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Commit8acc568

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committed
CommentProc was careless about too many arguments.
1 parent421d4f9 commit8acc568

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1 file changed

+50
-51
lines changed

1 file changed

+50
-51
lines changed

‎src/backend/commands/comment.c

Lines changed: 50 additions & 51 deletions
Original file line numberDiff line numberDiff line change
@@ -101,10 +101,11 @@ void CommentObject(int objtype, char *objname, char *objproperty,
101101
CommentTrigger(objname,objproperty,comment);
102102
break;
103103
default:
104-
elog(ERROR,"An attempt was made to comment on aunkown type: %i",
104+
elog(ERROR,"An attempt was made to comment on aunknown type: %i",
105105
objtype);
106106
}
107107

108+
108109
}
109110

110111
/*------------------------------------------------------------------
@@ -586,64 +587,62 @@ void CommentAggregate(char *aggregate, char *argument, char *comment) {
586587
*------------------------------------------------------------------
587588
*/
588589

589-
voidCommentProc(char*function,List*arguments,char*comment) {
590-
591-
HeapTupleargtuple,functuple;
592-
Oidoid,argoids[FUNC_MAX_ARGS];
593-
char*user,*argument;
594-
inti,argcount;
595-
596-
/*** First, initialize function's argument list with their type oids ***/
597-
598-
argcount=length(arguments);
599-
if (argcount>0) {
600-
MemSet(argoids,0,FUNC_MAX_ARGS*sizeof(Oid));
601-
for (i=0;i<argcount;i++) {
602-
argument=strVal(lfirst(arguments));
603-
arguments=lnext(arguments);
604-
if (strcmp(argument,"opaque")==0) {
605-
argoids[i]=0;
606-
}else {
607-
argtuple=SearchSysCacheTuple(TYPENAME,PointerGetDatum(argument),
608-
0,0,0);
609-
if (!HeapTupleIsValid(argtuple)) {
610-
elog(ERROR,"function argument type '%s' does not exist",
611-
argument);
612-
}
613-
argoids[i]=argtuple->t_data->t_oid;
614-
}
590+
voidCommentProc(char*function,List*arguments,char*comment)
591+
{
592+
HeapTupleargtuple,functuple;
593+
Oidoid,argoids[FUNC_MAX_ARGS];
594+
char*user,*argument;
595+
inti,argcount;
596+
597+
/*** First, initialize function's argument list with their type oids ***/
598+
599+
MemSet(argoids,0,FUNC_MAX_ARGS*sizeof(Oid));
600+
argcount=length(arguments);
601+
if (argcount>FUNC_MAX_ARGS)
602+
elog(ERROR,"functions cannot have more than %d arguments",
603+
FUNC_MAX_ARGS);
604+
for (i=0;i<argcount;i++) {
605+
argument=strVal(lfirst(arguments));
606+
arguments=lnext(arguments);
607+
if (strcmp(argument,"opaque")==0)
608+
{
609+
argoids[i]=0;
610+
}
611+
else
612+
{
613+
argtuple=SearchSysCacheTuple(TYPENAME,
614+
PointerGetDatum(argument),
615+
0,0,0);
616+
if (!HeapTupleIsValid(argtuple))
617+
elog(ERROR,"function argument type '%s' does not exist",
618+
argument);
619+
argoids[i]=argtuple->t_data->t_oid;
620+
}
615621
}
616-
}
617-
618-
/*** Now, validate the user's ability to comment on this function ***/
619-
620-
#ifndefNO_SECURITY
621-
user=GetPgUserName();
622-
if (!pg_func_ownercheck(user,function,argcount,argoids)) {
623-
elog(ERROR,"you are not permitted to comment on function '%s'",
624-
function);
625-
}
626-
#endif
627-
628-
/*** Now, find the corresponding oid for this procedure ***/
629622

630-
functuple=SearchSysCacheTuple(PROCNAME,PointerGetDatum(function),
631-
Int32GetDatum(argcount),
632-
PointerGetDatum(argoids),0);
623+
/*** Now, validate the user's ability to comment on this function ***/
633624

634-
/*** Deallocate our argument oids and check the function tuple ***/
625+
#ifndefNO_SECURITY
626+
user=GetPgUserName();
627+
if (!pg_func_ownercheck(user,function,argcount,argoids))
628+
elog(ERROR,"you are not permitted to comment on function '%s'",
629+
function);
630+
#endif
635631

636-
if (!HeapTupleIsValid(functuple)) {
637-
elog(ERROR,"function '%s' with the supplied %s does not exist",
638-
function,"argument list");
639-
}
632+
/*** Now, find the corresponding oid for this procedure ***/
640633

641-
oid=functuple->t_data->t_oid;
634+
functuple=SearchSysCacheTuple(PROCNAME,PointerGetDatum(function),
635+
Int32GetDatum(argcount),
636+
PointerGetDatum(argoids),0);
642637

643-
/*** Call CreateComments() to create/drop the comments ***/
638+
if (!HeapTupleIsValid(functuple))
639+
elog(ERROR,"function '%s' with the supplied %s does not exist",
640+
function,"argument list");
641+
oid=functuple->t_data->t_oid;
644642

645-
CreateComments(oid,comment);
643+
/*** Call CreateComments() to create/drop the comments ***/
646644

645+
CreateComments(oid,comment);
647646
}
648647

649648
/*------------------------------------------------------------------

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