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/* This file is the counterpart of "read.c". It contains the code for writing
* insofar as this is not contained in read_write().
*
* The entry points into this file are
* do_write: call read_write to perform the WRITE system call
*/
#include "fs.h"
#include "file.h"
#include <minix/callnr.h>
/*===========================================================================*
* do_write *
*===========================================================================*/
int do_write(void)
{
/* Perform the write(fd, buffer, nbytes) system call. */
/* See the comment in do_read(). */
if (job_m_in.m_lc_vfs_readwrite.cum_io != 0)
return(EINVAL);
return(do_read_write_peek(WRITING, job_m_in.m_lc_vfs_readwrite.fd,
job_m_in.m_lc_vfs_readwrite.buf, job_m_in.m_lc_vfs_readwrite.len));
}
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