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/****************************************************************
* *
* Copyright 2001 Sanchez Computer Associates, Inc. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
/* iob_write - buffered I/O with GT.M error signaling
void iob_write(BFILE *bf, void *buf, int nbytes)
BFILE *bf: file to write
buf: buffer to place data read;
nbytes: bytes to write.
*/
#include "mdef.h"
#include "gtm_string.h"
#include "gtm_stdio.h"
#include <errno.h>
#include "error.h"
#include "iob.h"
void iob_write(BFILE *bf, char *buf, int nbytes)
{
int4 nwrite;
error_def(ERR_IOEOF);
if (!bf->write_mode)
{
bf->write_mode = TRUE;
bf->remaining = bf->bufsiz;
bf->bptr = bf->buf;
}
#ifdef DEBUG_IOB
PRINTF("iob_write:\tiob_write(%x, %x, %d), bf->remaining = %d\n",
bf, buf, nbytes, bf->remaining);
#endif
while (nbytes > bf->remaining)
{
/* fill buffer */
memcpy(bf->bptr, buf, bf->remaining);
nbytes -= bf->remaining;
buf += bf->remaining;
bf->remaining = 0;
/* empty */
iob_flush(bf);
}
memcpy(bf->bptr, buf, nbytes);
bf->bptr += nbytes;
bf->remaining -= nbytes;
}
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