226 #define for_each_dir(cg, ctrl, t)					\  argument
227 	for ((t) = (ctrl) ? (cg)->dirs_by_ctrl + (ctrl) : (cg)->dirs;	\
229 	     (t) = (ctrl) ? (cg)->dirs + ROOTS_MAX : (t) + 1)
824 static void cgroup_group_init(struct tst_cgroup_group *const cg,  in cgroup_group_init()  argument
827 	memset(cg, 0, sizeof(*cg));  in cgroup_group_init()
835 	strcpy(cg->group_name, group_name);  in cgroup_group_init()
840 				 struct tst_cgroup_group *const cg,  in cgroup_group_add_dir()  argument
847 		cg->dirs_by_ctrl[0] = dir;  in cgroup_group_add_dir()
853 		cg->dirs_by_ctrl[ctrl->ctrl_indx] = dir;  in cgroup_group_add_dir()
862 	for (i = 0; cg->dirs[i]; i++)  in cgroup_group_add_dir()
864 	cg->dirs[i] = dir;  in cgroup_group_add_dir()
871 	struct tst_cgroup_group *cg;  in tst_cgroup_group_mk()  local
875 	cg = SAFE_MALLOC(sizeof(*cg));  in tst_cgroup_group_mk()
876 	cgroup_group_init(cg, group_name);  in tst_cgroup_group_mk()
881 		cgroup_group_add_dir(parent, cg, new_dir);  in tst_cgroup_group_mk()
884 	return cg;  in tst_cgroup_group_mk()
887 const char *tst_cgroup_group_name(const struct tst_cgroup_group *const cg)  in tst_cgroup_group_name()  argument
889 	return cg->group_name;  in tst_cgroup_group_name()
892 struct tst_cgroup_group *tst_cgroup_group_rm(struct tst_cgroup_group *const cg)  in tst_cgroup_group_rm()  argument
896 	for_each_dir(cg, 0, dir) {  in tst_cgroup_group_rm()
904 	free(cg);  in tst_cgroup_group_rm()
954 				    const struct tst_cgroup_group *const cg,  in tst_cgroup_ver()  argument
973 	dir = cg->dirs_by_ctrl[ctrl->ctrl_indx];  in tst_cgroup_ver()
978 			 ctrl_name, cg->group_name);  in tst_cgroup_ver()
1002 		    const struct tst_cgroup_group *cg,  in safe_cgroup_has()  argument
1013 	for_each_dir(cg, cfile->ctrl_indx, dir) {  in safe_cgroup_has()
1037 	struct tst_cgroup_group *cg;  in cgroup_group_from_roots()  local
1039 	cg = tst_alloc(sizeof(*cg));  in cgroup_group_from_roots()
1040 	cgroup_group_init(cg, NULL);  in cgroup_group_from_roots()
1046 			cgroup_group_add_dir(NULL, cg, dir);  in cgroup_group_from_roots()
1049 	if (cg->dirs[0]) {  in cgroup_group_from_roots()
1050 		strncpy(cg->group_name, cg->dirs[0]->dir_name, NAME_MAX);  in cgroup_group_from_roots()
1051 		return cg;  in cgroup_group_from_roots()
1057 	return cg;  in cgroup_group_from_roots()
1071 			 const struct tst_cgroup_group *const cg,  in safe_cgroup_read()  argument
1083 	for_each_dir(cg, cfile->ctrl_indx, dir) {  in safe_cgroup_read()
1112 			const struct tst_cgroup_group *cg,  in safe_cgroup_printf()  argument
1122 	for_each_dir(cg, cfile->ctrl_indx, dir) {  in safe_cgroup_printf()
1135 		       const struct tst_cgroup_group *const cg,  in safe_cgroup_scanf()  argument
1142 				       cg, file_name, buf, sizeof(buf));  in safe_cgroup_scanf()
1166 			     const struct tst_cgroup_group *const cg,  in safe_cgroup_lines_scanf()  argument
1173 				       cg, file_name, buf, sizeof(buf));  in safe_cgroup_lines_scanf()
1199 			 const struct tst_cgroup_group *const cg,  in safe_cgroup_occursin()  argument
1205 	safe_cgroup_read(file, lineno, cg, file_name, buf, sizeof(buf));  in safe_cgroup_occursin()