diff options
Diffstat (limited to 'src/udev/udev-rules.c')
| -rw-r--r-- | src/udev/udev-rules.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c index b3b42fe989..ee35f464e8 100644 --- a/src/udev/udev-rules.c +++ b/src/udev/udev-rules.c @@ -2471,19 +2471,32 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event case TK_A_ENV: { const char *name = &rules->buf[cur->key.attr_off]; char *value = &rules->buf[cur->key.value_off]; + char value_new[UTIL_NAME_SIZE]; + const char *value_old = NULL; + struct udev_list_entry *entry; - if (value[0] != '\0') { - char temp_value[UTIL_NAME_SIZE]; - struct udev_list_entry *entry; - - udev_event_apply_format(event, value, temp_value, sizeof(temp_value)); - entry = udev_device_add_property(event->dev, name, temp_value); - /* store in db, skip private keys */ - if (name[0] != '.') - udev_list_entry_set_num(entry, true); - } else { + if (value[0] == '\0') { + if (cur->key.op == OP_ADD) + break; udev_device_add_property(event->dev, name, NULL); + break; } + + if (cur->key.op == OP_ADD) + value_old = udev_device_get_property_value(event->dev, name); + if (value_old) { + char temp[UTIL_NAME_SIZE]; + + /* append value separated by space */ + udev_event_apply_format(event, value, temp, sizeof(temp)); + util_strscpyl(value_new, sizeof(value_new), value_old, " ", temp, NULL); + } else + udev_event_apply_format(event, value, value_new, sizeof(value_new)); + + entry = udev_device_add_property(event->dev, name, value_new); + /* store in db, skip private keys */ + if (name[0] != '.') + udev_list_entry_set_num(entry, true); break; } case TK_A_TAG: { |