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Replace many MemSet calls with struct initialization

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This replaces all MemSet() calls with struct initialization where that
is easily and obviously possible.  (For example, some cases have to
worry about padding bits, so I left those.)

(The same could be done with appropriate memset() calls, but this
patch is part of an effort to phase out MemSet(), so it doesn't touch
memset() calls.)

Reviewed-by: Ranier Vilela <ranier.vf@gmail.com>
Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Discussion: https://www.postgresql.org/message-id/9847b13c-b785-f4e2-75c3-12ec77a3b05c@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-07-16 08:42:15 +02:00
parent c94ae9d827
commit 9fd45870c1
51 changed files with 200 additions and 468 deletions
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12
src/backend/utils/adt/lockfuncs.c
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@@ -172,8 +172,8 @@ pg_lock_status(PG_FUNCTION_ARGS)
LOCKMODE mode = 0;
const char *locktypename;
char tnbuf[32];
Datum values[NUM_LOCK_STATUS_COLUMNS];
bool nulls[NUM_LOCK_STATUS_COLUMNS];
Datum values[NUM_LOCK_STATUS_COLUMNS] = {0};
bool nulls[NUM_LOCK_STATUS_COLUMNS] = {0};
HeapTuple tuple;
Datum result;
LockInstanceData *instance;
@@ -230,8 +230,6 @@ pg_lock_status(PG_FUNCTION_ARGS)
/*
* Form tuple with appropriate data.
*/
MemSet(values, 0, sizeof(values));
MemSet(nulls, false, sizeof(nulls));
if (instance->locktag.locktag_type <= LOCKTAG_LAST_TYPE)
locktypename = LockTagTypeNames[instance->locktag.locktag_type];
@@ -359,8 +357,8 @@ pg_lock_status(PG_FUNCTION_ARGS)
PREDICATELOCKTARGETTAG *predTag = &(predLockData->locktags[mystatus->predLockIdx]);
SERIALIZABLEXACT *xact = &(predLockData->xacts[mystatus->predLockIdx]);
Datum values[NUM_LOCK_STATUS_COLUMNS];
bool nulls[NUM_LOCK_STATUS_COLUMNS];
Datum values[NUM_LOCK_STATUS_COLUMNS] = {0};
bool nulls[NUM_LOCK_STATUS_COLUMNS] = {0};
HeapTuple tuple;
Datum result;
@@ -369,8 +367,6 @@ pg_lock_status(PG_FUNCTION_ARGS)
/*
* Form tuple with appropriate data.
*/
MemSet(values, 0, sizeof(values));
MemSet(nulls, false, sizeof(nulls));
/* lock type */
lockType = GET_PREDICATELOCKTARGETTAG_TYPE(*predTag);