75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2007 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 "iottdef.h"
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#include "iomtdef.h"
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GBLREF io_pair io_curr_device;
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void iomt_getrec (io_desc *dv)
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{
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#ifdef __MVS__
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#pragma convlit(suspend)
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#endif
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error_def (ERR_MTRDTHENWRT);
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error_def (ERR_MTRECTOOBIG);
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error_def (ERR_MTRECTOOSM);
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unsigned char *cp, *cx, fill_char;
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d_mt_struct *mt_ptr;
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int x, ln;
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mt_ptr = (d_mt_struct *) dv->dev_sp;
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cp = mt_ptr->buffptr;
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if (!mt_ptr->stream)
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fill_char = '^';
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ln = (int)(mt_ptr->bufftop - cp);
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if (ln < 0)
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rts_error (VARLSTCNT (1) ERR_MTRECTOOBIG);
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else if (ln == 0)
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{
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iomt_readblk (dv);
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cp = mt_ptr->buffer;
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ln = (int)(mt_ptr->bufftop - cp);
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} else if (*cp == fill_char)
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{
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if (!mt_ptr->fixed || !skpc (fill_char, ln, (char *)cp))
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{
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iomt_readblk (dv);
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cp = mt_ptr->buffer;
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ln = (int)(mt_ptr->bufftop - cp);
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}
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}
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if (mt_ptr->fixed)
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{
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mt_ptr->rec.len = (ln < mt_ptr->record_sz) ? ln : mt_ptr->record_sz;
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} else if (!mt_ptr->stream)
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{
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x = *cp++ - '0';
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x = x * 10 + (*cp++ - '0');
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x = x * 10 + (*cp++ - '0');
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x = x * 10 + (*cp++ - '0') - MT_RECHDRSIZ;
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if (x < 0)
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rts_error (VARLSTCNT (1) ERR_MTRECTOOSM);
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if (x > mt_ptr->record_sz || x > ln)
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rts_error (VARLSTCNT (1) ERR_MTRECTOOBIG);
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mt_ptr->rec.len = x;
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}
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mt_ptr->rec.addr = (char *) cp;
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mt_ptr->buffptr = (unsigned char *) (mt_ptr->rec.addr + mt_ptr->rec.len);
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mt_ptr->last_op = mt_read;
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return;
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#ifdef __MVS__
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#pragma convlit(resume)
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#endif
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}
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