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CVS log for src/tests/usr.bin/xlint/lint1/msg_102.c

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Default branch: MAIN


Revision 1.6 / (download) - annotate - [select for diffs], Fri Jun 30 21:06:18 2023 UTC (8 months ago) by rillig
Branch: MAIN
CVS Tags: HEAD
Changes since 1.5: +2 -8 lines
Diff to previous 1.5 (colored)

lint: fix handling of unnamed struct/union members

The support for unnamed struct/union members that was added in decl.c
1.60 from 2015-10-13 was simple but wrong. It didn't cover initializers
of these structures and computed wrong sizes for structures containing
anonymous unions. At that time, the handling of initializers was broken
as well, it was fixed 6 years later in init.c 1.229 from 2021-12-22.

Real-life examples for code that lint couldn't handle are:

	* external/bsd/jemalloc/dist/src/jemalloc.c
	* external/mit/xorg/lib/dri.old/Makefile

Revision 1.5 / (download) - annotate - [select for diffs], Fri Jun 30 09:21:52 2023 UTC (8 months ago) by rillig
Branch: MAIN
Changes since 1.4: +29 -5 lines
Diff to previous 1.4 (colored)

tests/lint: add more tests for sizeof, offsetof, alignof

Revision 1.4 / (download) - annotate - [select for diffs], Sun Jun 19 12:14:34 2022 UTC (20 months, 2 weeks ago) by rillig
Branch: MAIN
CVS Tags: netbsd-10-base, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10
Changes since 1.3: +4 -4 lines
Diff to previous 1.3 (colored)

lint: add quotes around placeholders in 4 messages

Revision 1.3 / (download) - annotate - [select for diffs], Tue Dec 14 18:26:39 2021 UTC (2 years, 2 months ago) by rillig
Branch: MAIN
Changes since 1.2: +25 -3 lines
Diff to previous 1.2 (colored)

tests/lint: demonstrate missing support for anonymous members

Revision 1.2 / (download) - annotate - [select for diffs], Sun Feb 21 09:07:58 2021 UTC (3 years ago) by rillig
Branch: MAIN
CVS Tags: cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x
Changes since 1.1: +2 -2 lines
Diff to previous 1.1 (colored)

lint: force each test to declare the expected diagnostics

By listing the expected diagnostics directly at the code that triggers
the diagnostics, it is easier to cross-check whether the diagnostics
make sense.

No functional change to lint itself.

Revision 1.1 / (download) - annotate - [select for diffs], Sat Jan 2 10:22:43 2021 UTC (3 years, 2 months ago) by rillig
Branch: MAIN

lint: add a test for each message produced by lint1

Having a test for each message ensures that upcoming refactorings don't
break the basic functionality.  Adding the tests will also discover
previously unknown bugs in lint.

The tests ensure that every lint message can actually be triggered, and
they demonstrate how to do so.  Having a separate file for each test
leaves enough space for documenting historical anecdotes, rationale or
edge cases, keeping them away from the source code.

The interesting details of this commit are in Makefile and
t_integration.sh.  All other files are just auto-generated.

When running the tests as part of ATF, they are packed together as a
single test case.  Conceptually, it would have been better to have each
test as a separate test case, but ATF quickly becomes very slow as soon
as a test program defines too many test cases, and 50 is already too
many.  The time complexity is O(n^2), not O(n) as one would expect.
It's the same problem as in tests/usr.bin/make, which has over 300 test
cases as well.

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