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Drive a stake through the heart of the last use of MAX_PARSE_BUFFER

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in the backend.  Still a few stragglers, but we're getting closer to
being rid of query length limits...
This commit is contained in:
Tom Lane 1999-10-18 03:32:29 +00:00
parent 8e35bbd133
commit b7d49a4209
1 changed files with 25 additions and 21 deletions
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46
src/backend/utils/adt/acl.c
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@ -7,17 +7,18 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/acl.c,v 1.40 1999/07/17 20:17:52 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/acl.c,v 1.41 1999/10/18 03:32:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include <ctype.h>
#include "postgres.h"
#include "catalog/catalog.h"
#include "catalog/pg_shadow.h"
#include "catalog/pg_type.h"
#include "miscadmin.h"
#include "lib/stringinfo.h"
#include "utils/acl.h"
#include "utils/memutils.h"
#include "utils/syscache.h"
@ -41,7 +42,7 @@ static char *aclparse(char *s, AclItem *aip, unsigned *modechg);
* the string position in 's' that points to the next non-space character
* in 's', after any quotes. Also:
* - loads the identifier into 'name'. (If no identifier is found, 'name'
* contains an empty string).
* contains an empty string.) name must be NAMEDATALEN bytes.
*/
static char *
getid(char *s, char *n)
@ -69,9 +70,9 @@ getid(char *s, char *n)
in_quotes = 0;
}
}
if (len > sizeof(NameData))
elog(ERROR, "getid: identifier cannot be >%d characters",
sizeof(NameData));
if (len >= NAMEDATALEN)
elog(ERROR, "getid: identifier must be <%d characters",
NAMEDATALEN);
if (len > 0)
memmove(n, id, len);
n[len] = '\0';
@ -205,10 +206,10 @@ makeacl(int n)
Size size;
if (n < 0)
elog(ERROR, "makeacl: invalid size: %d\n", n);
elog(ERROR, "makeacl: invalid size: %d", n);
size = ACL_N_SIZE(n);
if (!(new_acl = (Acl *) palloc(size)))
elog(ERROR, "makeacl: palloc failed on %d\n", size);
elog(ERROR, "makeacl: palloc failed on %d", size);
MemSet((char *) new_acl, 0, size);
new_acl->size = size;
new_acl->ndim = 1;
@ -679,34 +680,37 @@ ChangeACLStmt *
makeAclStmt(char *privileges, List *rel_list, char *grantee,
char grant_or_revoke)
{
ChangeACLStmt *n = makeNode(ChangeACLStmt);
char str[MAX_PARSE_BUFFER];
ChangeACLStmt *n = makeNode(ChangeACLStmt);
StringInfoData str;
initStringInfo(&str);
/* see comment in pg_type.h */
Assert(ACLITEMSIZE == sizeof(AclItem));
n->aclitem = (AclItem *) palloc(sizeof(AclItem));
/* the grantee string is "G <group_name>", "U <user_name>", or "ALL" */
/* the grantee string is "G <group_name>", "U <user_name>", or "ALL" */
if (grantee[0] == 'G') /* group permissions */
{
sprintf(str, "%s %c%s%c%c%s",
ACL_IDTYPE_GID_KEYWORD,
'"', grantee + 2, '"', grant_or_revoke, privileges);
appendStringInfo(&str, "%s \"%s\"%c%s",
ACL_IDTYPE_GID_KEYWORD,
grantee + 2, grant_or_revoke, privileges);
}
else if (grantee[0] == 'U') /* user permission */
{
sprintf(str, "%s %c%s%c%c%s",
ACL_IDTYPE_UID_KEYWORD,
'"', grantee + 2, '"', grant_or_revoke, privileges);
appendStringInfo(&str, "%s \"%s\"%c%s",
ACL_IDTYPE_UID_KEYWORD,
grantee + 2, grant_or_revoke, privileges);
}
else
/* all permission */
{
sprintf(str, "%c%s",
grant_or_revoke, privileges);
/* all permission */
appendStringInfo(&str, "%c%s",
grant_or_revoke, privileges);
}
n->relNames = rel_list;
aclparse(str, n->aclitem, (unsigned *) &n->modechg);
aclparse(str.data, n->aclitem, (unsigned *) &n->modechg);
pfree(str.data);
return n;
}