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* [Bug c/59717] New: better warning when using functions when including appropriate header files
@ 2014-01-08 7:27 metherid at gmail dot com
2014-01-08 9:00 ` [Bug c/59717] " redi at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: metherid at gmail dot com @ 2014-01-08 7:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59717
Bug ID: 59717
Summary: better warning when using functions when including
appropriate header files
Product: gcc
Version: 4.8.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: metherid at gmail dot com
Clang produces a better warning suggesting the appropriate header file compared
to GCC. Test program included
$gcc testwarning.c
testwarning.c: In function ‘main’:
testwarning.c:4:2: warning: incompatible implicit declaration of built-in
function ‘strcpy’ [enabled by default]
strcpy(teststr, "foo");
^
rahul@mether ~/work> clang test
testfor testfor.c testwarning.c
rahul@mether ~/work> clang testwarning.c
testwarning.c:4:2: warning: implicitly declaring library function 'strcpy' with
type 'char *(char *, const char *)'
strcpy(teststr, "foo");
^
testwarning.c:4:2: note: please include the header <string.h> or explicitly
provide a declaration for 'strcpy'
---
cat testwarning.c
int main (void) {
char *teststr;
strcpy(teststr, "foo");
---
>From gcc-bugs-return-439590-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Jan 08 08:49:45 2014
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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/59712] unordered_map : clang fails with "member access into incomplete type"
Date: Wed, 08 Jan 2014 08:49:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idY712
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|major |normal
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is not Severity=major, libstdc++ is designed for use with GCC not Clang.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/59717] better warning when using functions when including appropriate header files
2014-01-08 7:27 [Bug c/59717] New: better warning when using functions when including appropriate header files metherid at gmail dot com
@ 2014-01-08 9:00 ` redi at gcc dot gnu.org
2014-01-25 13:12 ` [Bug c/59717] better warning when using functions without " steven at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: redi at gcc dot gnu.org @ 2014-01-08 9:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59717
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |diagnostic
Severity|normal |enhancement
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/59717] better warning when using functions without including appropriate header files
2014-01-08 7:27 [Bug c/59717] New: better warning when using functions when including appropriate header files metherid at gmail dot com
2014-01-08 9:00 ` [Bug c/59717] " redi at gcc dot gnu.org
@ 2014-01-25 13:12 ` steven at gcc dot gnu.org
2014-10-06 16:37 ` mpolacek at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: steven at gcc dot gnu.org @ 2014-01-25 13:12 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59717
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-01-25
CC| |steven at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Steven Bosscher <steven at gcc dot gnu.org> ---
Can be implemented by adding header names in the builtins.def files.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/59717] better warning when using functions without including appropriate header files
2014-01-08 7:27 [Bug c/59717] New: better warning when using functions when including appropriate header files metherid at gmail dot com
2014-01-08 9:00 ` [Bug c/59717] " redi at gcc dot gnu.org
2014-01-25 13:12 ` [Bug c/59717] better warning when using functions without " steven at gcc dot gnu.org
@ 2014-10-06 16:37 ` mpolacek at gcc dot gnu.org
2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2014-10-06 16:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59717
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |mpolacek at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org
Target Milestone|--- |5.0
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
On it.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/59717] better warning when using functions without including appropriate header files
2014-01-08 7:27 [Bug c/59717] New: better warning when using functions when including appropriate header files metherid at gmail dot com
` (2 preceding siblings ...)
2014-10-06 16:37 ` mpolacek at gcc dot gnu.org
@ 2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2014-10-07 17:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59717
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/59717] better warning when using functions without including appropriate header files
2014-01-08 7:27 [Bug c/59717] New: better warning when using functions when including appropriate header files metherid at gmail dot com
` (3 preceding siblings ...)
2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
@ 2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2014-10-07 17:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59717
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Oct 7 17:49:46 2014
New Revision: 215979
URL: https://gcc.gnu.org/viewcvs?rev=215979&root=gcc&view=rev
Log:
PR c/59717
* c-decl.c (header_for_builtin_fn): New function.
(implicitly_declare): Suggest which header to include.
* gcc.dg/pr59717.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr59717.c
Modified:
trunk/gcc/c/ChangeLog
trunk/gcc/c/c-decl.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-10-07 17:50 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2014-01-08 7:27 [Bug c/59717] New: better warning when using functions when including appropriate header files metherid at gmail dot com
2014-01-08 9:00 ` [Bug c/59717] " redi at gcc dot gnu.org
2014-01-25 13:12 ` [Bug c/59717] better warning when using functions without " steven at gcc dot gnu.org
2014-10-06 16:37 ` mpolacek at gcc dot gnu.org
2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
2014-10-07 17:50 ` mpolacek at gcc dot gnu.org
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