74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2009 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 "io.h"
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#include "iosp.h"
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#include "op.h"
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#include "trans_log_name.h"
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GBLREF io_pair io_curr_device;
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GBLREF io_desc *active_device;
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GBLREF io_log_name *dollar_principal;
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GBLREF io_log_name *io_root_log_name; /* root of linked list */
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void op_use(mval *v, mval *p)
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{
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char buf1[MAX_TRANS_NAME_LEN]; /* buffer to hold translated name */
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io_log_name *nl; /* logical record for passed name */
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io_log_name *tl; /* logical record for translated name */
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int4 stat; /* status */
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mstr tn; /* translated name */
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error_def(ERR_IONOTOPEN);
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MV_FORCE_STR(v);
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MV_FORCE_STR(p);
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nl = get_log_name(&v->str, NO_INSERT);
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if (!nl)
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{
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stat = TRANS_LOG_NAME(&v->str, &tn, buf1, SIZEOF(buf1), do_sendmsg_on_log2long);
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if (stat != SS_NORMAL)
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rts_error(VARLSTCNT(1) ERR_IONOTOPEN);
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else
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{
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if ((tl = get_log_name(&tn, NO_INSERT)) == 0)
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rts_error(VARLSTCNT(1) ERR_IONOTOPEN);
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if (!tl->iod)
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rts_error(VARLSTCNT(1) ERR_IONOTOPEN);
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nl = get_log_name(&v->str, INSERT);
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nl->iod = tl->iod;
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}
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}
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if (nl->iod->state != dev_open)
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rts_error(VARLSTCNT(1) ERR_IONOTOPEN);
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if (dollar_principal && nl->iod == dollar_principal->iod)
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{ /* if device is a GTM_PRINCIPAL synonym */
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nl = dollar_principal;
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}
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else
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{
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/* special case U "" and U 0 to be equivalent to U $P */
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/* note: "" is always the root */
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if (nl == io_root_log_name || (nl->len == 1 && nl->dollar_io[0] == '0'))
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nl = nl->iod->trans_name;
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}
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active_device = nl->iod;
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io_curr_device = nl->iod->pair;
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io_curr_device.in->name = nl;
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(nl->iod->disp_ptr->use)(nl->iod, p);
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if (nl->iod->pair.in != nl->iod->pair.out)
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(nl->iod->pair.out->disp_ptr->use)(nl->iod->pair.out, p);
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active_device = 0;
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return;
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}
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