text: #define _POSIX_C_SOURCE 200809L
  #include <string.h>
  #include "sway/commands.h"
  #include "log.h"
  
  struct cmd_results *bar_cmd_separator_symbol(int argc, char **argv) {
  	struct cmd_results *error = NULL;
  	if ((error = checkarg(argc, "separator_symbol", EXPECTED_EQUAL_TO, 1))) {
  		return error;
  	}
  	if (!config->current_bar) {
  		return cmd_results_new(CMD_FAILURE,
  				"separator_symbol", "No bar defined.");
  	}
  	free(config->current_bar->separator_symbol);
  	config->current_bar->separator_symbol = strdup(argv[0]);
  	wlr_log(WLR_DEBUG, "Settings separator_symbol '%s' for bar: %s",
  			config->current_bar->separator_symbol, config->current_bar->id);
  	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
  }
  