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hashmap: use *_entry APIs for iteration

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Inspired by list_for_each_entry in the Linux kernel.
Once again, these are somewhat compromised usability-wise
by compilers lacking __typeof__ support.

Signed-off-by: Eric Wong <e@80x24.org>
Reviewed-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Eric Wong
2019-10-06 23:30:38 +00:00
committed by Junio C Hamano
parent 939af16eac
commit 87571c3f71
13 changed files with 70 additions and 47 deletions
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25
merge-recursive.c
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@ -2135,8 +2135,9 @@ static void handle_directory_level_conflicts(struct merge_options *opt,
struct string_list remove_from_head = STRING_LIST_INIT_NODUP;
struct string_list remove_from_merge = STRING_LIST_INIT_NODUP;
hashmap_iter_init(dir_re_head, &iter);
while ((head_ent = hashmap_iter_next(&iter))) {
hashmap_for_each_entry(dir_re_head, &iter, head_ent,
struct dir_rename_entry,
ent /* member name */) {
merge_ent = dir_rename_find_entry(dir_re_merge, head_ent->dir);
if (merge_ent &&
!head_ent->non_unique_new_dir &&
@ -2160,8 +2161,9 @@ static void handle_directory_level_conflicts(struct merge_options *opt,
remove_hashmap_entries(dir_re_head, &remove_from_head);
remove_hashmap_entries(dir_re_merge, &remove_from_merge);
hashmap_iter_init(dir_re_merge, &iter);
while ((merge_ent = hashmap_iter_next(&iter))) {
hashmap_for_each_entry(dir_re_merge, &iter, merge_ent,
struct dir_rename_entry,
ent /* member name */) {
head_ent = dir_rename_find_entry(dir_re_head, merge_ent->dir);
if (tree_has_path(opt->repo, merge, merge_ent->dir)) {
/* 2. This wasn't a directory rename after all */
@ -2265,8 +2267,9 @@ static struct hashmap *get_directory_renames(struct diff_queue_struct *pairs)
* we set non_unique_new_dir. Once we've determined the winner (or
* that there is no winner), we no longer need possible_new_dirs.
*/
hashmap_iter_init(dir_renames, &iter);
while ((entry = hashmap_iter_next(&iter))) {
hashmap_for_each_entry(dir_renames, &iter, entry,
struct dir_rename_entry,
ent /* member name */) {
int max = 0;
int bad_max = 0;
char *best = NULL;
@ -2624,8 +2627,9 @@ static struct string_list *get_renames(struct merge_options *opt,
entries);
}
hashmap_iter_init(&collisions, &iter);
while ((e = hashmap_iter_next(&iter))) {
hashmap_for_each_entry(&collisions, &iter, e,
struct collision_entry,
ent /* member name */) {
free(e->target_file);
string_list_clear(&e->source_files, 0);
}
@ -2842,8 +2846,9 @@ static void initial_cleanup_rename(struct diff_queue_struct *pairs,
struct hashmap_iter iter;
struct dir_rename_entry *e;
hashmap_iter_init(dir_renames, &iter);
while ((e = hashmap_iter_next(&iter))) {
hashmap_for_each_entry(dir_renames, &iter, e,
struct dir_rename_entry,
ent /* member name */) {
free(e->dir);
strbuf_release(&e->new_dir);
/* possible_new_dirs already cleared in get_directory_renames */