135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2013 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 "gdsblk.h"
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#include "min_max.h" /* needed for gdsblkops.h */
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#include "gdsblkops.h"
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#include "gdscc.h"
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#include "cli.h"
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#include "copy.h"
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#include "filestruct.h"
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#include "jnl.h"
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#include "dse.h"
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/* Include prototypes */
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#include "t_qread.h"
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#include "t_write.h"
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#include "t_end.h"
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#include "t_begin_crit.h"
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#include "gvcst_blk_build.h"
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#include "util.h"
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#include "t_abort.h"
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GBLREF char *update_array, *update_array_ptr;
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GBLREF gd_region *gv_cur_region;
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GBLREF uint4 update_array_size;
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GBLREF sgmnt_addrs *cs_addrs;
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GBLREF sgmnt_data_ptr_t cs_data;
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GBLREF srch_hist dummy_hist;
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GBLREF gd_addr *gd_header;
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GBLREF block_id patch_curr_blk;
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GBLREF cw_set_element cw_set[];
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void dse_adstar(void)
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{
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uchar_ptr_t lbp, b_top;
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block_id blk;
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blk_segment *bs1, *bs_ptr;
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int4 blk_seg_cnt, blk_size;
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short rsize;
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int tmp_cmpc;
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srch_blk_status blkhist;
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error_def(ERR_DBRDONLY);
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error_def(ERR_DSEBLKRDFAIL);
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error_def(ERR_DSEFAIL);
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if (gv_cur_region->read_only)
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rts_error(VARLSTCNT(4) ERR_DBRDONLY, 2, DB_LEN_STR(gv_cur_region));
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CHECK_AND_RESET_UPDATE_ARRAY; /* reset update_array_ptr to update_array */
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if (cli_present("BLOCK") == CLI_PRESENT)
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{
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if (!cli_get_hex("BLOCK", (uint4 *)&blk))
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return;
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patch_curr_blk = blk;
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}
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if (patch_curr_blk < 0 || patch_curr_blk >= cs_addrs->ti->total_blks || !(patch_curr_blk % cs_addrs->hdr->bplmap))
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{
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util_out_print("Error: invalid block number.", TRUE);
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return;
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}
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if (cli_present("POINTER") != CLI_PRESENT)
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{
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util_out_print("Error: block pointer must be specified.", TRUE);
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return;
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}
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if (!cli_get_hex("POINTER", (uint4 *)&blk))
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return;
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t_begin_crit(ERR_DSEFAIL);
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blk_size = cs_addrs->hdr->blk_size;
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blkhist.blk_num = patch_curr_blk;
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if (!(blkhist.buffaddr = t_qread(blkhist.blk_num, &blkhist.cycle, &blkhist.cr)))
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rts_error(VARLSTCNT(1) ERR_DSEBLKRDFAIL);
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lbp = (uchar_ptr_t)malloc(blk_size);
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memcpy(lbp, blkhist.buffaddr, blk_size);
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if (!((blk_hdr_ptr_t)lbp)->levl)
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{
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util_out_print("Error: cannot add a star record to a data block.", TRUE);
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free(lbp);
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t_abort(gv_cur_region, cs_addrs);
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return;
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}
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if (((blk_hdr_ptr_t) lbp)->bsiz > blk_size)
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b_top = lbp + blk_size;
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else if (((blk_hdr_ptr_t) lbp)->bsiz < SIZEOF(blk_hdr))
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b_top = lbp + SIZEOF(blk_hdr);
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else
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b_top = lbp + ((blk_hdr_ptr_t) lbp)->bsiz;
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if (b_top - lbp > blk_size - SIZEOF(rec_hdr) - SIZEOF(block_id))
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{
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util_out_print("Error: not enough free space in block for a star record.", TRUE);
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free(lbp);
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t_abort(gv_cur_region, cs_addrs);
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return;
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}
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rsize = SIZEOF(rec_hdr) + SIZEOF(block_id);
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PUT_SHORT(&((rec_hdr_ptr_t)b_top)->rsiz, rsize);
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SET_CMPC((rec_hdr_ptr_t)b_top, 0);
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PUT_LONG((block_id_ptr_t)(b_top + SIZEOF(rec_hdr)), blk);
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((blk_hdr_ptr_t)lbp)->bsiz += (unsigned int)(SIZEOF(rec_hdr) + SIZEOF(block_id));
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BLK_INIT(bs_ptr, bs1);
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BLK_SEG(bs_ptr, (uchar_ptr_t)lbp + SIZEOF(blk_hdr), (int)((blk_hdr_ptr_t)lbp)->bsiz - SIZEOF(blk_hdr));
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if (!BLK_FINI(bs_ptr, bs1))
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{
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util_out_print("Error: bad blk build.", TRUE);
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free(lbp);
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t_abort(gv_cur_region, cs_addrs);
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return;
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}
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t_write(&blkhist, (unsigned char *)bs1, 0, 0, ((blk_hdr_ptr_t)lbp)->levl, TRUE, FALSE, GDS_WRITE_KILLTN);
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BUILD_AIMG_IF_JNL_ENABLED(cs_data, cs_addrs->ti->curr_tn);
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t_end(&dummy_hist, NULL, TN_NOT_SPECIFIED);
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free(lbp);
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return;
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}
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