Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
| From | Melzzzzz <mel@zzzzz.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Line read from csv file with fgets has two characters before the terminating one |
| Date | 2016-12-15 13:09 +0100 |
| Organization | albasani.net |
| Message-ID | <20161215130922.0f41b9a7@maxa-pc> (permalink) |
| References | (4 earlier) <94c39458-6789-4eaa-b773-36bc4d2d9976@googlegroups.com> <o2tudm$1qtv$1@gioia.aioe.org> <o2tuov$ml2$1@dont-email.me> <o2tvfe$ohk$1@news.albasani.net> <o2u0ig$t3a$1@dont-email.me> |
On Thu, 15 Dec 2016 12:00:35 +0000 Richard Heathfield <rjh@cpax.org.uk> wrote: > On 15/12/16 11:40, Melzzzzz wrote: > > On 15/12/16 12:29 PM, Richard Heathfield wrote: > >> On 15/12/16 11:22, Manfred wrote: > <snip> > >>> > >>> It might still be worth verifying that you opened the file with > >>> the "t" flag. > >> > >> No, it's worth verifying that you didn't. The fopen function is > >> required to recognise the following modes: > > <snip> > > >> > >> If any other mode is used, the behaviour is undefined. > >> > > Hm, why undefined? It seems to me that it is completely unnecessary > > in this case... > > Implementations are free to support other modes if they choose, and > some do. Microsoft, for example, supports a "t" suffix on the mode > string. IBM mainframe compilers support all kinds of entries in the > mode string, such as "lrecl=xx", "recfm=X", "noseek", "blksize=xx", > even "password=xxxxxxx". > > What should the Standard say about these? > > Should it say that they are implementation-defined? If so, every > implementation would have to define what it does in all these cases > and all kinds of others, which would constitute an unreasonable > burden on implementations. > > Unspecified? Every implementation would have to make some choice or > other, but wouldn't have to document it, so you'd be no better off. > > It therefore makes perfect sense to have the behaviour undefined. > That way, if you want to take advantage of a particular > implementation's support for a particular mode, you can, but at the > cost of recognising that your code isn't going to work as you might > wish on implementations that don't support that mode. > Well, I have learned that undefined behavior means bad thing ;) If I use fopen in particular mode and it is undefined, in this case it actually does not means undefined as bad things can happen? Or we can take advantage of undefined behavior elsewhere ;)? -- press any key to continue or any other to quit...
Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Line read from csv file with fgets has two characters before the terminating one Alla _ <modelling.data@gmail.com> - 2016-12-14 00:04 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-14 11:10 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Alla _ <modelling.data@gmail.com> - 2016-12-14 23:50 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 08:52 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Alla _ <modelling.data@gmail.com> - 2016-12-15 00:58 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 09:09 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Alla _ <modelling.data@gmail.com> - 2016-12-15 04:23 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 12:50 +0000
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-15 14:14 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 14:42 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-15 09:49 -0800
Re: Line read from csv file with fgets has two characters before the terminating one gazelle@shell.xmission.com (Kenny McCormack) - 2016-12-15 17:58 +0000
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-15 18:22 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-15 11:51 -0800
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-15 20:35 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-15 12:58 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-12-15 13:11 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-16 02:14 +0000
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-16 11:25 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-16 16:41 +0000
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-16 22:08 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-17 02:48 +0000
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-17 11:54 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-17 15:33 +0000
Re: Line read from csv file with fgets has two characters before the terminating one supercat@casperkitty.com - 2016-12-17 08:27 -0800
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-17 17:25 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-12-17 09:53 -0800
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-17 18:21 +0000
Re: Line read from csv file with fgets has two characters before the terminating one supercat@casperkitty.com - 2016-12-17 10:30 -0800
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-17 22:39 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-12-17 14:51 -0800
Re: Line read from csv file with fgets has two characters before the terminating one BartC <bc@freeuk.com> - 2016-12-17 23:12 +0000
Re: Line read from csv file with fgets has two characters before the terminating one supercat@casperkitty.com - 2016-12-18 08:37 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-18 13:14 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Geoff <geoff@invalid.invalid> - 2016-12-15 15:03 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-15 15:29 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Geoff <geoff@invalid.invalid> - 2016-12-15 20:48 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-15 22:58 -0800
OSX line endings (Was: Line read from csv file with fgets has two characters before the terminating one) gazelle@shell.xmission.com (Kenny McCormack) - 2016-12-16 10:22 +0000
Re: OSX line endings (Was: Line read from csv file with fgets has two characters before the terminating one) Geoff <geoff@invalid.invalid> - 2016-12-16 07:29 -0800
Making OSX's boot drive case-sensitve (Was: OSX line endings (Was: Line read from csv file with fgets has two characters before the terminating one)) gazelle@shell.xmission.com (Kenny McCormack) - 2016-12-17 10:06 +0000
Re: Making OSX's boot drive case-sensitve (Was: OSX line endings (Was: Line read from csv file with fgets has two characters before the terminating one)) Geoff <geoff@invalid.invalid> - 2016-12-17 12:39 -0800
Re: Making OSX's boot drive case-sensitve (Was: OSX line endings (Was: Line read from csv file with fgets has two characters before the terminating one)) gazelle@shell.xmission.com (Kenny McCormack) - 2016-12-18 13:54 +0000
Re: Making OSX's boot drive case-sensitve (Was: OSX line endings (Was: Line read from csv file with fgets has two characters before the terminating one)) Geoff <geoff@invalid.invalid> - 2016-12-18 17:57 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Geoff <geoff@invalid.invalid> - 2016-12-16 07:12 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Keith Thompson <kst-u@mib.org> - 2016-12-16 12:02 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 23:29 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Alla _ <modelling.data@gmail.com> - 2016-12-16 02:37 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Geoff <geoff@invalid.invalid> - 2016-12-16 07:51 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Manfred <noname@invalid.add> - 2016-12-15 12:22 +0100
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 11:29 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-15 12:40 +0100
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 12:00 +0000
Re: Line read from csv file with fgets has two characters before the terminating one Melzzzzz <mel@zzzzz.com> - 2016-12-15 13:09 +0100
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 12:43 +0000
Re: Line read from csv file with fgets has two characters before the terminating one "James R. Kuyper" <jameskuyper@verizon.net> - 2016-12-15 09:18 -0500
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 14:49 +0000
Re: Line read from csv file with fgets has two characters before the terminating one "James R. Kuyper" <jameskuyper@verizon.net> - 2016-12-15 10:34 -0500
Re: Line read from csv file with fgets has two characters before the terminating one Manfred <noname@invalid.add> - 2016-12-15 16:34 +0100
Re: Line read from csv file with fgets has two characters before the terminating one Alla _ <modelling.data@gmail.com> - 2016-12-15 00:22 -0800
Re: Line read from csv file with fgets has two characters before the terminating one Richard Heathfield <rjh@cpax.org.uk> - 2016-12-15 09:04 +0000
Re: Line read from csv file with fgets has two characters before the terminating one mark.bluemel@gmail.com - 2016-12-14 03:38 -0800
csiph-web