Function msIO_printf

mapio.c:312–364

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

int msIO_printf( 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_printf()");
        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( stdout );
    if( context == NULL )
        return -1;

    return_val = msIO_contextWrite( context, 
                                    largerBuf?largerBuf:workBuf, 
                                    return_val );
    msFree(largerBuf);

    return return_val;
}

/************************************************************************/
/*                            msIO_fprintf()                            */