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Re: [Qemu-devel] [PATCH] linux-user: Let user specify random seed
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH] linux-user: Let user specify random seed |
Date: |
Thu, 09 Oct 2014 15:30:05 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 |
On 10/09/2014 01:12 PM, Magnus Reftel wrote:
> This patch introduces the -seed command line option and the
> QEMU_RAND_SEED environment variable for setting the random seed, which
> is used for the AT_RANDOM ELF aux entry.
>
> Signed-off-by: Magnus Reftel <address@hidden>
> ---
> linux-user/elfload.c | 1 -
> linux-user/main.c | 20 ++++++++++++++++++++
> 2 files changed, 20 insertions(+), 1 deletion(-)
>
>
> +static void handle_arg_randseed(const char *arg)
> +{
> + unsigned long long seed;
> + char *end;
> +
> + if (parse_uint(arg, &seed, &end, 0) != 0 || *end != 0 || seed >
> UINT_MAX) {
Slightly shorter as:
if (parse_uint_full(arg, &seed, 0) < 0 || seed > UINT_MAX) {
but that's not a functional difference.
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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