Fix mosquitto_pub -l not sending the final line of stdin

This would happen if the final line did not end with a new line.

Closes #1473. Thanks to majekw.

ChangeLog.txt

@@ -24,6 +24,8 @@ Client library:
 Clients:
 - Fix duplicate cfg definition in rr_client. Closes #1453.
 - Fix `mosquitto_pub -l` hang when stdin stream ends. Closes #1448.
+- Fix `mosquitto_pub -l` not sending the final line of stdin if it does not
+ end with a new line. Closes #1473.
 
 Build:
 - Added `CLIENT_STATIC_LDADD` to makefile builds to allow more libraries to be

client/pub_client.c

@@ -223,7 +223,7 @@ int pub_shared_init(void)
 int pub_stdin_line_loop(struct mosquitto *mosq)
 {
  char *buf2;
- int buf_len_actual;
+ int buf_len_actual = 0;
  int pos;
  int rc = MOSQ_ERR_SUCCESS;
  int read_len;
@@ -240,6 +240,7 @@ int pub_stdin_line_loop(struct mosquitto *mosq)
  if(line_buf[buf_len_actual-1] == '\n'){
  line_buf[buf_len_actual-1] = '\0';
  rc = my_publish(mosq, &mid_sent, cfg.topic, buf_len_actual-1, line_buf, cfg.qos, cfg.retain);
+ pos = 0;
  if(rc){
  err_printf(&cfg, "Error: Publish returned %d, disconnecting.\n", rc);
  mosquitto_disconnect_v5(mosq, MQTT_RC_DISCONNECT_WITH_WILL_MSG, cfg.disconnect_props);
@@ -257,6 +258,13 @@ int pub_stdin_line_loop(struct mosquitto *mosq)
  line_buf = buf2;
  }
  }
+ if(pos != 0){
+ rc = my_publish(mosq, &mid_sent, cfg.topic, buf_len_actual, line_buf, cfg.qos, cfg.retain);
+ if(rc){
+ err_printf(&cfg, "Error: Publish returned %d, disconnecting.\n", rc);
+ mosquitto_disconnect_v5(mosq, MQTT_RC_DISCONNECT_WITH_WILL_MSG, cfg.disconnect_props);
+ }
+ }
  if(feof(stdin)){
  if(mid_sent == -1){
  /* Empty file */