summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJunio C Hamano <gitster@pobox.com>2015-10-30 20:07:03 (GMT)
committerJunio C Hamano <gitster@pobox.com>2015-10-30 20:07:03 (GMT)
commit0692a6c22c37e07ef07a3d2c5d39deaaa3c26ffe (patch)
tree4a25ada2e2aa20ecf3caf6e1af76e2ebf999cb85
parent23d58a00e55f0e5803e190ce861c5354cf19484a (diff)
parente510ab898865fdaf131e9bc9fd6ab6b7c4a94c9b (diff)
downloadgit-0692a6c22c37e07ef07a3d2c5d39deaaa3c26ffe.zip
git-0692a6c22c37e07ef07a3d2c5d39deaaa3c26ffe.tar.gz
git-0692a6c22c37e07ef07a3d2c5d39deaaa3c26ffe.tar.bz2
Merge branch 'rs/pop-commit'
Code simplification. * rs/pop-commit: use pop_commit() for consuming the first entry of a struct commit_list
-rw-r--r--builtin/fmt-merge-msg.c9
-rw-r--r--builtin/merge.c12
-rw-r--r--builtin/reflog.c6
-rw-r--r--builtin/rev-parse.c7
-rw-r--r--builtin/show-branch.c17
-rw-r--r--commit.c27
-rw-r--r--remote.c6
-rw-r--r--revision.c27
-rw-r--r--shallow.c6
-rw-r--r--upload-pack.c6
10 files changed, 31 insertions, 92 deletions
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index 4ba7f28..846004b 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -537,7 +537,7 @@ static void fmt_merge_msg_sigs(struct strbuf *out)
static void find_merge_parents(struct merge_parents *result,
struct strbuf *in, unsigned char *head)
{
- struct commit_list *parents, *next;
+ struct commit_list *parents;
struct commit *head_commit;
int pos = 0, i, j;
@@ -576,13 +576,10 @@ static void find_merge_parents(struct merge_parents *result,
parents = reduce_heads(parents);
while (parents) {
+ struct commit *cmit = pop_commit(&parents);
for (i = 0; i < result->nr; i++)
- if (!hashcmp(result->item[i].commit,
- parents->item->object.sha1))
+ if (!hashcmp(result->item[i].commit, cmit->object.sha1))
result->item[i].used = 1;
- next = parents->next;
- free(parents);
- parents = next;
}
for (i = j = 0; i < result->nr; i++) {
diff --git a/builtin/merge.c b/builtin/merge.c
index 977ffff..bbf3110 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -1019,7 +1019,7 @@ static struct commit_list *reduce_parents(struct commit *head_commit,
int *head_subsumed,
struct commit_list *remoteheads)
{
- struct commit_list *parents, *next, **remotes = &remoteheads;
+ struct commit_list *parents, **remotes;
/*
* Is the current HEAD reachable from another commit being
@@ -1033,16 +1033,14 @@ static struct commit_list *reduce_parents(struct commit *head_commit,
/* Find what parents to record by checking independent ones. */
parents = reduce_heads(remoteheads);
- for (remoteheads = NULL, remotes = &remoteheads;
- parents;
- parents = next) {
- struct commit *commit = parents->item;
- next = parents->next;
+ remoteheads = NULL;
+ remotes = &remoteheads;
+ while (parents) {
+ struct commit *commit = pop_commit(&parents);
if (commit == head_commit)
*head_subsumed = 0;
else
remotes = &commit_list_insert(commit, remotes)->next;
- free(parents);
}
return remoteheads;
}
diff --git a/builtin/reflog.c b/builtin/reflog.c
index f96ca2a..cf1145e 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -218,7 +218,6 @@ static int keep_entry(struct commit **it, unsigned char *sha1)
*/
static void mark_reachable(struct expire_reflog_policy_cb *cb)
{
- struct commit *commit;
struct commit_list *pending;
unsigned long expire_limit = cb->mark_limit;
struct commit_list *leftover = NULL;
@@ -228,11 +227,8 @@ static void mark_reachable(struct expire_reflog_policy_cb *cb)
pending = cb->mark_list;
while (pending) {
- struct commit_list *entry = pending;
struct commit_list *parent;
- pending = entry->next;
- commit = entry->item;
- free(entry);
+ struct commit *commit = pop_commit(&pending);
if (commit->object.flags & REACHABLE)
continue;
if (parse_commit(commit))
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 02d747d..e92a782 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -281,11 +281,8 @@ static int try_difference(const char *arg)
b = lookup_commit_reference(end);
exclude = get_merge_bases(a, b);
while (exclude) {
- struct commit_list *n = exclude->next;
- show_rev(REVERSED,
- exclude->item->object.sha1,NULL);
- free(exclude);
- exclude = n;
+ struct commit *commit = pop_commit(&exclude);
+ show_rev(REVERSED, commit->object.sha1, NULL);
}
}
*dotdot = '.';
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index 092b59b..ac5141d 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -53,17 +53,6 @@ static struct commit *interesting(struct commit_list *list)
return NULL;
}
-static struct commit *pop_one_commit(struct commit_list **list_p)
-{
- struct commit *commit;
- struct commit_list *list;
- list = *list_p;
- commit = list->item;
- *list_p = list->next;
- free(list);
- return commit;
-}
-
struct commit_name {
const char *head_name; /* which head's ancestor? */
int generation; /* how many parents away from head_name */
@@ -213,7 +202,7 @@ static void join_revs(struct commit_list **list_p,
while (*list_p) {
struct commit_list *parents;
int still_interesting = !!interesting(*list_p);
- struct commit *commit = pop_one_commit(list_p);
+ struct commit *commit = pop_commit(list_p);
int flags = commit->object.flags & all_mask;
if (!still_interesting && extra <= 0)
@@ -504,7 +493,7 @@ static int show_merge_base(struct commit_list *seen, int num_rev)
int exit_status = 1;
while (seen) {
- struct commit *commit = pop_one_commit(&seen);
+ struct commit *commit = pop_commit(&seen);
int flags = commit->object.flags & all_mask;
if (!(flags & UNINTERESTING) &&
((flags & all_revs) == all_revs)) {
@@ -929,7 +918,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
all_revs = all_mask & ~((1u << REV_SHIFT) - 1);
while (seen) {
- struct commit *commit = pop_one_commit(&seen);
+ struct commit *commit = pop_commit(&seen);
int this_flag = commit->object.flags;
int is_merge_point = ((this_flag & all_revs) == all_revs);
diff --git a/commit.c b/commit.c
index 494615d..d1810c9 100644
--- a/commit.c
+++ b/commit.c
@@ -455,11 +455,8 @@ struct commit_list *copy_commit_list(struct commit_list *list)
void free_commit_list(struct commit_list *list)
{
- while (list) {
- struct commit_list *temp = list;
- list = temp->next;
- free(temp);
- }
+ while (list)
+ pop_commit(&list);
}
struct commit_list * commit_list_insert_by_date(struct commit *item, struct commit_list **list)
@@ -505,12 +502,8 @@ void commit_list_sort_by_date(struct commit_list **list)
struct commit *pop_most_recent_commit(struct commit_list **list,
unsigned int mark)
{
- struct commit *ret = (*list)->item;
+ struct commit *ret = pop_commit(list);
struct commit_list *parents = ret->parents;
- struct commit_list *old = *list;
-
- *list = (*list)->next;
- free(old);
while (parents) {
struct commit *commit = parents->item;
@@ -861,11 +854,9 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
list = paint_down_to_common(one, n, twos);
while (list) {
- struct commit_list *next = list->next;
- if (!(list->item->object.flags & STALE))
- commit_list_insert_by_date(list->item, &result);
- free(list);
- list = next;
+ struct commit *commit = pop_commit(&list);
+ if (!(commit->object.flags & STALE))
+ commit_list_insert_by_date(commit, &result);
}
return result;
}
@@ -1546,13 +1537,9 @@ int commit_tree_extended(const char *msg, size_t msg_len,
* if everything else stays the same.
*/
while (parents) {
- struct commit_list *next = parents->next;
- struct commit *parent = parents->item;
-
+ struct commit *parent = pop_commit(&parents);
strbuf_addf(&buffer, "parent %s\n",
sha1_to_hex(parent->object.sha1));
- free(parents);
- parents = next;
}
/* Person/date information */
diff --git a/remote.c b/remote.c
index fb16153..10f1ffc 100644
--- a/remote.c
+++ b/remote.c
@@ -1939,10 +1939,8 @@ int resolve_remote_symref(struct ref *ref, struct ref *list)
static void unmark_and_free(struct commit_list *list, unsigned int mark)
{
while (list) {
- struct commit_list *temp = list;
- temp->item->object.flags &= ~mark;
- list = temp->next;
- free(temp);
+ struct commit *commit = pop_commit(&list);
+ commit->object.flags &= ~mark;
}
}
diff --git a/revision.c b/revision.c
index 2236463..0fbb684 100644
--- a/revision.c
+++ b/revision.c
@@ -153,10 +153,7 @@ void mark_parents_uninteresting(struct commit *commit)
commit_list_insert(l->item, &parents);
while (parents) {
- struct commit *commit = parents->item;
- l = parents;
- parents = parents->next;
- free(l);
+ struct commit *commit = pop_commit(&parents);
while (commit) {
/*
@@ -1102,14 +1099,10 @@ static int limit_list(struct rev_info *revs)
}
while (list) {
- struct commit_list *entry = list;
- struct commit *commit = list->item;
+ struct commit *commit = pop_commit(&list);
struct object *obj = &commit->object;
show_early_output_fn_t show;
- list = list->next;
- free(entry);
-
if (commit == interesting_cache)
interesting_cache = NULL;
@@ -2733,10 +2726,7 @@ static void simplify_merges(struct rev_info *revs)
yet_to_do = NULL;
tail = &yet_to_do;
while (list) {
- commit = list->item;
- next = list->next;
- free(list);
- list = next;
+ commit = pop_commit(&list);
tail = simplify_one(revs, commit, tail);
}
}
@@ -2748,10 +2738,7 @@ static void simplify_merges(struct rev_info *revs)
while (list) {
struct merge_simplify_state *st;
- commit = list->item;
- next = list->next;
- free(list);
- list = next;
+ commit = pop_commit(&list);
st = locate_simplify_state(revs, commit);
if (st->simplified == commit)
tail = &commit_list_insert(commit, tail)->next;
@@ -3125,11 +3112,7 @@ static struct commit *get_revision_1(struct rev_info *revs)
return NULL;
do {
- struct commit_list *entry = revs->commits;
- struct commit *commit = entry->item;
-
- revs->commits = entry->next;
- free(entry);
+ struct commit *commit = pop_commit(&revs->commits);
if (revs->reflog_info) {
save_parents(revs, commit);
diff --git a/shallow.c b/shallow.c
index 4f9d667..46be789 100644
--- a/shallow.c
+++ b/shallow.c
@@ -400,13 +400,9 @@ static void paint_down(struct paint_info *info, const unsigned char *sha1,
commit_list_insert(c, &head);
while (head) {
struct commit_list *p;
- struct commit *c = head->item;
+ struct commit *c = pop_commit(&head);
uint32_t **refs = ref_bitmap_at(&info->ref_bitmap, c);
- p = head;
- head = head->next;
- free(p);
-
/* XXX check "UNINTERESTING" from pack bitmaps if available */
if (c->object.flags & (SEEN | UNINTERESTING))
continue;
diff --git a/upload-pack.c b/upload-pack.c
index 89e832b..d0bc3ca 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -316,10 +316,8 @@ static int reachable(struct commit *want)
commit_list_insert_by_date(want, &work);
while (work) {
- struct commit_list *list = work->next;
- struct commit *commit = work->item;
- free(work);
- work = list;
+ struct commit_list *list;
+ struct commit *commit = pop_commit(&work);
if (commit->object.flags & THEY_HAVE) {
want->object.flags |= COMMON_KNOWN;