diff options
Diffstat (limited to 'mdk-stage1/dietlibc/lib/tcflush.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/tcflush.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/tcflush.c b/mdk-stage1/dietlibc/lib/tcflush.c new file mode 100644 index 000000000..a19fe11d1 --- /dev/null +++ b/mdk-stage1/dietlibc/lib/tcflush.c @@ -0,0 +1,23 @@ +#include <unistd.h> +#include <termios.h> +#include <sys/ioctl.h> + +#include <asm/errno.h> + +extern int errno; + +/* Flush pending data on FD. */ +int tcflush(int fd, int queue_selector) +{ + switch (queue_selector) { + case TCIFLUSH: + return ioctl(fd, TCFLSH, 0); + case TCOFLUSH: + return ioctl(fd, TCFLSH, 1); + case TCIOFLUSH: + return ioctl(fd, TCFLSH, 2); + default: + errno = EINVAL; + return -1; + } +} |