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| From | jacobnavia <jacob@jacob.remcomp.fr> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: How to read a data file whose size is unknown in C? |
| Date | 2015-08-13 12:38 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <mqhrun$9o$1@dont-email.me> (permalink) |
| References | <7b7a215a-b72a-48ba-bbdc-ddc22ad8c5b7@googlegroups.com> |
Le 13/08/2015 00:28, fl a écrit : > Hi, > > I had a test and I don't know what is the catch: > > How to read a data file whose size is unknown in C? > > > The data file could be a .img file. > > I thought about fseek(), etc., but I was not sure at all and didn't say > anything about it. Whether is it about some function on the end of the file? > > > Thanks, > If you use fseek to go to the end of the file, then ftell to store the size, you can get the length of the file on disc. This solution will work in the following systems: Android iOs (Apple) Linux Mac OS X All other POSIX systems Windows (all versions) MSDOS This makes for a very portable solution that can break in some odd systems. If your system is in the list above and you do not care about others just go ahead. jacob
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How to read a data file whose size is unknown in C? fl <rxjwg98@gmail.com> - 2015-08-12 15:28 -0700
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-12 23:52 +0100
Re: How to read a data file whose size is unknown in C? fl <rxjwg98@gmail.com> - 2015-08-12 16:13 -0700
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-13 00:33 +0100
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-13 00:06 +0000
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-13 20:50 +0000
Re: How to read a data file whose size is unknown in C? Stephen Sprunk <stephen@sprunk.org> - 2015-08-17 13:38 -0500
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-17 14:48 -0400
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-18 11:10 +0100
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-18 15:01 +0100
Re: How to read a data file whose size is unknown in C? gordonb.8n5lc@burditt.org (Gordon Burditt) - 2015-08-14 02:33 -0500
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-14 10:06 +0200
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-14 09:14 +0100
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-14 21:27 +0000
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 09:52 +0200
Re: How to read a data file whose size is unknown in C? Nobody <nobody@nowhere.invalid> - 2015-08-15 01:17 +0100
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 10:27 +0200
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-15 18:09 +0000
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 22:05 +0200
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 19:17 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 13:50 -0700
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-15 21:37 +0100
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 23:33 +0200
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-15 22:58 +0100
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-16 00:08 +0200
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-16 00:40 +0100
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-16 02:23 +0200
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 19:37 -0700
Re: How to read a data file whose size is unknown in C? gazelle@shell.xmission.com (Kenny McCormack) - 2015-08-16 15:35 +0000
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-16 10:31 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 19:21 -0700
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 23:31 +0200
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-16 03:38 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-16 17:29 -0700
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-17 01:46 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-17 09:03 -0700
Re: How to read a data file whose size is unknown in C? Nobody <nobody@nowhere.invalid> - 2015-08-16 03:23 +0100
Re: How to read a data file whose size is unknown in C? Philip Lantz <prl@canterey.us> - 2015-08-17 00:56 -0700
Re: How to read a data file whose size is unknown in C? Philip Lantz <prl@canterey.us> - 2015-08-17 01:08 -0700
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-17 10:20 +0200
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-17 09:01 -0700
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-15 11:31 +0100
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 14:01 -0700
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-15 22:28 +0100
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 19:29 -0700
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-16 10:50 +0100
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-16 17:40 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-16 20:22 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-16 21:27 -0700
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-17 01:31 -0700
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-17 20:25 +0000
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-17 16:29 -0700
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-17 23:43 +0000
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-17 18:20 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-17 19:10 -0700
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-18 05:26 +0000
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-22 14:23 +0000
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-18 04:23 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-18 17:39 -0700
Re: How to read a data file whose size is unknown in C? Ike Naar <ike@iceland.freeshell.org> - 2015-08-18 16:49 +0000
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-18 17:42 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-18 19:57 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-19 16:12 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-19 18:04 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-20 16:52 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-20 18:18 -0700
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-21 20:39 +0000
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-21 17:17 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-21 19:35 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-22 18:28 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-22 22:43 -0700
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-22 00:07 -0400
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-22 18:59 -0700
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-22 23:22 -0400
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-23 19:17 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-23 21:35 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-24 16:59 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-24 17:57 -0700
Re: How to read a data file whose size is unknown in C? Philip Lantz <prl@canterey.us> - 2015-08-25 01:09 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-25 19:03 -0700
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-25 22:16 -0400
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-26 14:29 -0700
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-26 18:28 -0400
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-26 19:25 -0700
Re: How to read a data file whose size is unknown in C? David Brown <david.brown@hesbynett.no> - 2015-08-27 10:07 +0200
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-27 09:18 -0700
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-27 18:04 +0000
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-27 11:15 -0700
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-27 21:10 +0000
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-27 15:54 -0700
Re: How to read a data file whose size is unknown in C? David Brown <david.brown@hesbynett.no> - 2015-08-28 09:28 +0200
Re: How to read a data file whose size is unknown in C? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-08-27 13:12 -0600
Re: How to read a data file whose size is unknown in C? David Brown <david.brown@hesbynett.no> - 2015-08-28 09:35 +0200
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-25 04:28 -0700
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-24 00:19 -0400
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-24 00:31 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-24 17:06 -0700
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-22 14:25 +0000
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-22 10:45 -0400
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-21 17:40 -0400
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-19 00:40 -0400
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-19 05:38 +0000
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-19 10:20 -0400
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-22 14:22 +0000
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-22 14:21 +0000
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-14 08:48 -0400
Re: How to read a data file whose size is unknown in C? fl <rxjwg98@gmail.com> - 2015-08-12 16:21 -0700
Re: How to read a data file whose size is unknown in C? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-08-12 19:44 -0600
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-12 22:04 -0400
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-13 00:44 +0100
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-13 01:04 +0100
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-13 11:31 +0100
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-13 11:51 +0100
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-13 08:49 -0700
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-13 17:45 +0100
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-14 11:11 +0100
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 11:34 +0100
Re: How to read a data file whose size is unknown in C? Robert Wessel <robertwessel2@yahoo.com> - 2015-08-14 12:21 -0500
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 19:07 +0100
Re: How to read a data file whose size is unknown in C? Robert Wessel <robertwessel2@yahoo.com> - 2015-08-14 16:08 -0500
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 09:51 +0200
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-15 12:36 -0700
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-15 22:26 +0200
Re: How to read a data file whose size is unknown in C? raltbos@xs4all.nl (Richard Bos) - 2015-08-22 14:26 +0000
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-22 08:11 -0700
Re: How to read a data file whose size is unknown in C? Robert Wessel <robertwessel2@yahoo.com> - 2015-08-16 00:05 -0500
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-16 09:08 -0400
Re: How to read a data file whose size is unknown in C? gazelle@shell.xmission.com (Kenny McCormack) - 2015-08-16 15:22 +0000
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-16 17:28 -0700
Re: How to read a data file whose size is unknown in C? Tonton Th <tTh@nowhere.invalid> - 2015-08-14 11:06 +0000
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-14 09:28 -0700
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-13 18:56 +0000
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-13 13:39 -0700
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-14 00:21 +0100
Re: How to read a data file whose size is unknown in C? Ian Collins <ian-news@hotmail.com> - 2015-08-14 12:26 +1200
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-14 11:00 +0100
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 11:30 +0100
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-14 12:31 +0100
Re: How to read a data file whose size is unknown in C? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-14 04:51 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-14 09:21 -0700
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-14 09:23 -0700
Re: How to read a data file whose size is unknown in C? David Kleinecke <dkleinecke@gmail.com> - 2015-08-14 16:57 -0700
Re: How to read a data file whose size is unknown in C? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-08-15 14:49 -0600
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-15 19:31 -0700
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-14 00:35 +0100
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-14 08:57 -0700
Re: How to read a data file whose size is unknown in C? Bartc <bc@freeuk.com> - 2015-08-14 17:28 +0100
Re: How to read a data file whose size is unknown in C? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-13 00:12 +0000
Re: How to read a data file whose size is unknown in C? Lőrinczy Zsigmond <nospam@for.me> - 2015-08-13 07:03 +0200
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-13 12:38 +0200
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 13:32 +0100
Re: How to read a data file whose size is unknown in C? jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-13 14:49 +0200
Re: How to read a data file whose size is unknown in C? Richard Heathfield <rjh@cpax.org.uk> - 2015-08-13 14:05 +0100
Re: How to read a data file whose size is unknown in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 14:50 +0100
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-13 09:14 -0700
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-13 12:42 -0400
Re: How to read a data file whose size is unknown in C? Ken Brody <kenbrody@spamcop.net> - 2015-08-13 10:56 -0400
Re: How to read a data file whose size is unknown in C? Keith Thompson <kst-u@mib.org> - 2015-08-13 09:16 -0700
Re: How to read a data file whose size is unknown in C? Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-08-13 18:12 +0200
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-13 12:50 -0400
Re: How to read a data file whose size is unknown in C? Lőrinczy Zsigmond <nospam@for.me> - 2015-08-13 20:07 +0200
Re: How to read a data file whose size is unknown in C? James Kuyper <jameskuyper@verizon.net> - 2015-08-13 14:38 -0400
Re: How to read a data file whose size is unknown in C? John Bode <jfbode1029@gmail.com> - 2015-08-13 09:30 -0700
Re: How to read a data file whose size is unknown in C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-08-14 09:03 -0700
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