// (C) 2016 Cybozu.

#include "yrmcds.h"

#include <errno.h>

yrmcds_error yrmcds_text_mode(yrmcds* c) {

    if( c == NULL )

        return YRMCDS_BAD_ARGUMENT;

#ifndef LIBYRMCDS_NO_INTERNAL_LOCK

    int e = pthread_mutex_lock(&c->lock);

    if( e != 0 ) {

        errno = e;

        return YRMCDS_SYSTEM_ERROR;

    }

#endif // ! LIBYRMCDS_NO_INTERNAL_LOCK

    yrmcds_error ret = YRMCDS_OK;

    if( c->serial != 0 ) {

        ret = YRMCDS_IN_BINARY;

        goto OUT;

    }

    c->text_mode = 1;

  OUT:

#ifndef LIBYRMCDS_NO_INTERNAL_LOCK

    pthread_mutex_unlock(&c->lock);

#endif

    return ret;

}