Don't be an ass - don't free the 2nd list. Instead just empty it.

This commit is contained in:
Roy Marples 2007-09-18 15:43:19 +00:00
parent 9587d71df3
commit 81c009e47d
7 changed files with 55 additions and 35 deletions

View File

@ -12,8 +12,7 @@
rc_strlist_add and friends now take char *** instead of char ** and
return a pointer to the item added instead of the new list head. This is
so we can easily tell if the item was successfully added or not instead
of iterating through the list looking for it. rc_strlist_join now frees
list2 for ease of use.
of iterating through the list looking for it.
list = rc_strlist_add (list, item);
becomes

View File

@ -479,6 +479,7 @@ char **rc_order_services (rc_depinfo_t *deptree, const char *runlevel,
char **types = NULL;
char **services = NULL;
bool reverse = false;
char **tmp = NULL;
if (! runlevel)
return (NULL);
@ -493,25 +494,33 @@ char **rc_order_services (rc_depinfo_t *deptree, const char *runlevel,
strcmp (runlevel, RC_LEVEL_REBOOT) == 0)
{
list = rc_ls_dir (RC_SVCDIR_STARTING, RC_LS_INITD);
rc_strlist_join (&list,
rc_ls_dir (RC_SVCDIR_INACTIVE, RC_LS_INITD));
rc_strlist_join (&list,
rc_ls_dir (RC_SVCDIR_STARTED, RC_LS_INITD));
tmp = rc_ls_dir (RC_SVCDIR_INACTIVE, RC_LS_INITD);
rc_strlist_join (&list, tmp);
rc_strlist_free (tmp);
tmp = rc_ls_dir (RC_SVCDIR_INACTIVE, RC_LS_INITD);
rc_strlist_join (&list, tmp);
rc_strlist_free (tmp);
reverse = true;
} else {
list = rc_services_in_runlevel (runlevel);
/* Add coldplugged services */
rc_strlist_join (&list, rc_ls_dir (RC_SVCDIR_COLDPLUGGED, RC_LS_INITD));
tmp = rc_ls_dir (RC_SVCDIR_COLDPLUGGED, RC_LS_INITD);
rc_strlist_join (&list, tmp);
rc_strlist_free (tmp);
/* If we're not the boot runlevel then add that too */
if (strcmp (runlevel, bootlevel) != 0) {
char *path = rc_strcatpaths (RC_RUNLEVELDIR, bootlevel,
(char *) NULL);
rc_strlist_join (&list, rc_ls_dir (path, RC_LS_INITD));
tmp = rc_ls_dir (path, RC_LS_INITD);
rc_strlist_join (&list, tmp);
rc_strlist_free (tmp);
free (path);
}
}
}
/* Now we have our lists, we need to pull in any dependencies
and order them */

View File

@ -462,7 +462,10 @@ char **rc_filter_env (void)
if (! whitelist)
ewarn ("system environment whitelist (" SYS_WHITELIST ") missing");
rc_strlist_join (&whitelist, rc_get_list (USR_WHITELIST));
env = rc_get_list (USR_WHITELIST);
rc_strlist_join (&whitelist, env);
rc_strlist_free (env);
env = NULL;
if (! whitelist)
return (NULL);

View File

@ -142,16 +142,10 @@ int rc_strlist_join (char ***list1, char **list2)
int i = 0;
int j = 0;
if (! lst1 && list2) {
*list1 = list2;
return (0);
}
if (! list2 && lst1)
return (0);
if (! lst1 && ! list2)
if (! list2)
return (0);
while (lst1[i])
while (lst1 && lst1[i])
i++;
while (list2[j])
@ -162,14 +156,13 @@ int rc_strlist_join (char ***list1, char **list2)
j = 0;
while (list2[j]) {
newlist[i] = list2[j];
/* Take the item off the 2nd list as it's only a shallow copy */
list2[j] = NULL;
i++;
j++;
}
newlist[i] = NULL;
/* We free list2 here for ease of use. */
free (list2);
*list1 = newlist;
return (0);
}

View File

@ -723,6 +723,7 @@ int main (int argc, char **argv)
char *newlevel = NULL;
char *service = NULL;
char **deporder = NULL;
char **tmplist;
int i = 0;
int j = 0;
bool going_down = false;
@ -815,7 +816,9 @@ int main (int argc, char **argv)
/* Ensure our environment is pure
Also, add our configuration to it */
env = rc_filter_env ();
rc_strlist_join (&env, rc_make_env ());
tmplist = rc_make_env ();
rc_strlist_join (&env, tmplist);
rc_strlist_free (tmplist);
if (env) {
char *p;
@ -1089,17 +1092,23 @@ int main (int argc, char **argv)
/* Build a list of all services to stop and then work out the
correct order for stopping them */
stop_services = rc_ls_dir (RC_SVCDIR_STARTING, RC_LS_INITD);
rc_strlist_join (&stop_services,
rc_ls_dir (RC_SVCDIR_INACTIVE, RC_LS_INITD));
rc_strlist_join (&stop_services,
rc_ls_dir (RC_SVCDIR_STARTED, RC_LS_INITD));
tmplist = rc_ls_dir (RC_SVCDIR_INACTIVE, RC_LS_INITD);
rc_strlist_join (&stop_services, tmplist);
rc_strlist_free (tmplist);
tmplist = rc_ls_dir (RC_SVCDIR_STARTED, RC_LS_INITD);
rc_strlist_join (&stop_services, tmplist);
rc_strlist_free (tmplist);
types = NULL;
rc_strlist_add (&types, "ineed");
rc_strlist_add (&types, "iuse");
rc_strlist_add (&types, "iafter");
deporder = rc_get_depends (deptree, types, stop_services,
runlevel, depoptions | RC_DEP_STOP);
rc_strlist_free (stop_services);
rc_strlist_free (types);
types = NULL;
@ -1123,7 +1132,9 @@ int main (int argc, char **argv)
}
tmp = rc_strcatpaths (RC_RUNLEVELDIR, newlevel ? newlevel : runlevel,
(char *) NULL);
rc_strlist_join (&start_services, rc_ls_dir (tmp, RC_LS_INITD));
tmplist = rc_ls_dir (tmp, RC_LS_INITD);
rc_strlist_join (&start_services, tmplist);
rc_strlist_free (tmplist);
CHAR_FREE (tmp);
} else {
/* Store our list of coldplugged services */
@ -1134,11 +1145,13 @@ int main (int argc, char **argv)
strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0)
{
/* We need to include the boot runlevel services if we're not in it */
rc_strlist_join (&start_services,
rc_services_in_runlevel (bootlevel));
rc_strlist_join (&start_services,
rc_services_in_runlevel (newlevel ?
newlevel : runlevel));
tmplist = rc_services_in_runlevel (bootlevel);
rc_strlist_join (&start_services, tmplist);
rc_strlist_free (tmplist);
tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel);
rc_strlist_join (&start_services, tmplist);
rc_strlist_free (tmplist);
STRLIST_FOREACH (coldplugged_services, service, i)
rc_strlist_add (&start_services, service);

View File

@ -203,8 +203,8 @@ char *rc_strlist_addsort (char ***list, const char *item);
char *rc_strlist_addsortc (char ***list, const char *item);
char *rc_strlist_addsortu (char ***list, const char *item);
int rc_strlist_delete (char ***list, const char *item);
/* rc_strlist_list_join does a shallow copy of list2 onto list1
* and then frees the pointer for list2 (but not the contents) */
/* join moves items from list2 to list1, so list2 is empty
* on return. It still needs to be freed though. */
int rc_strlist_join (char ***list1, char **list2);
void rc_strlist_reverse (char **list);
void rc_strlist_free (char **list);

View File

@ -1048,8 +1048,11 @@ int runscript (int argc, char **argv)
if ((softlevel = getenv ("RC_SOFTLEVEL")) == NULL) {
/* Ensure our environment is pure
Also, add our configuration to it */
tmplist = rc_make_env();
env = rc_filter_env ();
rc_strlist_join (&env, rc_make_env ());
rc_strlist_join (&env, tmplist);
rc_strlist_free (tmplist);
tmplist = NULL;
if (env) {
char *p;