apply_options.c

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/* ************************************************************************** */
/*      ____    _    _____ ____     _    _   _   _____ _  _   ____  ____      */
/*     / ___|  / \  |  ___|  _ \   / \  | \ | | |_   _| || | |  _ \/ ___|     */
/*     \___ \ / _ \ | |_  | |_) | / _ \ |  \| |   | | | || |_| | | \___ \     */
/*      ___) / ___ \|  _| |  _ < / ___ \| |\  |   | | |__   _| |_| |___) |    */
/*     |____/_/   \_|_|   |_| \_/_/   \_|_| \_|   |_|    |_| |____/|____/     */
/*                                                                            */
/* ************************************************************************** */
 
#include "o2s/log.h"
#include "o2s/serial.h"
 
#include <termios.h> // tcsetattr
 
#include <errno.h>
#include <iso646.h>  // not
#include <stdbool.h>
#include <string.h>  // strerror

bool serial_apply_options(serial_port_t* port)
{
    if (not port->got_options)
        return false;
    if (tcsetattr(port->file.descriptor, TCSANOW, &port->options.termios) != 0)
    {
        log_error("Unable to apply the attributes of the terminal: %s", strerror(errno));
        return false;
    }
    port->got_options = false;
    return true;
}