fis-gtm/sr_port/op_gvname.c

116 lines
3.6 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <stdarg.h>
#include "gtm_string.h"
#include "gdsroot.h"
#include "gdskill.h"
#include "gdsblk.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "gdscc.h"
#include "copy.h"
#include "jnl.h"
#include "hashtab_int4.h" /* needed for tp.h */
#include "buddy_list.h" /* needed for tp.h */
#include "tp.h"
#include "rtnhdr.h"
#include "mv_stent.h" /* for COPY_SUBS_TO_GVCURRKEY macro */
#include "op.h"
#include "gvcst_protos.h" /* for gvcst_root_search prototype */
#include "format_targ_key.h"
#include "gvsub2str.h"
#include "sgnl.h"
#include "mvalconv.h"
#include "tp_set_sgm.h"
GBLREF gd_addr *gd_header;
GBLREF gv_key *gv_currkey;
GBLREF gd_region *gv_cur_region;
GBLREF gv_namehead *gv_target;
GBLREF sgmnt_addrs *cs_addrs;
GBLREF sgmnt_data_ptr_t cs_data;
GBLREF gd_binding *gd_map;
GBLREF sgm_info *first_sgm_info;
GBLREF sgm_info *sgm_info_ptr;
GBLREF uint4 dollar_tlevel;
GBLREF mstr extnam_str;
void op_gvname(UNIX_ONLY_COMMA(int count_arg) mval *val_arg, ...)
{
int count;
bool was_null, is_null;
boolean_t bgormm;
mval *val;
short int max_key;
va_list var;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
DBG_CHECK_GVTARGET_GVCURRKEY_IN_SYNC;
extnam_str.len = 0;
if (!gd_header)
gvinit();
TREF(gd_targ_addr) = gd_header;
VAR_START(var, val_arg);
VMS_ONLY(va_count(count));
UNIX_ONLY(count = count_arg;) /* need to preserve stack copy for i386 */
count--;
val = val_arg;
if ((gd_header->maps == gd_map) && gv_currkey && (0 == gv_currkey->base[val->str.len]) &&
(0 == memcmp(gv_currkey->base, val->str.addr, val->str.len)))
{
gv_currkey->end = val->str.len + 1;
gv_currkey->base[gv_currkey->end] = 0;
gv_currkey->prev = 0;
bgormm = ((dba_bg == gv_cur_region->dyn.addr->acc_meth) || (dba_mm == gv_cur_region->dyn.addr->acc_meth));
if (bgormm)
{
if (dollar_tlevel)
tp_set_sgm();
assert(INVALID_GV_TARGET != gv_target);
GVCST_ROOT_SEARCH;
}
} else
{
GV_BIND_NAME_AND_ROOT_SEARCH(gd_header, &(val->str));
DEBUG_ONLY(
bgormm = ((dba_bg == gv_cur_region->dyn.addr->acc_meth) || (dba_mm == gv_cur_region->dyn.addr->acc_meth)));
}
assert(!bgormm || (gv_cur_region && &FILE_INFO(gv_cur_region)->s_addrs == cs_addrs && cs_addrs->hdr == cs_data));
assert(bgormm || !dollar_tlevel);
assert(!dollar_tlevel || sgm_info_ptr && (sgm_info_ptr->tp_csa == cs_addrs));
assert(gv_target->gd_csa == cs_addrs);
DBG_CHECK_GVTARGET_GVCURRKEY_IN_SYNC;
assert(TREF(gd_targ_addr) == gd_header);
was_null = is_null = FALSE;
max_key = gv_cur_region->max_key_size;
for ( ; count > 0; count--)
{
val = va_arg(var, mval *);
COPY_SUBS_TO_GVCURRKEY(val, max_key, gv_currkey, was_null, is_null); /* updates gv_currkey, was_null, is_null */
}
va_end(var);
TREF(gv_some_subsc_null) = was_null; /* if true, it indicates there is a null subscript (other than the last subscript)
in current key */
TREF(gv_last_subsc_null) = is_null; /* if true, it indicates that last subscript in current key is null */
if (was_null && NEVER == gv_cur_region->null_subs)
sgnl_gvnulsubsc();
TREF(prev_gv_target) = gv_target; /* note down gv_target in another global for debugging purposes (C9I09-003039) */
return;
}