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authorLennart Poettering <lennart@poettering.net>2013-01-19 01:01:41 +0100
committerLennart Poettering <lennart@poettering.net>2013-01-19 01:02:30 +0100
commit71645acac27da55d510f2e4d61cc61b4e5b93035 (patch)
treebe5b435bb0c0ccaeee51b69beae571ddd3b5efd4 /src/shared
parente884315e3d28df0d5f4e7d4590730e9760b8f447 (diff)
unit: optionally allow making cgroup attribute changes persistent
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/dbus-common.c61
-rw-r--r--src/shared/dbus-common.h1
2 files changed, 62 insertions, 0 deletions
diff --git a/src/shared/dbus-common.c b/src/shared/dbus-common.c
index e9a78c299e..50891a8ade 100644
--- a/src/shared/dbus-common.c
+++ b/src/shared/dbus-common.c
@@ -927,6 +927,67 @@ int bus_parse_strv_iter(DBusMessageIter *iter, char ***_l) {
return 0;
}
+int bus_parse_strv_pairs_iter(DBusMessageIter *iter, char ***_l) {
+ DBusMessageIter sub, sub2;
+ unsigned n = 0, i = 0;
+ char **l;
+
+ assert(iter);
+ assert(_l);
+
+ if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(iter) != DBUS_TYPE_STRUCT)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ n++;
+ dbus_message_iter_next(&sub);
+ }
+
+ l = new(char*, n*2+1);
+ if (!l)
+ return -ENOMEM;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *a, *b;
+
+ assert_se(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT);
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &a, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &b, false) < 0)
+ return -EINVAL;
+
+ l[i] = strdup(a);
+ if (!l[i]) {
+ strv_free(l);
+ return -ENOMEM;
+ }
+
+ l[++i] = strdup(b);
+ if (!l[i]) {
+ strv_free(l);
+ return -ENOMEM;
+ }
+
+ i++;
+ dbus_message_iter_next(&sub);
+ }
+
+ assert(i == n*2);
+ l[i] = NULL;
+
+ if (_l)
+ *_l = l;
+
+ return 0;
+}
+
int bus_append_strv_iter(DBusMessageIter *iter, char **l) {
DBusMessageIter sub;
diff --git a/src/shared/dbus-common.h b/src/shared/dbus-common.h
index bcbf18ffab..e141c9ec90 100644
--- a/src/shared/dbus-common.h
+++ b/src/shared/dbus-common.h
@@ -197,6 +197,7 @@ unsigned bus_events_to_flags(uint32_t events);
int bus_parse_strv(DBusMessage *m, char ***_l);
int bus_parse_strv_iter(DBusMessageIter *iter, char ***_l);
+int bus_parse_strv_pairs_iter(DBusMessageIter *iter, char ***_l);
int bus_append_strv_iter(DBusMessageIter *iter, char **l);