X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fdbus-common.c;h=e439a4248657d0f3060d9d342638170c753effba;hp=c2650fdf33b26585049be86349b8f7e1c8103788;hb=f401e48c2db22ff9d1a05885b5599bebf19c2707;hpb=3df5bf612325b0f6a19acb67befe28d6b07d3804 diff --git a/src/dbus-common.c b/src/dbus-common.c index c2650fdf3..e439a4248 100644 --- a/src/dbus-common.c +++ b/src/dbus-common.c @@ -503,7 +503,7 @@ int bus_property_append_uint64(DBusMessageIter *i, const char *property, void *d assert(property); assert(data); - /* Let's ensure that pid_t is actually 64bit, and hence this + /* Let's ensure that usec_t is actually 64bit, and hence this * function can be used for usec_t */ assert_cc(sizeof(uint64_t) == sizeof(usec_t)); @@ -518,11 +518,14 @@ int bus_property_append_uint32(DBusMessageIter *i, const char *property, void *d assert(property); assert(data); - /* Let's ensure that pid_t and mode_t is actually 32bit, and - * hence this function can be used for pid_t/mode_t */ + /* Let's ensure that pid_t, mode_t, uid_t, gid_t are actually + * 32bit, and hence this function can be used for + * pid_t/mode_t/uid_t/gid_t */ assert_cc(sizeof(uint32_t) == sizeof(pid_t)); assert_cc(sizeof(uint32_t) == sizeof(mode_t)); assert_cc(sizeof(uint32_t) == sizeof(unsigned)); + assert_cc(sizeof(uint32_t) == sizeof(uid_t)); + assert_cc(sizeof(uint32_t) == sizeof(gid_t)); if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, data)) return -ENOMEM; @@ -734,3 +737,62 @@ unsigned bus_events_to_flags(uint32_t events) { return flags; } + +int bus_parse_strv(DBusMessage *m, char ***_l) { + DBusMessageIter iter; + + assert(m); + assert(_l); + + if (!dbus_message_iter_init(m, &iter)) + return -EINVAL; + + return bus_parse_strv_iter(&iter, _l); +} + +int bus_parse_strv_iter(DBusMessageIter *iter, char ***_l) { + DBusMessageIter sub; + 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_STRING) + 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); + } + + if (!(l = new(char*, n+1))) + return -ENOMEM; + + dbus_message_iter_recurse(iter, &sub); + + while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { + const char *s; + + assert_se(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING); + dbus_message_iter_get_basic(&sub, &s); + + if (!(l[i++] = strdup(s))) { + strv_free(l); + return -ENOMEM; + } + + dbus_message_iter_next(&sub); + } + + assert(i == n); + l[i] = NULL; + + if (_l) + *_l = l; + + return 0; +}