From: Dmitry Gutov <dgutov@yandex.ru> To: Eli Zaretskii <eliz@gnu.org> Cc: ke.vigouroux@laposte.net, eggert@cs.ucla.edu, 40671@debbugs.gnu.org, michael_heerdegen@web.de, mattiase@acm.org, rms@gnu.org Subject: bug#40671: [DOC] modify literal objects Date: Sun, 26 Apr 2020 17:34:56 +0300 [thread overview] Message-ID: <77612744-6de9-3cb8-6d63-1cb9898eb3e1@yandex.ru> (raw) In-Reply-To: <83zhay5nyn.fsf@gnu.org> On 26.04.2020 17:19, Eli Zaretskii wrote: > Did you try compiling that as a C program, not a C++ program? As C++. From what I understand, in C string literals are not "const", it's just UB to modify them. > but even that goes away if I modify the program as follows: > > #include <string.h> > int main (void) { return !strcpy ((char *)"a", "b"); } If you go out of your way to avoid warnings, then indeed, the compiler won't show them. And typecasts are an easy way to turn compilation errors into runtime errors, in general.
next prev parent reply other threads:[~2020-04-26 14:34 UTC|newest]
Thread overview: 170+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 19:28 bug#40671: [DOC] modify literal objects Kevin Vigouroux via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-04-17 16:09 ` Mattias Engdegård
2020-04-17 16:37 ` Mattias Engdegård
2020-04-17 17:27 ` Eli Zaretskii
2020-04-18 20:10 ` Paul Eggert
2020-04-18 21:54 ` Drew Adams
2020-04-19 2:39 ` Noam Postavsky
2020-04-19 20:39 ` Paul Eggert
2020-04-19 21:01 ` Drew Adams
2020-04-19 21:16 ` Paul Eggert
2020-04-19 22:24 ` Drew Adams
2020-04-19 22:51 ` Paul Eggert
2020-04-20 5:32 ` Drew Adams
2020-04-22 17:36 ` Paul Eggert
2020-05-01 3:03 ` Dmitry Gutov
2020-05-01 5:16 ` Drew Adams
2020-05-01 21:46 ` Paul Eggert
2020-05-01 23:37 ` Dmitry Gutov
2020-04-19 2:26 ` Richard Stallman
2020-04-19 13:56 ` Eli Zaretskii
2020-04-19 16:59 ` Mattias Engdegård
2020-04-19 19:21 ` Eli Zaretskii
2020-04-19 21:02 ` Paul Eggert
2020-04-19 21:11 ` Drew Adams
2020-04-19 21:57 ` Michael Heerdegen
2020-04-19 22:41 ` Paul Eggert
2020-04-19 23:45 ` Michael Heerdegen
2020-04-20 0:24 ` Paul Eggert
2020-04-20 0:53 ` Michael Heerdegen
2020-04-20 3:23 ` Paul Eggert
2020-04-20 3:36 ` Michael Heerdegen
2020-04-22 6:30 ` Paul Eggert
2020-04-20 5:54 ` Drew Adams
2020-04-22 17:21 ` Paul Eggert
2020-04-23 0:49 ` Michael Heerdegen
2020-04-24 2:36 ` Richard Stallman
2020-04-24 15:08 ` Drew Adams
2020-04-25 1:58 ` Paul Eggert
2020-04-24 16:39 ` Mattias Engdegård
2020-04-24 16:46 ` Dmitry Gutov
2020-04-25 2:21 ` Paul Eggert
2020-04-25 2:40 ` Dmitry Gutov
2020-04-25 3:20 ` Paul Eggert
2020-04-25 19:30 ` Dmitry Gutov
2020-04-26 3:49 ` Paul Eggert
2020-04-26 14:03 ` Dmitry Gutov
2020-04-26 14:19 ` Eli Zaretskii
2020-04-26 14:34 ` Dmitry Gutov [this message]
2020-04-26 15:46 ` Eli Zaretskii
2020-04-26 16:02 ` Dmitry Gutov
2020-04-26 16:58 ` Eli Zaretskii
2020-04-26 17:39 ` Dmitry Gutov
2020-04-26 18:14 ` Eli Zaretskii
2020-04-26 18:32 ` Dmitry Gutov
2020-04-26 18:41 ` Eli Zaretskii
2020-04-26 18:53 ` Dmitry Gutov
2020-04-26 18:57 ` Paul Eggert
2020-04-26 19:22 ` Philipp Stephani
2020-04-26 20:14 ` Paul Eggert
2020-04-26 21:23 ` Dmitry Gutov
2020-04-26 23:13 ` Paul Eggert
2020-04-27 0:53 ` Dmitry Gutov
2020-04-27 1:49 ` Paul Eggert
2020-04-28 3:05 ` Dmitry Gutov
2020-04-28 8:17 ` Paul Eggert
2020-04-28 13:54 ` Dmitry Gutov
2020-04-28 17:59 ` Paul Eggert
2020-04-28 18:46 ` Dmitry Gutov
2020-04-28 19:20 ` Paul Eggert
2020-04-28 19:33 ` Dmitry Gutov
2020-04-28 20:09 ` Paul Eggert
2020-04-28 21:10 ` Dmitry Gutov
2020-04-28 23:10 ` Paul Eggert
2020-04-28 23:36 ` Dmitry Gutov
2020-04-28 23:53 ` Paul Eggert
2020-04-28 23:57 ` Dmitry Gutov
2020-04-28 23:53 ` Dmitry Gutov
2020-04-29 0:04 ` Paul Eggert
2020-04-29 0:14 ` Dmitry Gutov
2020-04-29 0:55 ` Drew Adams
2020-04-29 1:03 ` Dmitry Gutov
2020-04-29 1:15 ` Drew Adams
2020-04-29 1:27 ` Michael Heerdegen
2020-04-29 1:38 ` Paul Eggert
2020-04-29 4:36 ` Drew Adams
2020-04-29 16:18 ` Paul Eggert
2020-05-01 2:47 ` Richard Stallman
2020-05-01 6:23 ` Eli Zaretskii
2020-05-01 3:13 ` Dmitry Gutov
2020-05-01 5:15 ` Drew Adams
2020-05-01 21:40 ` Paul Eggert
2020-05-01 22:05 ` Drew Adams
2020-05-01 22:28 ` Paul Eggert
2020-05-02 1:07 ` Dmitry Gutov
2020-05-02 6:28 ` Paul Eggert
2020-05-02 15:42 ` Dmitry Gutov
2020-05-02 19:35 ` Paul Eggert
2020-05-03 1:30 ` Dmitry Gutov
2020-05-03 7:40 ` Paul Eggert
2020-05-03 16:44 ` Dmitry Gutov
2020-05-03 20:48 ` Paul Eggert
2020-05-03 22:17 ` Dmitry Gutov
2020-05-03 22:18 ` Dmitry Gutov
2020-05-03 22:39 ` Paul Eggert
2020-05-03 22:53 ` Dmitry Gutov
2020-05-03 23:10 ` Paul Eggert
2020-05-04 10:16 ` Dmitry Gutov
2020-05-04 17:52 ` Paul Eggert
2020-05-05 1:39 ` Dmitry Gutov
2020-05-05 6:09 ` Paul Eggert
2020-05-05 12:38 ` Dmitry Gutov
2020-05-09 6:10 ` Paul Eggert
2020-05-10 3:13 ` Dmitry Gutov
2020-05-10 13:34 ` Dmitry Gutov
2020-05-10 17:29 ` Paul Eggert
2020-05-11 0:00 ` Michael Heerdegen
2020-05-11 0:26 ` Dmitry Gutov
2020-05-11 1:47 ` Drew Adams
2020-05-11 1:54 ` Dmitry Gutov
2020-05-11 2:33 ` Drew Adams
2020-05-11 2:56 ` Michael Heerdegen
2020-05-11 4:21 ` Drew Adams
2020-05-11 4:51 ` Michael Heerdegen
2020-05-11 6:28 ` Paul Eggert
2020-05-11 13:57 ` Noam Postavsky
2020-05-11 22:36 ` Michael Heerdegen
2020-05-11 22:30 ` Michael Heerdegen
2020-05-12 3:20 ` Richard Stallman
2020-05-12 4:24 ` Michael Heerdegen
2020-05-13 3:57 ` Richard Stallman
2020-05-13 5:05 ` Michael Heerdegen
2020-05-14 5:14 ` Richard Stallman
[not found] ` <05BEF593-F16A-4DEE-98BC-653221F1F9EE@acm.org>
2020-05-17 0:11 ` Paul Eggert
2020-05-17 9:43 ` Mattias Engdegård
2020-05-17 16:38 ` Paul Eggert
2020-05-11 1:53 ` Paul Eggert
2020-05-11 3:18 ` Michael Heerdegen
2020-05-11 0:44 ` Dmitry Gutov
2020-05-11 1:57 ` Paul Eggert
2020-05-12 1:59 ` Dmitry Gutov
2020-05-17 1:28 ` Paul Eggert
2020-05-17 5:02 ` Michael Heerdegen
2020-05-17 16:34 ` Paul Eggert
2020-05-17 12:39 ` Dmitry Gutov
2020-05-17 16:21 ` Paul Eggert
2020-05-05 17:40 ` Drew Adams
2020-05-05 18:49 ` Dmitry Gutov
2020-05-05 19:26 ` Drew Adams
2020-05-05 20:48 ` Kevin Vigouroux via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-05-09 5:57 ` Paul Eggert
2020-04-28 21:18 ` Dmitry Gutov
2020-04-28 17:25 ` Drew Adams
2020-04-28 17:47 ` Paul Eggert
2020-04-29 0:32 ` Michael Heerdegen
2020-04-29 1:40 ` Paul Eggert
2020-04-29 4:40 ` Michael Heerdegen
2020-04-29 8:01 ` Eli Zaretskii
2020-04-29 16:36 ` Paul Eggert
2020-04-24 17:18 ` Drew Adams
2020-04-25 3:38 ` Richard Stallman
2020-04-25 18:26 ` Paul Eggert
2020-04-25 2:22 ` Paul Eggert
2020-04-25 6:00 ` Andreas Schwab
2020-04-25 18:23 ` Paul Eggert
2020-04-28 23:52 ` Michael Heerdegen
2020-04-21 1:25 ` Michael Heerdegen
2020-04-21 2:20 ` Paul Eggert
2020-04-20 6:02 ` Drew Adams
2020-04-19 20:45 ` Paul Eggert
2020-04-20 14:10 ` Eli Zaretskii
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