[HACKERS] Possible bug in plpgsql/src/gram.y

[Ian Lance Taylor]

In this bit of code in src/pl/plpgsql/src/gram.y in the current CVS
sources, curname_def is defined as PLpgSQL_expr * but it is is
allocated the space required for a PLpgSQL_var.  This looks like a
bug.

Ian

                                | decl_varname K_CURSOR decl_cursor_args decl_is_from 
K_SELECT decl_cursor_query
                                        {
                                                PLpgSQL_var *new;
                                                PLpgSQL_expr *curname_def;
                                                char            buf[1024];
                                                char            *cp1;
                                                char            *cp2;

                                                plpgsql_ns_pop();

                                                new = malloc(sizeof(PLpgSQL_var));
                                                memset(new, 0, sizeof(PLpgSQL_var));

                                                curname_def = 
malloc(sizeof(PLpgSQL_var));
                                                memset(curname_def, 0, 
sizeof(PLpgSQL_var));

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