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Back out use of palloc0 in place if palloc/MemSet. Seems constant len

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to MemSet is a performance boost.
This commit is contained in:
Bruce Momjian
2002-11-11 03:02:20 +00:00
parent 5d283d89cb
commit 75fee4535d
38 changed files with 212 additions and 110 deletions
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6
src/backend/postmaster/postmaster.c
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@@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.291 2002/11/10 07:25:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.292 2002/11/11 03:02:19 momjian Exp $
*
* NOTES
*
@@ -1092,8 +1092,10 @@ ProcessStartupPacket(Port *port, bool SSLdone)
if (len < sizeof(ProtocolVersion) || len > sizeof(StartupPacket))
elog(FATAL, "invalid length of startup packet");
buf = palloc(sizeof(StartupPacket));
/* Ensure we see zeroes for any bytes not sent */
buf = palloc0(sizeof(StartupPacket));
MemSet(buf, 0, sizeof(StartupPacket));
if (pq_getbytes(buf, len) == EOF)
{