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Fix to prevent too large tuple from being created.

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This commit is contained in:
Bruce Momjian
1999-07-03 00:33:04 +00:00
parent 954e466c27
commit 97dfff832c
11 changed files with 46 additions and 40 deletions
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23
src/backend/utils/adt/varchar.c
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@ -7,13 +7,14 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.46 1999/05/25 16:12:21 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.47 1999/07/03 00:32:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdio.h> /* for sprintf() */
#include <string.h>
#include "postgres.h"
#include "access/htup.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "catalog/pg_type.h"
@ -81,8 +82,9 @@ bpcharin(char *s, int dummy, int32 atttypmod)
else
len = atttypmod - VARHDRSZ;
if (len > BLCKSZ - 128)
elog(ERROR, "bpcharin: length of char() must be less than %d", BLCKSZ - 128);
if (len > MaxTupleSize)
elog(ERROR, "bpcharin: length of char() must be less than %d",
MaxTupleSize);
result = (char *) palloc(atttypmod);
VARSIZE(result) = atttypmod;
@ -151,8 +153,9 @@ bpchar(char *s, int32 len)
rlen = len - VARHDRSZ;
if (rlen > BLCKSZ - 128)
elog(ERROR, "bpchar: length of char() must be less than %d", BLCKSZ - 128);
if (rlen > MaxTupleSize)
elog(ERROR, "bpchar: length of char() must be less than %d",
MaxTupleSize);
#ifdef STRINGDEBUG
printf("bpchar- convert string length %d (%d) ->%d (%d)\n",
@ -332,8 +335,9 @@ varcharin(char *s, int dummy, int32 atttypmod)
if (atttypmod != -1 && len > atttypmod)
len = atttypmod; /* clip the string at max length */
if (len > BLCKSZ - 128)
elog(ERROR, "varcharin: length of char() must be less than %d", BLCKSZ - 128);
if (len > MaxTupleSize)
elog(ERROR, "varcharin: length of char() must be less than %d",
MaxTupleSize);
result = (char *) palloc(len);
VARSIZE(result) = len;
@ -403,8 +407,9 @@ varchar(char *s, int32 slen)
len = slen - VARHDRSZ;
#endif
if (len > BLCKSZ - 128)
elog(ERROR, "varchar: length of varchar() must be less than BLCKSZ-128");
if (len > MaxTupleSize)
elog(ERROR, "varchar: length of varchar() must be less than %d",
MaxTupleSize);
result = (char *) palloc(slen);
VARSIZE(result) = slen;