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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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16
contrib/pageinspect/hashfuncs.c
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@ -238,7 +238,7 @@ hash_page_stats(PG_FUNCTION_ARGS)
Page page;
int j;
Datum values[9];
bool nulls[9];
bool nulls[9] = {0};
HashPageStat stat;
HeapTuple tuple;
TupleDesc tupleDesc;
@ -261,8 +261,6 @@ hash_page_stats(PG_FUNCTION_ARGS)
elog(ERROR, "return type must be a row type");
tupleDesc = BlessTupleDesc(tupleDesc);
MemSet(nulls, 0, sizeof(nulls));
j = 0;
values[j++] = Int32GetDatum(stat.live_items);
values[j++] = Int32GetDatum(stat.dead_items);
@ -303,7 +301,7 @@ hash_page_items(PG_FUNCTION_ARGS)
Page page;
Datum result;
Datum values[3];
bool nulls[3];
bool nulls[3] = {0};
uint32 hashkey;
HeapTuple tuple;
FuncCallContext *fctx;
@ -361,8 +359,6 @@ hash_page_items(PG_FUNCTION_ARGS)
itup = (IndexTuple) PageGetItem(uargs->page, id);
MemSet(nulls, 0, sizeof(nulls));
j = 0;
values[j++] = Int32GetDatum((int32) uargs->offset);
values[j++] = PointerGetDatum(&itup->t_tid);
@ -409,7 +405,7 @@ hash_bitmap_info(PG_FUNCTION_ARGS)
int i,
j;
Datum values[3];
bool nulls[3];
bool nulls[3] = {0};
uint32 *freep;
if (!superuser())
@ -495,8 +491,6 @@ hash_bitmap_info(PG_FUNCTION_ARGS)
elog(ERROR, "return type must be a row type");
tupleDesc = BlessTupleDesc(tupleDesc);
MemSet(nulls, 0, sizeof(nulls));
j = 0;
values[j++] = Int64GetDatum((int64) bitmapblkno);
values[j++] = Int32GetDatum(bitmapbit);
@ -526,7 +520,7 @@ hash_metapage_info(PG_FUNCTION_ARGS)
int i,
j;
Datum values[16];
bool nulls[16];
bool nulls[16] = {0};
Datum spares[HASH_MAX_SPLITPOINTS];
Datum mapp[HASH_MAX_BITMAPS];
@ -544,8 +538,6 @@ hash_metapage_info(PG_FUNCTION_ARGS)
metad = HashPageGetMeta(page);
MemSet(nulls, 0, sizeof(nulls));
j = 0;
values[j++] = Int64GetDatum((int64) metad->hashm_magic);
values[j++] = Int64GetDatum((int64) metad->hashm_version);