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postgresql/src/include/utils
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Thomas Munro 7201cd1862 Fix relptr's encoding of the base address. 
Previously, we encoded both NULL and the first byte at the base address
as 0.  That confusion led to the assertion in commit e07d4ddc, which
failed when min_dynamic_shared_memory was used.  Give them distinct
encodings, by switching to 1-based offsets for non-NULL pointers.  Also
improve macro hygiene in passing (missing/misplaced parentheses), and
remove open-coded access to the raw offset value from freepage.c/h.

Although e07d4ddc was back-patched to 10, the only code that actually
makes use of relptr at the base address arrived in 84b1c63a, so no need
to back-patch further than 14 for now.

Reported-by: Justin Pryzby <pryzby@telsasoft.com>
Reviewed-by: Robert Haas <robertmhaas@gmail.com>
Discussion: https://postgr.es/m/20220519193839.GT19626%40telsasoft.com
2022-06-27 11:34:26 +12:00
..
.gitignore Revert "Add gitignore entries for jsonpath_gram.h" 2019-03-23 00:19:34 +01:00
acl.h Allow granting SET and ALTER SYSTEM privileges on GUC parameters. 2022-04-06 13:24:33 -04:00
aclchk_internal.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
array.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
arrayaccess.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
ascii.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
attoptcache.h Add missing 'extern' to function prototypes. 2022-05-12 12:39:33 -07:00
backend_progress.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
backend_status.h pgstat: stats collector references in comments. 2022-04-06 13:56:06 -07:00
builtins.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
bytea.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
cash.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
catcache.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
combocid.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
date.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
datetime.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
datum.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
dsa.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
dynahash.h Fix various typos, grammar and code style in comments and docs 2022-01-25 09:40:04 +09:00
elog.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
evtcache.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
expandeddatum.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
expandedrecord.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
float.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
fmgrtab.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
formatting.h Pre-beta mechanical code beautification. 2022-05-12 15:17:30 -04:00
freepage.h Fix relptr's encoding of the base address. 2022-06-27 11:34:26 +12:00
geo_decls.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
guc.h Be more careful about GucSource for internally-driven GUC settings. 2022-06-08 13:26:18 -04:00
guc_tables.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
help_config.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
hsearch.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
index_selfuncs.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
inet.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
inval.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
json.h SQL JSON functions 2022-03-30 16:30:37 -04:00
jsonb.h SQL JSON functions 2022-03-30 16:30:37 -04:00
jsonfuncs.h SQL/JSON query functions 2022-03-29 16:57:13 -04:00
jsonpath.h Pre-beta mechanical code beautification. 2022-05-12 15:17:30 -04:00
logtape.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
lsyscache.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
memdebug.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
memutils.h Improve the generation memory allocator 2022-04-04 20:53:13 +12:00
multirangetypes.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
numeric.h Add missing 'extern' to function prototypes. 2022-05-12 12:39:33 -07:00
old_snapshot.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
palloc.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
partcache.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
pg_crc.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
pg_locale.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
pg_lsn.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
pg_rusage.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
pgstat_internal.h Remove duplicated words in comments of pgstat.c and pgstat_internal.h 2022-05-24 11:00:41 +09:00
pidfile.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
plancache.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
portal.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
ps_status.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
queryenvironment.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
queryjumble.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
rangetypes.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
regproc.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
rel.h Revert changes in HOT handling of BRIN indexes 2022-06-16 15:02:49 +02:00
relcache.h Revert changes in HOT handling of BRIN indexes 2022-06-16 15:02:49 +02:00
relfilenodemap.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
relmapper.h Pre-beta mechanical code beautification. 2022-05-12 15:17:30 -04:00
relptr.h Fix relptr's encoding of the base address. 2022-06-27 11:34:26 +12:00
reltrigger.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
resowner.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
resowner_private.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
rls.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
ruleutils.h Add public ruleutils.c entry point to deparse a Query. 2022-03-28 11:19:37 -04:00
sampling.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
selfuncs.h Pre-beta mechanical code beautification. 2022-05-12 15:17:30 -04:00
sharedtuplestore.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
snapmgr.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
snapshot.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
sortsupport.h Pre-beta mechanical code beautification. 2022-05-12 15:17:30 -04:00
spccache.h Add missing 'extern' to function prototypes. 2022-05-12 12:39:33 -07:00
syscache.h Allow granting SET and ALTER SYSTEM privileges on GUC parameters. 2022-04-06 13:24:33 -04:00
timeout.h pgstat: store statistics in shared memory. 2022-04-06 21:29:46 -07:00
timestamp.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00
tuplesort.h Use Generation memory contexts to store tuples in sorts 2022-04-04 22:52:35 +12:00
tuplestore.h Remove all traces of tuplestore_donestoring() in the C code 2022-02-17 09:52:02 +09:00
typcache.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
tzparser.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
uuid.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
varbit.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
varlena.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
wait_event.h pgstat: store statistics in shared memory. 2022-04-06 21:29:46 -07:00
xid8.h Update copyright for 2022 2022-01-07 19:04:57 -05:00
xml.h Apply PGDLLIMPORT markings broadly. 2022-04-08 08:16:38 -04:00