diff --git a/src/libsystemd/sd-netlink/netlink-message.c b/src/libsystemd/sd-netlink/netlink-message.c index aaf8811d8d..3679819f2d 100644 --- a/src/libsystemd/sd-netlink/netlink-message.c +++ b/src/libsystemd/sd-netlink/netlink-message.c @@ -250,6 +250,35 @@ int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type, return 0; } +int sd_netlink_message_append_strv(sd_netlink_message *m, unsigned short type, char * const *data) { + size_t length, size; + char * const *p; + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(data, -EINVAL); + + r = message_attribute_has_type(m, &size, type, NETLINK_TYPE_STRING); + if (r < 0) + return r; + + STRV_FOREACH(p, data) { + if (size) { + length = strnlen(*p, size+1); + if (length > size) + return -EINVAL; + } else + length = strlen(*p); + + r = add_rtattr(m, type, *p, length + 1); + if (r < 0) + return r; + } + + return 0; +} + int sd_netlink_message_append_flag(sd_netlink_message *m, unsigned short type) { size_t size; int r; diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h index fbddcea3d7..644d462b65 100644 --- a/src/systemd/sd-netlink.h +++ b/src/systemd/sd-netlink.h @@ -80,6 +80,7 @@ int sd_netlink_attach_event(sd_netlink *nl, sd_event *e, int64_t priority); int sd_netlink_detach_event(sd_netlink *nl); int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type, const char *data); +int sd_netlink_message_append_strv(sd_netlink_message *m, unsigned short type, char * const *data); int sd_netlink_message_append_flag(sd_netlink_message *m, unsigned short type); int sd_netlink_message_append_u8(sd_netlink_message *m, unsigned short type, uint8_t data); int sd_netlink_message_append_u16(sd_netlink_message *m, unsigned short type, uint16_t data);