134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2012 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 "filestruct.h"
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#include "min_max.h" /* needed for init_root_gv.h */
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#include "init_root_gv.h"
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#include "util.h"
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#include "cli.h"
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#include "dse.h"
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GBLREF block_id patch_curr_blk;
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GBLREF gd_region *gv_cur_region;
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GBLREF gd_addr *gd_header;
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GBLREF sgmnt_data_ptr_t cs_data;
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GBLREF sgmnt_addrs *cs_addrs;
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GBLREF short crash_count;
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GBLREF mval dollar_zgbldir;
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GBLREF gd_addr *original_header;
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GBLREF gv_namehead *gv_target;
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GBLREF gv_key *gv_currkey;
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void dse_f_reg(void)
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{
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char rn[MAX_RN_LEN];
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unsigned short rnlen;
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int i;
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bool found;
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gd_region *ptr;
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gd_addr *temp_gdaddr;
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gd_binding *map;
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temp_gdaddr = gd_header;
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gd_header = original_header;
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rnlen = SIZEOF(rn);
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if (!cli_get_str("REGION",rn,&rnlen))
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{
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gd_header = temp_gdaddr;
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return;
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}
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if (rn[0] == '*' && rnlen == 1)
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{
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util_out_print("List of global directory:!_!AD!/",TRUE,dollar_zgbldir.str.len,dollar_zgbldir.str.addr);
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for (i=0, ptr = gd_header->regions; i < gd_header->n_regions ;i++, ptr++)
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{ util_out_print("!/File !_!AD",TRUE, ptr->dyn.addr->fname_len,&ptr->dyn.addr->fname[0]);
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util_out_print("Region!_!AD",TRUE, REG_LEN_STR(ptr));
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}
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gd_header = temp_gdaddr;
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return;
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}
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assert(rn[0]);
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found = FALSE;
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for (i=0, ptr = gd_header->regions; i < gd_header->n_regions ;i++, ptr++)
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{
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if (found = !memcmp(&ptr->rname[0],&rn[0],MAX_RN_LEN))
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break;
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}
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if (!found)
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{
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util_out_print("Error: region not found.",TRUE);
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gd_header = temp_gdaddr;
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return;
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}
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if (ptr == gv_cur_region)
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{
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util_out_print("Error: already in region: !AD",TRUE,REG_LEN_STR(gv_cur_region));
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gd_header = temp_gdaddr;
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return;
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}
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if (ptr->dyn.addr->acc_meth == dba_cm)
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{
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util_out_print("Error: Cannot edit an GT.CM database file.",TRUE);
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gd_header = temp_gdaddr;
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return;
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}
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if (ptr->dyn.addr->acc_meth == dba_usr)
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{
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util_out_print("Error: Cannot edit a non-GDS format database file.",TRUE);
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gd_header = temp_gdaddr;
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return;
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}
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if (!ptr->open)
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{
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util_out_print("Error: that region was not opened because it is not bound to any namespace.",TRUE);
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gd_header = temp_gdaddr;
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return;
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}
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if (TRUE == cs_addrs->now_crit)
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{
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util_out_print("Warning: now leaving region in critical section: !AD",TRUE, gv_cur_region->rname_len,
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gv_cur_region->rname);
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}
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gv_cur_region = ptr;
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gv_target = NULL; /* to prevent out-of-sync situations between gv_target and cs_addrs */
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gv_currkey->base[0] = '\0'; /* prevent fast-path from op_gvname from being taken as region has been switched
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* and gv_target has been reset to NULL.
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*/
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gv_currkey->end = 0; /* clear end so it is in sync with base[0] */
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switch (gv_cur_region->dyn.addr->acc_meth)
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{
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case dba_mm:
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case dba_bg:
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cs_addrs = &FILE_INFO(gv_cur_region)->s_addrs;
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cs_data = cs_addrs->hdr;
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break;
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default:
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GTMASSERT;
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}
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if (cs_addrs && cs_addrs->critical)
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crash_count = cs_addrs->critical->crashcnt;
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util_out_print("!/File !_!AD",TRUE, DB_LEN_STR(gv_cur_region));
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util_out_print("Region!_!AD!/",TRUE, REG_LEN_STR(gv_cur_region));
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patch_curr_blk = get_dir_root();
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gv_init_reg(gv_cur_region);
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GET_SAVED_GDADDR(gd_header, temp_gdaddr, map, gv_cur_region);
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return;
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}
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