#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,
if (path[path_len - 1] != '/')
path[path_len++] = '/';
path[path_len] = '\0';
- ret = fn(l->key_oid.hash, l->val_oid.hash,
+ ret = fn(&l->key_oid, &l->val_oid,
path,
cb_data);
}
l = (struct leaf_node *) CLR_PTR_TYPE(p);
construct_path_with_fanout(l->key_oid.hash, fanout,
path);
- ret = fn(l->key_oid.hash, l->val_oid.hash, path,
+ ret = fn(&l->key_oid, &l->val_oid, path,
cb_data);
break;
}
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;
static int write_each_note_helper(struct tree_write_stack *tws,
const char *path, unsigned int mode,
- const unsigned char *sha1)
+ const struct object_id *oid)
{
size_t path_len = strlen(path);
unsigned int n = 0;
/* Finally add given entry to the current tree object */
write_tree_entry(&tws->buf, mode, path + 3 * n, path_len - (3 * n),
- sha1);
+ oid->hash);
return 0;
}
; /* do nothing, prefer note to non-note */
else {
ret = write_each_note_helper(d->root, n->path, n->mode,
- n->oid.hash);
+ &n->oid);
if (ret)
return ret;
}
return 0;
}
-static int write_each_note(const unsigned char *object_sha1,
- const unsigned char *note_sha1, char *note_path,
+static int write_each_note(const struct object_id *object_oid,
+ const struct object_id *note_oid, char *note_path,
void *cb_data)
{
struct write_each_note_data *d =
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) ||
- write_each_note_helper(d->root, note_path, mode, note_sha1);
+ write_each_note_helper(d->root, note_path, mode, note_oid);
}
struct note_delete_list {
const unsigned char *sha1;
};
-static int prune_notes_helper(const unsigned char *object_sha1,
- const unsigned char *note_sha1, char *note_path,
+static int prune_notes_helper(const struct object_id *object_oid,
+ const struct object_id *note_oid, char *note_path,
void *cb_data)
{
struct note_delete_list **l = (struct note_delete_list **) cb_data;
struct note_delete_list *n;
- if (has_sha1_file(object_sha1))
+ if (has_object_file(object_oid))
return 0; /* nothing to do for this note */
/* failed to find object => prune this note */
n = (struct note_delete_list *) xmalloc(sizeof(*n));
n->next = *l;
- n->sha1 = object_sha1;
+ n->sha1 = object_oid->hash;
*l = n;
return 0;
}
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);
string_list_clear(&display_notes_refs, 0);
}
-int add_note(struct notes_tree *t, const unsigned char *object_sha1,
- const unsigned char *note_sha1, combine_notes_fn combine_notes)
+int add_note(struct notes_tree *t, const struct object_id *object_oid,
+ const struct object_id *note_oid, combine_notes_fn combine_notes)
{
struct leaf_node *l;
if (!combine_notes)
combine_notes = t->combine_notes;
l = (struct leaf_node *) xmalloc(sizeof(struct leaf_node));
- hashcpy(l->key_oid.hash, object_sha1);
- hashcpy(l->val_oid.hash, note_sha1);
+ oidcpy(&l->key_oid, object_oid);
+ oidcpy(&l->val_oid, note_oid);
return note_tree_insert(t, t->root, 0, l, PTR_TYPE_NOTE, combine_notes);
}
return 0;
}
-const unsigned char *get_note(struct notes_tree *t,
- const unsigned char *object_sha1)
+const struct object_id *get_note(struct notes_tree *t,
+ const struct object_id *oid)
{
struct leaf_node *found;
if (!t)
t = &default_notes_tree;
assert(t->initialized);
- found = note_tree_find(t, t->root, 0, object_sha1);
- return found ? found->val_oid.hash : NULL;
+ found = note_tree_find(t, t->root, 0, oid->hash);
+ return found ? &found->val_oid : NULL;
}
int for_each_note(struct notes_tree *t, int flags, each_note_fn fn,
/* 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;
* (raw != 0) gives the %N userformat; otherwise, the note message is given
* for human consumption.
*/
-static void format_note(struct notes_tree *t, const unsigned char *object_sha1,
+static void format_note(struct notes_tree *t, const struct object_id *object_oid,
struct strbuf *sb, const char *output_encoding, int raw)
{
static const char utf8[] = "utf-8";
- const unsigned char *sha1;
+ const struct object_id *oid;
char *msg, *msg_p;
unsigned long linelen, msglen;
enum object_type type;
if (!t->initialized)
init_notes(t, NULL, NULL, 0);
- sha1 = get_note(t, object_sha1);
- if (!sha1)
+ oid = get_note(t, object_oid);
+ if (!oid)
return;
- if (!(msg = read_sha1_file(sha1, &type, &msglen)) || type != OBJ_BLOB) {
+ if (!(msg = read_sha1_file(oid->hash, &type, &msglen)) || type != OBJ_BLOB) {
free(msg);
return;
}
free(msg);
}
-void format_display_notes(const unsigned char *object_sha1,
+void format_display_notes(const struct object_id *object_oid,
struct strbuf *sb, const char *output_encoding, int raw)
{
int i;
assert(display_notes_trees);
for (i = 0; display_notes_trees[i]; i++)
- format_note(display_notes_trees[i], object_sha1, sb,
+ format_note(display_notes_trees[i], object_oid, sb,
output_encoding, raw);
}
int copy_note(struct notes_tree *t,
- const unsigned char *from_obj, const unsigned char *to_obj,
+ const struct object_id *from_obj, const struct object_id *to_obj,
int force, combine_notes_fn combine_notes)
{
- const unsigned char *note = get_note(t, from_obj);
- const unsigned char *existing_note = get_note(t, to_obj);
+ const struct object_id *note = get_note(t, from_obj);
+ const struct object_id *existing_note = get_note(t, to_obj);
if (!force && existing_note)
return 1;
if (note)
return add_note(t, to_obj, note, combine_notes);
else if (existing_note)
- return add_note(t, to_obj, null_sha1, combine_notes);
+ return add_note(t, to_obj, &null_oid, combine_notes);
return 0;
}
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);
}