Re: Cleanup shadows variable warnings, round 1
Chao Li <li.evan.chao@gmail.com>
From: Chao Li <li.evan.chao@gmail.com>
To: Peter Eisentraut <peter@eisentraut.org>
Cc: Postgres hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-12-03T10:56:33Z
Lists: pgsql-hackers
Attachments
- v3-0001-cleanup-rename-loop-variables-to-avoid-local-shad.patch (application/octet-stream) patch v3-0001
- v3-0002-cleanup-rename-inner-variables-to-avoid-shadowing.patch (application/octet-stream) patch v3-0002
- v3-0003-cleanup-rename-outer-variables-to-avoid-shadowing.patch (application/octet-stream) patch v3-0003
- v3-0005-cleanup-avoid-local-wal_level-and-wal_segment_siz.patch (application/octet-stream) patch v3-0005
- v3-0004-cleanup-fix-macro-induced-variable-shadowing-in-i.patch (application/octet-stream) patch v3-0004
- v3-0008-cleanup-avoid-local-variables-shadowed-by-static-.patch (application/octet-stream) patch v3-0008
- v3-0006-cleanup-avoid-local-variables-shadowed-by-static-.patch (application/octet-stream) patch v3-0006
- v3-0009-cleanup-avoid-local-variables-shadowed-by-globals.patch (application/octet-stream) patch v3-0009
- v3-0007-cleanup-rename-local-progname-variables-to-avoid-.patch (application/octet-stream) patch v3-0007
- v3-0010-cleanup-avoid-local-variables-shadowed-by-static-.patch (application/octet-stream) patch v3-0010
- v3-0011-cleanup-rename-local-conn-variables-to-avoid-shad.patch (application/octet-stream) patch v3-0011
- v3-0012-cleanup-avoid-local-variables-shadowed-by-globals.patch (application/octet-stream) patch v3-0012
- v3-0013-cleanup-avoid-local-variables-shadowed-by-globals.patch (application/octet-stream) patch v3-0013
On Wed, Dec 3, 2025 at 10:28 AM Chao Li <li.evan.chao@gmail.com> wrote: > > 0001 - simple cases of local variable shadowing local variable by changing > inner variable to for loop variable (also need to rename the for loop var) > 0002 - simple cases of local variable shadowing local variable by renaming > inner variable > 0003 - simple cases of local variable shadowing local variable by renaming > outer variable. In this commit, outer local variables are used much less > than inner variables, thus renaming outer is simpler than renaming inner. > 0004 - still local shadows local, but caused by a macro definition, only > in inval.c > 0005 - cases of global wal_level and wal_segment_size shadow local ones, > fixed by renaming local variables > 0006 - in xlogrecovery.c, some static file-scope variables shadow local > variables, fixed by renaming local variables > 0007 - cases of global progname shadows local, fixed by renaming local to > myprogname > 0008 - in file_ops.c, some static file-scope variables shadow local, fixed > by renaming local variables > 0009 - simple cases of local variables are shadowed by global, fixed by > renaming local variables > 0010 - a few more cases of static file-scope variables shadow local > variables, fixed by renaming local variables > 0011 - cases of global conn shadows local variables, fixed by renaming > local conn to myconn > 0012 - fixed shadowing in ecpg.header > 0013 - fixed shadowing in all time-related modules. Heikki had a concern > where there is a global named “days”, so there could be some discussions > for this commit. For now, I just renamed local variables to avoid shadowing. > > c252d37d8 fixed one shadow warning individually, which caused a conflict to this patch, thus rebased to v3. Best regards, Chao Li (Evan) --------------------- HighGo Software Co., Ltd. https://www.highgo.com/
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Fix new-to-v19 -Wshadow warnings
- 4f0cbc6fb5df 19 (unreleased) landed
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Reduce scope of for-loop-local variables to avoid shadowing
- cece37c9843c 19 (unreleased) landed
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Fix local-variable shadowing in pg_trgm's printSourceNFA().
- cdaa67565867 19 (unreleased) cited