test-reach: use commit_stack

Use commit_stack instead of open-coding it. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

René Scharfe committed Dec 24, 2025 at 18:03 UTC 64dbeefbd24e02eb05ae3250e118c9552b7690fb
1 file changed +14 -20
t/helper/test-reach.c
+14 -20
@@ -34,8 +34,8 @@ int cmd__reach(int ac, const char **av)
34 struct commit *A, *B;
35 struct commit_list *X, *Y;
36 struct object_array X_obj = OBJECT_ARRAY_INIT;
37 - struct commit **X_array, **Y_array;
38 - size_t X_nr, X_alloc, Y_nr, Y_alloc;
37 + struct commit_stack X_stack = COMMIT_STACK_INIT;
38 + struct commit_stack Y_stack = COMMIT_STACK_INIT;
39 struct strbuf buf = STRBUF_INIT;
40 struct repository *r = the_repository;
41
@@ -46,10 +46,6 @@ int cmd__reach(int ac, const char **av)
46
47 A = B = NULL;
48 X = Y = NULL;
49 - X_nr = Y_nr = 0;
50 - X_alloc = Y_alloc = 16;
51 - ALLOC_ARRAY(X_array, X_alloc);
52 - ALLOC_ARRAY(Y_array, Y_alloc);
49
50 while (strbuf_getline(&buf, stdin) != EOF) {
51 struct object_id oid;
@@ -88,15 +84,13 @@ int cmd__reach(int ac, const char **av)
84
85 case 'X':
86 commit_list_insert(c, &X);
91 - ALLOC_GROW(X_array, X_nr + 1, X_alloc);
92 - X_array[X_nr++] = c;
87 + commit_stack_push(&X_stack, c);
88 add_object_array(orig, NULL, &X_obj);
89 break;
90
91 case 'Y':
92 commit_list_insert(c, &Y);
98 - ALLOC_GROW(Y_array, Y_nr + 1, Y_alloc);
99 - Y_array[Y_nr++] = c;
93 + commit_stack_push(&Y_stack, c);
94 break;
95
96 default:
@@ -112,16 +106,16 @@ int cmd__reach(int ac, const char **av)
106 repo_in_merge_bases(the_repository, A, B));
107 else if (!strcmp(av[1], "in_merge_bases_many"))
108 printf("%s(A,X):%d\n", av[1],
115 - repo_in_merge_bases_many(the_repository, A, X_nr, X_array, 0));
109 + repo_in_merge_bases_many(the_repository, A, X_stack.nr, X_stack.items, 0));
110 else if (!strcmp(av[1], "is_descendant_of"))
111 printf("%s(A,X):%d\n", av[1], repo_is_descendant_of(r, A, X));
112 else if (!strcmp(av[1], "get_branch_base_for_tip"))
119 - printf("%s(A,X):%d\n", av[1], get_branch_base_for_tip(r, A, X_array, X_nr));
113 + printf("%s(A,X):%d\n", av[1], get_branch_base_for_tip(r, A, X_stack.items, X_stack.nr));
114 else if (!strcmp(av[1], "get_merge_bases_many")) {
115 struct commit_list *list = NULL;
116 if (repo_get_merge_bases_many(the_repository,
123 - A, X_nr,
124 - X_array,
117 + A, X_stack.nr,
118 + X_stack.items,
119 &list) < 0)
120 exit(128);
121 printf("%s(A,X):\n", av[1]);
@@ -159,8 +153,8 @@ int cmd__reach(int ac, const char **av)
153 const int reachable_flag = 1;
154 int count = 0;
155 struct commit_list *current;
162 - struct commit_list *list = get_reachable_subset(X_array, X_nr,
163 - Y_array, Y_nr,
156 + struct commit_list *list = get_reachable_subset(X_stack.items, X_stack.nr,
157 + Y_stack.items, Y_stack.nr,
158 reachable_flag);
159 printf("get_reachable_subset(X,Y)\n");
160 for (current = list; current; current = current->next) {
@@ -169,8 +163,8 @@ int cmd__reach(int ac, const char **av)
163 oid_to_hex(&list->item->object.oid));
164 count++;
165 }
172 - for (size_t i = 0; i < Y_nr; i++) {
173 - if (Y_array[i]->object.flags & reachable_flag)
166 + for (size_t i = 0; i < Y_stack.nr; i++) {
167 + if (Y_stack.items[i]->object.flags & reachable_flag)
168 count--;
169 }
170
@@ -185,7 +179,7 @@ int cmd__reach(int ac, const char **av)
179 strbuf_release(&buf);
180 free_commit_list(X);
181 free_commit_list(Y);
188 - free(X_array);
189 - free(Y_array);
182 + commit_stack_clear(&X_stack);
183 + commit_stack_clear(&Y_stack);
184 return 0;
185 }