output_buffer.c

#define _XOPEN_SOURCE 500
#include <unistd.h>

#include "output_buffer.h"

void stdout_output_buffer ( int out_fd, uint8_t* buffer, size_t buffer_size )
{
    while ( buffer_size )
    {
        const ssize_t r = write( out_fd, (void*) buffer, buffer_size );

        buffer_size -= (size_t) r;
        buffer += (size_t) r;
    }

// freebsd doesn't appear to have fdatasync
// to get this to compile I had to patch this file
// with some preprocessor directives conditionals
// for freebsd.
#ifndef __FreeBSD__
    fdatasync( out_fd );
#else
    fsync( out_fd );
#endif
}