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| From | glen herrmannsfeldt <gah@ugcs.caltech.edu> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: "\x1337\xcafe"? |
| Date | 2012-11-19 07:57 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <k8cooc$cd7$2@speranza.aioe.org> (permalink) |
| References | <86vcd284km.fsf@gray.siamics.net> |
Ivan Shmakov <oneingray@gmail.com> wrote:
> Somehow, I assumed that the following two definitions are
> equivalent:
> unsigned char buf[]
> = ("\x1337\xcafe");
> unsigned char buf[]
> = ("\x13" "37\xca" "\xfe");
> However, it turns out that \x1337 is understood as 0x1337, which
> is then truncated to the size of unsigned char: 0x37. Thus, the
> compiler reads the first definition as:
> unsigned char buf[]
> = ("\x37\xfe");
In addition to the following post, note that C requires char
to be at least eight bits, but it can be more. In implementations
where it is more, it doesn't need to truncate.
-- glen
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"\x1337\xcafe"? Ivan Shmakov <oneingray@gmail.com> - 2012-11-19 13:55 +0700
Re: "\x1337\xcafe"? Nobody <nobody@nowhere.com> - 2012-11-19 07:39 +0000
Re: "\x1337\xcafe"? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-11-19 07:57 +0000
Re: "\x1337\xcafe"? Keith Thompson <kst-u@mib.org> - 2012-11-19 00:07 -0800
Re: "\x1337\xcafe"? "BartC" <bc@freeuk.com> - 2012-11-19 11:55 +0000
Re: "\x1337\xcafe"? Ike Naar <ike@sverige.freeshell.org> - 2012-11-19 12:10 +0000
Re: "\x1337\xcafe"? lawrence.jones@siemens.com - 2012-11-20 17:42 -0500
Re: "\x1337\xcafe"? James Kuyper <jameskuyper@verizon.net> - 2012-11-20 18:29 -0500
Re: "\x1337\xcafe"? Ivan Shmakov <oneingray@gmail.com> - 2012-11-19 20:08 +0700
Re: "\x1337\xcafe"? Robert A Duff <bobduff@shell01.TheWorld.com> - 2012-11-23 19:52 -0500
Re: "\x1337\xcafe"? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-11-24 02:34 +0000
Re: "\x1337\xcafe"? James Kuyper <jameskuyper@verizon.net> - 2012-11-24 11:31 -0500
Re: "\x1337\xcafe"? Keith Thompson <kst-u@mib.org> - 2012-11-24 12:08 -0800
Re: "\x1337\xcafe"? BGB <cr88192@hotmail.com> - 2012-11-19 02:08 -0600
Re: "\x1337\xcafe"? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-11-19 15:31 +0000
Re: "\x1337\xcafe"? BGB <cr88192@hotmail.com> - 2012-11-19 11:54 -0600
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