Re: Vector - contiguous memory question.

From	Ben <ben.usenet@bsb.me.uk>
Newsgroups	comp.lang.c++
Subject	Re: Vector - contiguous memory question.
Date	2022-05-29 19:43 +0100
Organization	A noiseless patient Spider
Message-ID	<87pmjwuql6.fsf@bsb.me.uk> (permalink)
References	(1 earlier) <t6qt9g$9h4$1@dont-email.me> <t6quef$hj8$1@dont-email.me> <t6sonk$1634$1@gioia.aioe.org> <87y1ylmzxn.fsf@bsb.me.uk> <t6v7it$8u0$1@gioia.aioe.org>

Show all headers | View raw

Muttley@dastardlyhq.com writes:

> On Sat, 28 May 2022 16:36:52 +0100
> Ben <ben.usenet@bsb.me.uk> wrote:
>>Muttley@dastardlyhq.com writes:
>>
>>> On Fri, 27 May 2022 12:32:15 -0400
>>> James Kuyper <jameskuyper@alumni.caltech.edu> wrote:
>>>>On 5/27/22 12:12, Vir Campestris wrote:
>>>>> On 26/05/2022 09:51, Muttley@dastardlyhq.com wrote:
>>>>>> write(fd,&mydata[0],mydata.size());
>>>>>>
>>>>>> or
>>>>>>
>>>>>> write(fd,mydata.data(),mydata.size());
>>>>> 
>>>>> Nitpick for you - that won't write everything unless your array is chars.
>>>>
>>>>Agreed - but his array was of u_char, presumably a typedef for unsigned
>>>>char or something similar.
>>>
>>> Defined in sys/types.h
>>
>>Since it's not a standard type (as far as C++ is concerned) you can't be
>>sure what it is, and I don't think the OP gave a definition nor an
>>include file it might be defined in.
>
> The OP was me and its been a standard posix typdef for as long as I've been
> programming so if you're a Windows def you probably won't have come
> across it.

I'm aware of what is often means.  I was pointing out that what it
actually it will always be something a guess without the context.

-- 
Ben.

Back to comp.lang.c++ | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Vector - contiguous memory question. Muttley@dastardlyhq.com - 2022-05-26 08:51 +0000
  Re: Vector - contiguous memory question. Bo Persson <bo@bo-persson.se> - 2022-05-26 11:28 +0200
  Re: Vector - contiguous memory question. "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2022-05-26 12:36 +0200
    Re: Vector - contiguous memory question. Muttley@dastardlyhq.com - 2022-05-26 16:02 +0000
  Re: Vector - contiguous memory question. "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2022-05-26 18:25 +0200
  Re: Vector - contiguous memory question. James Kuyper <jameskuyper@alumni.caltech.edu> - 2022-05-26 13:53 -0400
  Re: Vector - contiguous memory question. Vir Campestris <vir.campestris@invalid.invalid> - 2022-05-27 17:12 +0100
    Re: Vector - contiguous memory question. James Kuyper <jameskuyper@alumni.caltech.edu> - 2022-05-27 12:32 -0400
      Re: Vector - contiguous memory question. Muttley@dastardlyhq.com - 2022-05-28 09:07 +0000
        Re: Vector - contiguous memory question. Ben <ben.usenet@bsb.me.uk> - 2022-05-28 16:36 +0100
          Re: Vector - contiguous memory question. "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-05-28 17:14 -0700
            Re: Vector - contiguous memory question. Ben <ben.usenet@bsb.me.uk> - 2022-05-29 01:47 +0100
            Re: Vector - contiguous memory question. "james...@alumni.caltech.edu" <jameskuyper@alumni.caltech.edu> - 2022-05-28 22:06 -0700
          Re: Vector - contiguous memory question. Muttley@dastardlyhq.com - 2022-05-29 07:32 +0000
            Re: Vector - contiguous memory question. Ben <ben.usenet@bsb.me.uk> - 2022-05-29 19:43 +0100

csiph-web