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postgresql/src/include
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Peter Eisentraut 76acf4b722 Remove Item type 
This type is just char * underneath, it provides no real value, no
type safety, and just makes the code one level more mysterious.  It is
more idiomatic to refer to blobs of memory by a combination of void *
and size_t, so change it to that.

Also, since this type hides the pointerness, we can't apply qualifiers
to what is pointed to, which requires some unconstify nonsense.  This
change allows fixing that.

Extension code that uses the Item type can change its code to use
void * to be backward compatible.

Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Reviewed-by: Peter Geoghegan <pg@bowt.ie>
Discussion: https://www.postgresql.org/message-id/flat/c75cccf5-5709-407b-a36a-2ae6570be766@eisentraut.org
2025-10-27 09:55:59 +01:00
..
access Remove Item type 2025-10-27 09:55:59 +01:00
archive Update copyright for 2025 2025-01-01 11:21:55 -05:00
backup Add backup_type column to pg_stat_progress_basebackup. 2025-08-05 10:50:45 -07:00
bootstrap Allow redeclaration of typedef yyscan_t 2025-09-12 08:16:00 +02:00
catalog Introduce "REFRESH SEQUENCES" for subscriptions. 2025-10-23 08:30:27 +00:00
commands Add log_autoanalyze_min_duration 2025-10-15 14:31:12 +02:00
common Update various forward declarations to use typedef 2025-09-15 11:04:10 +02:00
datatype Avoid using timezone Asia/Manila in regression tests. 2025-01-20 15:47:53 -05:00
executor Introduce "REFRESH SEQUENCES" for subscriptions. 2025-10-23 08:30:27 +00:00
fe_utils Introduce frontend API able to retrieve the contents of PG_VERSION 2025-10-14 16:20:42 +09:00
foreign Improve ExplainState type handling in header files 2025-09-15 11:04:10 +02:00
jit jit: Fix type used for Datum values in LLVM IR. 2025-09-17 13:38:35 +12:00
lib Fix reset of incorrect hash iterator in GROUPING SETS queries 2025-10-18 16:07:04 +13:00
libpq Remove meaninglist restrict qualifiers 2025-10-27 08:53:09 +01:00
mb With GB18030, prevent SIGSEGV from reading past end of allocation. 2025-05-05 04:52:04 -07:00
nodes Introduce "REFRESH SEQUENCES" for subscriptions. 2025-10-23 08:30:27 +00:00
optimizer Remove partColsUpdated. 2025-10-16 11:31:38 -05:00
parser Add IGNORE NULLS/RESPECT NULLS option to Window functions. 2025-10-03 09:47:36 +09:00
partitioning Update various forward declarations to use typedef 2025-09-15 11:04:10 +02:00
pch meson: Increase minimum version to 0.57.2 2025-07-02 11:14:53 +02:00
port Optimize hex_encode() and hex_decode() using SIMD. 2025-10-06 12:28:50 -05:00
portability Update copyright for 2025 2025-01-01 11:21:55 -05:00
postmaster Add log_autoanalyze_min_duration 2025-10-15 14:31:12 +02:00
regex pg_regc_locale.c: rename some static functions. 2025-10-14 11:04:04 -07:00
replication Make invalid primary_slot_name follow standard GUC error reporting. 2025-10-22 20:09:43 +09:00
rewrite Update various forward declarations to use typedef 2025-09-15 11:04:10 +02:00
snowball Update to latest Snowball sources. 2025-02-18 21:13:54 -05:00
statistics Fix lookups in pg_{clear,restore}_{attribute,relation}_stats(). 2025-10-15 12:47:33 -05:00
storage Remove Item type 2025-10-27 09:55:59 +01:00
tcop Add ExplainState argument to pg_plan_query() and planner(). 2025-10-08 08:33:29 -04:00
tsearch Update copyright for 2025 2025-01-01 11:21:55 -05:00
utils Comment typo fixes: pg_wchar_t should be pg_wchar. 2025-10-26 12:31:50 -07:00
.gitignore Use <stdint.h> and <inttypes.h> for c.h integers. 2024-12-04 15:05:38 +13:00
c.h Rename pg_builtin_integer_constant_p to pg_integer_constant_p 2025-09-30 21:15:46 +02:00
fmgr.h Change fmgr.h typedefs to use original names 2025-09-15 11:04:10 +02:00
funcapi.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
getopt_long.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
Makefile Clean up newly added guc_tables.inc.c 2025-09-04 17:25:43 +02:00
meson.build meson: add and use stamp files for generated headers 2025-08-11 15:18:23 -04:00
miscadmin.h Revert function to get memory context stats for processes 2025-05-23 15:44:54 +02:00
pg_config.h.in aio: Combine io_uring memory mappings, if supported 2025-07-07 22:57:07 -04:00
pg_config_manual.h Make type Datum be 8 bytes wide everywhere. 2025-08-13 17:18:22 -04:00
pg_getopt.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
pg_trace.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
pgstat.h Add mem_exceeded_count column to pg_stat_replication_slots. 2025-10-08 10:05:04 -07:00
pgtar.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
pgtime.h Seek zone abbreviations in the IANA data before timezone_abbreviations. 2025-01-16 14:11:19 -05:00
port.h Add timingsafe_bcmp(), for constant-time memory comparison 2025-04-02 15:32:40 +03:00
postgres.h Grab the low-hanging fruit from forcing USE_FLOAT8_BYVAL to true. 2025-08-13 17:18:22 -04:00
postgres_ext.h Move pg_int64 back to postgres_ext.h 2025-09-16 10:48:56 +02:00
postgres_fe.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
varatt.h Convert varatt.h access macros to static inline functions. 2025-08-05 17:01:25 +02:00
windowapi.h Add IGNORE NULLS/RESPECT NULLS option to Window functions. 2025-10-03 09:47:36 +09:00