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| From | Keith Thompson <Keith.S.Thompson+u@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: relearning C: why does an in-place change to a char* segfault? |
| Date | 2024-08-03 17:07 -0700 |
| Organization | None to speak of |
| Message-ID | <87bk29duba.fsf@nosuchdomain.example.com> (permalink) |
| References | <IoGcndcJ1Zm83zb7nZ2dnZfqnPWdnZ2d@brightview.co.uk> <20240801114615.906@kylheku.com> <v8gs06$2ceis$1@dont-email.me> <v8jlnk$31hqf$1@dont-email.me> |
David Brown <david.brown@hesbynett.no> writes:
[...]
> "this is a test" is a string literal, and is typically part of the
> program's image. (There are some C implementations that do things
> differently, like storing such initialisation data in a compressed
> format.)
[...]
What implementations do that? Typically data that's all zeros isn't
stored in the image, but general compression isn't something I've seen
(not that I've paid much attention). It would save space in the image,
but it would require decompression at load time and wouldn't save any
space at run time.
--
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */
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relearning C: why does an in-place change to a char* segfault? Mark Summerfield <mark@qtrac.eu> - 2024-08-01 08:06 +0000
Re: relearning C: why does an in-place change to a char* segfault? Mark Summerfield <mark@qtrac.eu> - 2024-08-01 08:24 +0000
Re: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-01 11:53 +0100
Re: relearning C: why does an in-place change to a char* segfault? Richard Harnden <richard.nospam@gmail.invalid> - 2024-08-01 09:38 +0100
Re: relearning C: why does an in-place change to a char* segfault? Mark Summerfield <mark@qtrac.eu> - 2024-08-01 08:54 +0000
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-01 11:12 +0100
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-01 13:59 -0700
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-01 22:07 +0100
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-01 14:28 -0700
Re: relearning C: why does an in-place change to a char* segfault? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-01 20:20 -0400
Re: relearning C: why does an in-place change to a char* segfault? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-08-02 01:06 +0000
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-02 10:43 +0100
Re: relearning C: why does an in-place change to a char* segfault? Richard Damon <richard@damon-family.org> - 2024-08-02 11:03 -0400
Re: relearning C: why does an in-place change to a char* segfault? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-02 14:19 -0400
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-02 19:33 +0100
Re: relearning C: why does an in-place change to a char* segfault? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-08-03 01:31 +0000
Re: relearning C: why does an in-place change to a char* segfault? Richard Damon <richard@damon-family.org> - 2024-08-02 22:01 -0400
Re: relearning C: why does an in-place change to a char* segfault? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2024-08-03 08:32 -0600
Re: relearning C: why does an in-place change to a char* segfault? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-08-04 01:05 +0000
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 02:52 -0700
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-13 17:46 -0700
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-13 18:44 -0700
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-15 16:00 -0700
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-15 16:27 -0700
Re: relearning C: why does an in-place change to a char* segfault? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-14 10:33 -0400
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-15 16:05 -0700
Re: relearning C: why does an in-place change to a char* segfault? Bonita Montero <Bonita.Montero@gmail.com> - 2024-08-04 15:52 +0200
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 14:11 -0700
Re: relearning C: why does an in-place change to a char* segfault? Vir Campestris <vir.campestris@invalid.invalid> - 2024-08-13 15:34 +0100
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-13 13:08 -0700
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-13 17:41 -0700
Re: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-14 10:40 +0200
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-13 17:40 -0700
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-13 18:47 -0700
Re: relearning C: why does an in-place change to a char* segfault? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-08-14 03:16 +0000
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-13 20:49 -0700
Re: relearning C: why does an in-place change to a char* segfault? scott@slp53.sl.home (Scott Lurndal) - 2024-08-01 13:28 +0000
No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Michael S <already5chosen@yahoo.com> - 2024-08-01 17:40 +0300
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-01 19:56 +0200
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2024-08-02 05:30 +0000
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 03:02 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Richard Harnden <richard.nospam@gmail.invalid> - 2024-08-02 13:04 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-02 09:59 -0400
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 11:24 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Richard Damon <richard@damon-family.org> - 2024-08-02 14:42 -0400
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-02 14:58 -0400
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Richard Damon <richard@damon-family.org> - 2024-08-02 15:11 -0400
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 08:32 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 08:27 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-02 12:27 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-02 23:29 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-02 16:11 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-05 02:06 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-04 19:37 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-04 19:38 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-05 12:03 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-05 13:35 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-05 21:54 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-05 15:39 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-06 12:29 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-06 12:48 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-06 23:59 +0100
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-12 16:18 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-08-05 15:44 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 14:38 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-12 14:55 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? dave_thompson_2@comcast.net - 2024-08-25 16:52 -0400
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-25 14:26 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 14:33 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-12 14:45 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 16:05 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-13 13:08 +0200
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-13 13:00 -0700
Re: No warning at implicit removal of const. Was: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-03 19:54 +0200
Re: relearning C: why does an in-place change to a char* segfault? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-01 12:02 -0400
Re: relearning C: why does an in-place change to a char* segfault? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-08-01 19:39 +0000
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-01 21:42 +0100
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-01 14:13 -0700
Re: relearning C: why does an in-place change to a char* segfault? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-01 22:40 +0100
Re: relearning C: why does an in-place change to a char* segfault? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-08-02 00:37 +0000
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-02 11:36 +0100
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 13:47 -0700
Re: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-03 00:14 +0200
Re: relearning C: why does an in-place change to a char* segfault? scott@slp53.sl.home (Scott Lurndal) - 2024-08-03 17:07 +0000
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 17:11 -0700
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 17:07 -0700
Re: relearning C: why does an in-place change to a char* segfault? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-08-04 01:08 +0000
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 19:58 -0700
Re: relearning C: why does an in-place change to a char* segfault? Richard Damon <richard@damon-family.org> - 2024-08-04 07:22 -0400
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-12 02:55 -0700
Re: relearning C: why does an in-place change to a char* segfault? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-08-05 06:33 +0000
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-04 23:38 -0700
Re: relearning C: why does an in-place change to a char* segfault? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-08-05 21:27 +0000
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-05 15:40 -0700
Re: relearning C: why does an in-place change to a char* segfault? Bart <bc@freeuk.com> - 2024-08-06 16:57 +0100
Re: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-06 20:40 +0200
Re: relearning C: why does an in-place change to a char* segfault? David Brown <david.brown@hesbynett.no> - 2024-08-04 17:20 +0200
Re: relearning C: why does an in-place change to a char* segfault? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-01 14:06 -0700
Re: relearning C: why does an in-place change to a char* segfault? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-13 17:43 -0700
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