66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/****************************************************************
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* *
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* Copyright 2001 Sanchez Computer Associates, 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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/* iob_write - buffered I/O with GT.M error signaling
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void iob_write(BFILE *bf, void *buf, int nbytes)
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BFILE *bf: file to write
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buf: buffer to place data read;
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nbytes: bytes to write.
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*/
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#include "mdef.h"
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#include "gtm_string.h"
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#include "gtm_stdio.h"
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#include <errno.h>
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#include "error.h"
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#include "iob.h"
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void iob_write(BFILE *bf, char *buf, int nbytes)
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{
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int4 nwrite;
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error_def(ERR_IOEOF);
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if (!bf->write_mode)
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{
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bf->write_mode = TRUE;
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bf->remaining = bf->bufsiz;
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bf->bptr = bf->buf;
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}
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#ifdef DEBUG_IOB
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PRINTF("iob_write:\tiob_write(%x, %x, %d), bf->remaining = %d\n",
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bf, buf, nbytes, bf->remaining);
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#endif
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while (nbytes > bf->remaining)
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{
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/* fill buffer */
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memcpy(bf->bptr, buf, bf->remaining);
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nbytes -= bf->remaining;
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buf += bf->remaining;
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bf->remaining = 0;
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/* empty */
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iob_flush(bf);
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}
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memcpy(bf->bptr, buf, nbytes);
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bf->bptr += nbytes;
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bf->remaining -= nbytes;
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}
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