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In PQfn(), defend against too many args, and avoid dependency

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on FUNC_MAX_ARGS by using an appropriate fmgr() call.
This commit is contained in:
Tom Lane 2000-01-12 05:27:20 +00:00
parent ef899c7f62
commit 72ed6ff5ad
1 changed files with 7 additions and 7 deletions
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14
src/backend/libpq/be-pqexec.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/Attic/be-pqexec.c,v 1.28 2000/01/11 03:33:12 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/Attic/be-pqexec.c,v 1.29 2000/01/12 05:27:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -58,12 +58,16 @@ PQfn(int fnid,
{
char *retval; /* XXX - should be datum, maybe ? */
char *arg[FUNC_MAX_ARGS];
bool isNull;
int i;
/* ----------------
* fill args[] array
* ----------------
*/
if (nargs > FUNC_MAX_ARGS)
elog(ERROR, "functions cannot have more than %d arguments",
FUNC_MAX_ARGS);
for (i = 0; i < nargs; i++)
{
if (args[i].len == VAR_LENGTH_ARG)
@ -78,18 +82,14 @@ PQfn(int fnid,
* call the postgres function manager
* ----------------
*/
retval = (char *)
fmgr(fnid, arg[0], arg[1], arg[2], arg[3],
arg[4], arg[5], arg[6], arg[7],
arg[8], arg[9], arg[10], arg[11],
arg[12], arg[13], arg[14], arg[15]);
retval = fmgr_array_args(fnid, nargs, arg, &isNull);
/* ----------------
* put the result in the buffer the user specified and
* return the proper code.
* ----------------
*/
if (retval == (char *) NULL)/* void retval */
if (isNull) /* void retval */
return "0";
if (result_is_int)