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Groups > comp.lang.c++ > #84266
| From | Bo Persson <bo@bo-persson.se> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: Vector - contiguous memory question. |
| Date | 2022-05-26 11:28 +0200 |
| Message-ID | <jf8vjnFq5j0U1@mid.individual.net> (permalink) |
| References | <t6nf2c$613$1@gioia.aioe.org> |
On 2022-05-26 at 10:51, Muttley@dastardlyhq.com wrote: > Is contiguous memory storage in a vector a recent thing or is it only > in more recent versions of C++? Ie is the following always guaranteed to > work no matter how old the compiler: > > vector<u_char> mydata; > : > fill vector > : > write(fd,&mydata[0],mydata.size()); > > or > > write(fd,mydata.data(),mydata.size()); > If by "recent compiler" you mean anyone following the C++ standard, then vector storage is contiguous. And has been since C++98. If you use Turbo-C++ from 1990, I'm not sure. :-)
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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
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