Function bufon

src/sfstruct.c:414–433

}

void
bufon(int fd)
{
    int idx = getidx(fd, NOFLG);

    if (idx >= 0) {
        bw_sticky[idx] = fd;
#ifdef USE_BUFFERING
        if (bw_buffered[idx])
            panic("buffering already enabled");
        if (!bw_FILE[idx]) {
            if ((bw_FILE[idx] = fdopen(fd, "w")) == 0)
                panic("buffering of file %d failed", fd);
        }
        bw_buffered[idx] = (bw_FILE[idx] != 0);
#else
        bw_buffered[idx] = 1;
#endif
    }
}

void
bufoff(int fd)