78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2010 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gtm_string.h"
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#include "gdsroot.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "op.h"
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#include "sgnl.h"
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#include "gvcst_protos.h" /* for gvcst_queryget prototype */
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#include "gvcmx.h"
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#include "stringpool.h"
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#include "gvusr_queryget.h"
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GBLREF gv_namehead *gv_target;
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GBLREF gd_region *gv_cur_region;
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GBLREF gv_key *gv_currkey, *gv_altkey;
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LITREF mval literal_null;
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boolean_t op_gvqueryget(mval *key, mval *val)
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{
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boolean_t gotit;
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gv_key *save_key;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if (TREF(gv_last_subsc_null) && NEVER == gv_cur_region->null_subs)
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sgnl_gvnulsubsc();
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switch (gv_cur_region->dyn.addr->acc_meth)
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{
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case dba_bg:
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case dba_mm:
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gotit = (0 != gv_target->root) ? gvcst_queryget(val) : FALSE;
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break;
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case dba_cm:
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gotit = gvcmx_query(val);
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break;
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case dba_usr:
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save_key = gv_currkey;
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gv_currkey = gv_altkey;
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/* We rely on the fact that *gv_altkey area is not modified by gvusr_queryget, and don't change gv_altkey.
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* If and when *gv_altkey area is modified by gvusr_queryget, we have to set up a spare key area
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* (apart from gv_altkey and gv_currkey), and make gv_altkey point the spare area before calling gvusr_queryget */
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memcpy(gv_currkey, save_key, SIZEOF(*save_key) + save_key->end);
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gotit = gvusr_queryget(val);
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gv_altkey = gv_currkey;
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gv_currkey = save_key;
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break;
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default:
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GTMASSERT;
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}
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if (gotit)
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{
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key->mvtype = MV_STR;
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key->str.addr = (char *)gv_altkey->base;
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key->str.len = gv_altkey->end + 1;
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s2pool(&key->str);
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} else
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{
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*key = literal_null;
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*val = literal_null;
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}
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return gotit;
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}
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