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backend where a statically sized buffer is written to. Most of these

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should be pretty safe in practice, but it's probably better to be safe
than sorry.

I was actually looking for cases where NAMEDATALEN is assumed to be
32, but only found one. That's fixed too, as well as a few bits of
code cleanup.

Neil Conway
This commit is contained in:
Bruce Momjian
2002-08-28 20:46:24 +00:00
parent f5fea0808f
commit 81dfa2ce43
13 changed files with 33 additions and 37 deletions
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4
src/backend/parser/analyze.c
View File

@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.244 2002/08/27 04:55:07 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.245 2002/08/28 20:46:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2157,7 +2157,7 @@ transformSetOperationTree(ParseState *pstate, SelectStmt *stmt)
/*
* Make the leaf query be a subquery in the top-level rangetable.
*/
sprintf(selectName, "*SELECT* %d", length(pstate->p_rtable) + 1);
snprintf(selectName, 32, "*SELECT* %d", length(pstate->p_rtable) + 1);
rte = addRangeTableEntryForSubquery(pstate,
selectQuery,
makeAlias(selectName, NIL),

4
src/backend/parser/gram.y
View File

@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.362 2002/08/28 14:35:37 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.363 2002/08/28 20:46:23 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -2096,7 +2096,7 @@ TriggerFuncArg:
ICONST
{
char buf[64];
sprintf (buf, "%d", $1);
snprintf (buf, sizeof(buf), "%d", $1);
$$ = makeString(pstrdup(buf));
}
| FCONST { $$ = makeString($1); }