From: "brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>
Convert the internal structures using unsigned char [20] to take
struct object_id using the following semantic patch and the standard
object_id transforms:
@@
struct leaf_node E1;
@@
- E1.key_sha1
+ E1.key_oid.hash
@@
struct leaf_node *E1;
@@
- E1->key_sha1
+ E1->key_oid.hash
@@
struct leaf_node E1;
@@
- E1.key_sha1
+ E1.key_oid.hash
@@
struct leaf_node *E1;
@@
- E1->key_sha1
+ E1->key_oid.hash
@@
struct non_note E1;
@@
- E1.sha1
+ E1.oid.hash
@@
struct non_note *E1;
@@
- E1->sha1
+ E1->oid.hash
Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx>
---
notes.c | 98 ++++++++++++++++++++++++++++++++++-------------------------------
1 file changed, 51 insertions(+), 47 deletions(-)
diff --git a/notes.c b/notes.c
index 542563b28..251cf11c9 100644
--- a/notes.c
+++ b/notes.c
@@ -35,8 +35,8 @@ struct int_node {
* subtree.
*/
struct leaf_node {
- unsigned char key_sha1[20];
- unsigned char val_sha1[20];
+ struct object_id key_oid;
+ struct object_id val_oid;
};
/*
@@ -51,7 +51,7 @@ struct non_note {
struct non_note *next; /* grounded (last->next == NULL) */
char *path;
unsigned int mode;
- unsigned char sha1[20];
+ struct object_id oid;
};
#define PTR_TYPE_NULL 0
@@ -100,7 +100,7 @@ static void **note_tree_search(struct notes_tree *t, struct int_node **tree,
if (GET_PTR_TYPE(p) == PTR_TYPE_SUBTREE) {
l = (struct leaf_node *) CLR_PTR_TYPE(p);
- if (!SUBTREE_SHA1_PREFIXCMP(key_sha1, l->key_sha1)) {
+ if (!SUBTREE_SHA1_PREFIXCMP(key_sha1, l->key_oid.hash)) {
/* unpack tree and resume search */
(*tree)->a[0] = NULL;
load_subtree(t, l, *tree, *n);
@@ -118,7 +118,7 @@ static void **note_tree_search(struct notes_tree *t, struct int_node **tree,
return note_tree_search(t, tree, n, key_sha1);
case PTR_TYPE_SUBTREE:
l = (struct leaf_node *) CLR_PTR_TYPE(p);
- if (!SUBTREE_SHA1_PREFIXCMP(key_sha1, l->key_sha1)) {
+ if (!SUBTREE_SHA1_PREFIXCMP(key_sha1, l->key_oid.hash)) {
/* unpack tree and resume search */
(*tree)->a[i] = NULL;
load_subtree(t, l, *tree, *n);
@@ -143,7 +143,7 @@ static struct leaf_node *note_tree_find(struct notes_tree *t,
void **p = note_tree_search(t, &tree, &n, key_sha1);
if (GET_PTR_TYPE(*p) == PTR_TYPE_NOTE) {
struct leaf_node *l = (struct leaf_node *) CLR_PTR_TYPE(*p);
- if (!hashcmp(key_sha1, l->key_sha1))
+ if (!hashcmp(key_sha1, l->key_oid.hash))
return l;
}
return NULL;
@@ -196,17 +196,17 @@ static void note_tree_remove(struct notes_tree *t,
struct leaf_node *l;
struct int_node *parent_stack[20];
unsigned char i, j;
- void **p = note_tree_search(t, &tree, &n, entry->key_sha1);
+ void **p = note_tree_search(t, &tree, &n, entry->key_oid.hash);
assert(GET_PTR_TYPE(entry) == 0); /* no type bits set */
if (GET_PTR_TYPE(*p) != PTR_TYPE_NOTE)
return; /* type mismatch, nothing to remove */
l = (struct leaf_node *) CLR_PTR_TYPE(*p);
- if (hashcmp(l->key_sha1, entry->key_sha1))
+ if (oidcmp(&l->key_oid, &entry->key_oid))
return; /* key mismatch, nothing to remove */
/* we have found a matching entry */
- hashcpy(entry->val_sha1, l->val_sha1);
+ oidcpy(&entry->val_oid, &l->val_oid);
free(l);
*p = SET_PTR_TYPE(NULL, PTR_TYPE_NULL);
@@ -216,14 +216,14 @@ static void note_tree_remove(struct notes_tree *t,
/* first, build stack of ancestors between root and current node */
parent_stack[0] = t->root;
for (i = 0; i < n; i++) {
- j = GET_NIBBLE(i, entry->key_sha1);
+ j = GET_NIBBLE(i, entry->key_oid.hash);
parent_stack[i + 1] = CLR_PTR_TYPE(parent_stack[i]->a[j]);
}
assert(i == n && parent_stack[i] == tree);
/* next, unwind stack until note_tree_consolidate() is done */
while (i > 0 &&
!note_tree_consolidate(parent_stack[i], parent_stack[i - 1],
- GET_NIBBLE(i - 1, entry->key_sha1)))
+ GET_NIBBLE(i - 1, entry->key_oid.hash)))
i--;
}
@@ -246,7 +246,7 @@ static int note_tree_insert(struct notes_tree *t, struct int_node *tree,
{
struct int_node *new_node;
struct leaf_node *l;
- void **p = note_tree_search(t, &tree, &n, entry->key_sha1);
+ void **p = note_tree_search(t, &tree, &n, entry->key_oid.hash);
int ret = 0;
assert(GET_PTR_TYPE(entry) == 0); /* no type bits set */
@@ -254,7 +254,7 @@ static int note_tree_insert(struct notes_tree *t, struct int_node *tree,
switch (GET_PTR_TYPE(*p)) {
case PTR_TYPE_NULL:
assert(!*p);
- if (is_null_sha1(entry->val_sha1))
+ if (is_null_oid(&entry->val_oid))
free(entry);
else
*p = SET_PTR_TYPE(entry, type);
@@ -262,22 +262,22 @@ static int note_tree_insert(struct notes_tree *t, struct int_node *tree,
case PTR_TYPE_NOTE:
switch (type) {
case PTR_TYPE_NOTE:
- if (!hashcmp(l->key_sha1, entry->key_sha1)) {
+ if (!oidcmp(&l->key_oid, &entry->key_oid)) {
/* skip concatenation if l == entry */
- if (!hashcmp(l->val_sha1, entry->val_sha1))
+ if (!oidcmp(&l->val_oid, &entry->val_oid))
return 0;
- ret = combine_notes(l->val_sha1,
- entry->val_sha1);
- if (!ret && is_null_sha1(l->val_sha1))
+ ret = combine_notes(l->val_oid.hash,
+ entry->val_oid.hash);
+ if (!ret && is_null_oid(&l->val_oid))
note_tree_remove(t, tree, n, entry);
free(entry);
return ret;
}
break;
case PTR_TYPE_SUBTREE:
- if (!SUBTREE_SHA1_PREFIXCMP(l->key_sha1,
- entry->key_sha1)) {
+ if (!SUBTREE_SHA1_PREFIXCMP(l->key_oid.hash,
+ entry->key_oid.hash)) {
/* unpack 'entry' */
load_subtree(t, entry, tree, n);
free(entry);
@@ -287,7 +287,7 @@ static int note_tree_insert(struct notes_tree *t, struct int_node *tree,
}
break;
case PTR_TYPE_SUBTREE:
- if (!SUBTREE_SHA1_PREFIXCMP(entry->key_sha1, l->key_sha1)) {
+ if (!SUBTREE_SHA1_PREFIXCMP(entry->key_oid.hash, l->key_oid.hash)) {
/* unpack 'l' and restart insert */
*p = NULL;
load_subtree(t, l, tree, n);
@@ -301,7 +301,7 @@ static int note_tree_insert(struct notes_tree *t, struct int_node *tree,
/* non-matching leaf_node */
assert(GET_PTR_TYPE(*p) == PTR_TYPE_NOTE ||
GET_PTR_TYPE(*p) == PTR_TYPE_SUBTREE);
- if (is_null_sha1(entry->val_sha1)) { /* skip insertion of empty note */
+ if (is_null_oid(&entry->val_oid)) { /* skip insertion of empty note */
free(entry);
return 0;
}
@@ -373,7 +373,7 @@ static void add_non_note(struct notes_tree *t, char *path,
n->next = NULL;
n->path = path;
n->mode = mode;
- hashcpy(n->sha1, sha1);
+ hashcpy(n->oid.hash, sha1);
t->prev_non_note = n;
if (!t->first_non_note) {
@@ -399,7 +399,7 @@ static void add_non_note(struct notes_tree *t, char *path,
if (non_note_cmp(p, n) == 0) { /* n ~= p; overwrite p with n */
assert(strcmp(p->path, n->path) == 0);
p->mode = n->mode;
- hashcpy(p->sha1, n->sha1);
+ oidcpy(&p->oid, &n->oid);
free(n);
t->prev_non_note = p;
return;
@@ -422,14 +422,14 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
unsigned char type;
struct leaf_node *l;
- buf = fill_tree_descriptor(&desc, subtree->val_sha1);
+ buf = fill_tree_descriptor(&desc, subtree->val_oid.hash);
if (!buf)
die("Could not read %s for notes-index",
- sha1_to_hex(subtree->val_sha1));
+ oid_to_hex(&subtree->val_oid));
- prefix_len = subtree->key_sha1[19];
+ prefix_len = subtree->key_oid.hash[19];
assert(prefix_len * 2 >= n);
- memcpy(object_sha1, subtree->key_sha1, prefix_len);
+ memcpy(object_sha1, 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,
@@ -447,12 +447,12 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
type = PTR_TYPE_NOTE;
l = (struct leaf_node *)
xcalloc(1, sizeof(struct leaf_node));
- hashcpy(l->key_sha1, object_sha1);
- hashcpy(l->val_sha1, entry.oid->hash);
+ hashcpy(l->key_oid.hash, object_sha1);
+ oidcpy(&l->val_oid, entry.oid);
if (len < 20) {
if (!S_ISDIR(entry.mode) || path_len != 2)
goto handle_non_note; /* not subtree */
- l->key_sha1[19] = (unsigned char) len;
+ l->key_oid.hash[19] = (unsigned char) len;
type = PTR_TYPE_SUBTREE;
}
if (note_tree_insert(t, node, n, l, type,
@@ -460,7 +460,7 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
die("Failed to load %s %s into notes tree "
"from %s",
type == PTR_TYPE_NOTE ? "note" : "subtree",
- sha1_to_hex(l->key_sha1), t->ref);
+ oid_to_hex(&l->key_oid), t->ref);
}
continue;
@@ -486,7 +486,7 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
*/
{
struct strbuf non_note_path = STRBUF_INIT;
- const char *q = sha1_to_hex(subtree->key_sha1);
+ const char *q = oid_to_hex(&subtree->key_oid);
int i;
for (i = 0; i < prefix_len; i++) {
strbuf_addch(&non_note_path, *q++);
@@ -599,15 +599,17 @@ static int for_each_note_helper(struct notes_tree *t, struct int_node *tree,
flags & FOR_EACH_NOTE_YIELD_SUBTREES) {
/* invoke callback with subtree */
unsigned int path_len =
- l->key_sha1[19] * 2 + fanout;
+ l->key_oid.hash[19] * 2 + fanout;
assert(path_len < FANOUT_PATH_MAX - 1);
- construct_path_with_fanout(l->key_sha1, fanout,
+ construct_path_with_fanout(l->key_oid.hash,
+ fanout,
path);
/* Create trailing slash, if needed */
if (path[path_len - 1] != '/')
path[path_len++] = '/';
path[path_len] = '\0';
- ret = fn(l->key_sha1, l->val_sha1, path,
+ ret = fn(l->key_oid.hash, l->val_oid.hash,
+ path,
cb_data);
}
if (n > fanout * 2 ||
@@ -621,8 +623,10 @@ static int for_each_note_helper(struct notes_tree *t, struct int_node *tree,
break;
case PTR_TYPE_NOTE:
l = (struct leaf_node *) CLR_PTR_TYPE(p);
- construct_path_with_fanout(l->key_sha1, fanout, path);
- ret = fn(l->key_sha1, l->val_sha1, path, cb_data);
+ construct_path_with_fanout(l->key_oid.hash, fanout,
+ path);
+ ret = fn(l->key_oid.hash, l->val_oid.hash, path,
+ cb_data);
break;
}
if (ret)
@@ -742,7 +746,7 @@ static int write_each_non_note_until(const char *note_path,
; /* do nothing, prefer note to non-note */
else {
ret = write_each_note_helper(d->root, n->path, n->mode,
- n->sha1);
+ n->oid.hash);
if (ret)
return ret;
}
@@ -1027,8 +1031,8 @@ void init_notes(struct notes_tree *t, const char *notes_ref,
die("Failed to read notes tree referenced by %s (%s)",
notes_ref, oid_to_hex(&object_oid));
- hashclr(root_tree.key_sha1);
- hashcpy(root_tree.val_sha1, oid.hash);
+ oidclr(&root_tree.key_oid);
+ oidcpy(&root_tree.val_oid, &oid);
load_subtree(t, &root_tree, t->root, 0);
}
@@ -1092,8 +1096,8 @@ int add_note(struct notes_tree *t, const unsigned char *object_sha1,
if (!combine_notes)
combine_notes = t->combine_notes;
l = (struct leaf_node *) xmalloc(sizeof(struct leaf_node));
- hashcpy(l->key_sha1, object_sha1);
- hashcpy(l->val_sha1, note_sha1);
+ hashcpy(l->key_oid.hash, object_sha1);
+ hashcpy(l->val_oid.hash, note_sha1);
return note_tree_insert(t, t->root, 0, l, PTR_TYPE_NOTE, combine_notes);
}
@@ -1104,10 +1108,10 @@ int remove_note(struct notes_tree *t, const unsigned char *object_sha1)
if (!t)
t = &default_notes_tree;
assert(t->initialized);
- hashcpy(l.key_sha1, object_sha1);
- hashclr(l.val_sha1);
+ hashcpy(l.key_oid.hash, object_sha1);
+ oidclr(&l.val_oid);
note_tree_remove(t, t->root, 0, &l);
- if (is_null_sha1(l.val_sha1)) /* no note was removed */
+ if (is_null_oid(&l.val_oid)) /* no note was removed */
return 1;
t->dirty = 1;
return 0;
@@ -1122,7 +1126,7 @@ const unsigned char *get_note(struct notes_tree *t,
t = &default_notes_tree;
assert(t->initialized);
found = note_tree_find(t, t->root, 0, object_sha1);
- return found ? found->val_sha1 : NULL;
+ return found ? found->val_oid.hash : NULL;
}
int for_each_note(struct notes_tree *t, int flags, each_note_fn fn,
--
2.13.0.219.gdb65acc882-goog