Re: [PATCH 03/22] tools lib traceevent: Addtraceevent_host_bigendian function

[Namhyung Kim]

2013-11-21 (ë), 12:01 +0100, Jiri Olsa:
> Adding traceevent_host_bigendian function to get host
> endianity. It's used in following patches.

[SNIP]
> +static inline int traceevent_host_bigendian(void)
> +{
> +	unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 };
> +	unsigned int *ptr;
> +
> +	ptr = (unsigned int *)str;
> +	return *ptr == 0x01020304;

Is it safe for every architecture supported - especially ones that
require stricter alignment?  I know many architectures/compilers align
stack but not sure doing this is safe for all architecture.

Thanks,
Namhyung


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