diff options
Diffstat (limited to 'tools/gsr-global-hotkeys/hotplug.c')
-rw-r--r-- | tools/gsr-global-hotkeys/hotplug.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/tools/gsr-global-hotkeys/hotplug.c b/tools/gsr-global-hotkeys/hotplug.c index ba3ef9c..2e8ca9f 100644 --- a/tools/gsr-global-hotkeys/hotplug.c +++ b/tools/gsr-global-hotkeys/hotplug.c @@ -22,7 +22,7 @@ bool hotplug_event_init(hotplug_event *self) { const int fd = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT); if(fd == -1) - return false; /* Not root user */ + return false; if(bind(fd, (void*)&nls, sizeof(struct sockaddr_nl))) { close(fd); @@ -56,19 +56,22 @@ static void hotplug_event_parse_netlink_data(hotplug_event *self, const char *li if(strcmp(line, "SUBSYSTEM=input") == 0) self->subsystem_is_input = true; - if(self->subsystem_is_input && strncmp(line, "DEVNAME=", 8) == 0) + if(self->subsystem_is_input && strncmp(line, "DEVNAME=", 8) == 0) { callback(line+8, userdata); + self->event_is_add = false; + } } } /* Netlink uevent structure is documented here: https://web.archive.org/web/20160127215232/https://www.kernel.org/doc/pending/hotplug.txt */ void hotplug_event_process_event_data(hotplug_event *self, int fd, hotplug_device_added_callback callback, void *userdata) { - const int bytes_read = read(fd, self->event_data, sizeof(self->event_data)); - int data_index = 0; + const int bytes_read = read(fd, self->event_data, sizeof(self->event_data) - 1); if(bytes_read <= 0) return; + self->event_data[bytes_read] = '\0'; /* Hotplug data ends with a newline and a null terminator */ + int data_index = 0; while(data_index < bytes_read) { hotplug_event_parse_netlink_data(self, self->event_data + data_index, callback, userdata); data_index += strlen(self->event_data + data_index) + 1; /* Skip null terminator as well */ |