[aarch64-port-dev ] Stop spurious O_BUFLEN warnings

[Andrew Haley]

Hi,

On 05/13/2014 03:16 PM, Edward Nevill wrote:

> The following patch stops spurious warning of the form
> 
> OpenJDK 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated
> 
> when invoke with -XX:+PrintFlagsFinal
> 
> These are generated by the following code in ostream.cpp
> 
>   } else if (vsnprintf(buffer, buflen, format, ap) >= 0) {
>     result = buffer;
>     result_len = strlen(result);
>   } else {
>     DEBUG_ONLY(warning("increase O_BUFLEN in ostream.hpp -- output truncated");)
>     result = buffer;
>     result_len = buflen - 1;
>     buffer[result_len] = 0;
>   }
> 
> 
> So, if vsnprintf returns negative it prints this error. This happens because it is passed a bad format string from globals.cpp.

This is shared code, nothing to do with AArch64 port.  It is not
an appropriate local change.  It might be suitable for jck8u.

Andrew.