Function msIO_fprintf

mapio.c:370–423

/************************************************************************/

int msIO_fprintf( FILE *fp, const char *format, ... )

{
    va_list args, args_copy;
    int     return_val;
    msIOContext *context;
    char workBuf[8000], *largerBuf = NULL;

    va_start( args, format );

#if !defined(HAVE_VSNPRINTF)
    return_val = vsprintf( workBuf, format, args);

    if( return_val < 0 || return_val >= sizeof(workBuf) )
    {
        va_end( args );
        msSetError(MS_MISCERR, "Possible buffer overrun.", "msIO_fprintf()");
        return -1;
    }

#else

#ifdef va_copy
    va_copy( args_copy, args );
#else
    args_copy = args;
#endif /* va_copy */

    return_val = vsnprintf( workBuf, sizeof(workBuf), format, args );
    if (return_val == -1 || return_val >= sizeof(workBuf)-1)
    {
        return_val = _ms_vsprintf(&largerBuf, format, args_copy );
    }
    va_end(args_copy);

#endif /* HAVE_VSNPRINTF */

    va_end( args );

    if (return_val < 0)
        return -1;

    context = msIO_getHandler( fp );
    if( context == NULL )
        return_val = fwrite( largerBuf?largerBuf:workBuf, 1, return_val, fp );
    else
        return_val =  msIO_contextWrite( context, 
                                         largerBuf?largerBuf:workBuf, 
                                         return_val );

    msFree(largerBuf);

    return return_val;
}

/************************************************************************/
/*                            msIO_vfprintf()                           */