44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2008 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 "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 "filestruct.h"
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#include "dpgbldir.h"
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#include "gv_match.h"
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/* Multiple regions from across multiple global directories might correspond to the same physical file.
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* This routine detects if a given input region's database file matches with the corresponding file of an already open region.
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* If yes it returns the FIRST matching region else it returns NULL.
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*/
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gd_region *gv_match(gd_region *reg)
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{
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gd_region *r_top, *gv_region;
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gd_addr *addr_ptr;
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for (addr_ptr = get_next_gdr(NULL); addr_ptr; addr_ptr = get_next_gdr(addr_ptr))
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{
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for (gv_region = addr_ptr->regions, r_top = gv_region + addr_ptr->n_regions; gv_region < r_top; gv_region++)
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{
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if (!gv_region->open)
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continue;
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if (REG_EQUAL(FILE_INFO(reg), gv_region))
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return gv_region;
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}
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}
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return NULL;
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}
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