1]);
if (val & ~0xff)
return -1;
- *sha1++ = val;
+ *oid++ = val;
hex += 2;
}
- for (; i < sha1_len; i++)
- *sha1++ = 0;
+ for (; i < oid_len; i++)
+ *oid++ = 0;
return len;
}
static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
struct int_node *node, unsigned int n)
{
- unsigned char object_sha1[20];
+ struct object_id object_oid;
unsigned int prefix_len;
void *buf;
struct tree_desc desc;
die("Could not read %s for notes-index",
oid_to_hex(&subtree->val_oid));
- prefix_len = subtree->key_oid.hash[19];
+ prefix_len = subtree->key_oid.hash[KEY_INDEX];
assert(prefix_len * 2 >= n);
- memcpy(object_sha1, subtree->key_oid.hash, prefix_len);
+ memcpy(object_oid.hash, subtree->key_oid.hash, prefix_len);
while (tree_entry(&desc, &entry)) {
path_len = strlen(entry.path);
- len = get_sha1_hex_segment(entry.path, path_len,
- object_sha1 + prefix_len, 20 - prefix_len);
+ len = get_oid_hex_segment(entry.path, path_len,
+ object_oid.hash + prefix_len, GIT_SHA1_RAWSZ - prefix_len);
if (len < 0)
goto handle_non_note; /* entry.path is not a SHA1 */
len += prefix_len;
* If object SHA1 is incomplete (len < 20), and current
* component consists of 2 hex chars, assume note subtree
*/
- if (len <= 20) {
+ if (len <= GIT_SHA1_RAWSZ) {
type = PTR_TYPE_NOTE;
l = (struct leaf_node *)
xcalloc(1, sizeof(struct leaf_node));
- hashcpy(l->key_oid.hash, object_sha1);
+ oidcpy(&l->key_oid, &object_oid);
oidcpy(&l->val_oid, entry.oid);
- if (len < 20) {
+ if (len < GIT_SHA1_RAWSZ) {
if (!S_ISDIR(entry.mode) || path_len != 2)
goto handle_non_note; /* not subtree */
- l->key_oid.hash[19] = (unsigned char) len;
+ l->key_oid.hash[KEY_INDEX] = (unsigned char) len;
type = PTR_TYPE_SUBTREE;
}
if (note_tree_insert(t, node, n, l, type,
}
/* hex SHA1 + 19 * '/' + NUL */
-#define FANOUT_PATH_MAX 40 + 19 + 1
+#define FANOUT_PATH_MAX GIT_SHA1_HEXSZ + FANOUT_PATH_SEPARATORS + 1
static void construct_path_with_fanout(const unsigned char *sha1,
unsigned char fanout, char *path)
{
unsigned int i = 0, j = 0;
const char *hex_sha1 = sha1_to_hex(sha1);
- assert(fanout < 20);
+ assert(fanout < GIT_SHA1_RAWSZ);
while (fanout) {
path[i++] = hex_sha1[j++];
path[i++] = hex_sha1[j++];
flags & FOR_EACH_NOTE_YIELD_SUBTREES) {
/* invoke callback with subtree */
unsigned int path_len =
- l->key_oid.hash[19] * 2 + fanout;
+ l->key_oid.hash[KEY_INDEX] * 2 + fanout;
assert(path_len < FANOUT_PATH_MAX - 1);
construct_path_with_fanout(l->key_oid.hash,
fanout,
unsigned char *sha1)
{
strbuf_addf(buf, "%o %.*s%c", mode, path_len, path, '\0');
- strbuf_add(buf, sha1, 20);
+ strbuf_add(buf, sha1, GIT_SHA1_RAWSZ);
}
static void tree_write_stack_init_subtree(struct tree_write_stack *tws,
n = (struct tree_write_stack *)
xmalloc(sizeof(struct tree_write_stack));
n->next = NULL;
- strbuf_init(&n->buf, 256 * (32 + 40)); /* assume 256 entries per tree */
+ strbuf_init(&n->buf, 256 * (32 + GIT_SHA1_HEXSZ)); /* assume 256 entries per tree */
n->path[0] = n->path[1] = '\0';
tws->next = n;
tws->path[0] = path[0];
{
int ret;
struct tree_write_stack *n = tws->next;
- unsigned char s[20];
+ struct object_id s;
if (n) {
ret = tree_write_stack_finish_subtree(n);
if (ret)
return ret;
- ret = write_sha1_file(n->buf.buf, n->buf.len, tree_type, s);
+ ret = write_sha1_file(n->buf.buf, n->buf.len, tree_type, s.hash);
if (ret)
return ret;
strbuf_release(&n->buf);
free(n);
tws->next = NULL;
- write_tree_entry(&tws->buf, 040000, tws->path, 2, s);
+ write_tree_entry(&tws->buf, 040000, tws->path, 2, s.hash);
tws->path[0] = tws->path[1] = '\0';
}
return 0;
note_path[note_path_len] = '\0';
mode = 040000;
}
- assert(note_path_len <= 40 + 19);
+ assert(note_path_len <= GIT_SHA1_HEXSZ + FANOUT_PATH_SEPARATORS);
/* Weave non-note entries into note entries */
return write_each_non_note_until(note_path, d) ||
if (has_glob_specials(glob)) {
for_each_glob_ref(string_list_add_one_ref, glob, list);
} else {
- unsigned char sha1[20];
- if (get_sha1(glob, sha1))
+ struct object_id oid;
+ if (get_oid(glob, &oid))
warning("notes ref %s is invalid", glob);
if (!unsorted_string_list_has_string(list, glob))
string_list_append(list, glob);
/* Prepare for traversal of current notes tree */
root.next = NULL; /* last forward entry in list is grounded */
- strbuf_init(&root.buf, 256 * (32 + 40)); /* assume 256 entries */
+ strbuf_init(&root.buf, 256 * (32 + GIT_SHA1_HEXSZ)); /* assume 256 entries */
root.path[0] = root.path[1] = '\0';
cb_data.root = &root;
cb_data.next_non_note = t->first_non_note;
void expand_loose_notes_ref(struct strbuf *sb)
{
- unsigned char object[20];
+ struct object_id object;
- if (get_sha1(sb->buf, object)) {
+ if (get_oid(sb->buf, &object)) {
/* fallback to expand_notes_ref */
expand_notes_ref(sb);
}