void
devnull_stdout()
{
int i, j;
if (fmode & 01000)
{
printf("\"fd y\" ignored (mode +v)\r\n");
} /* if (fmode & 01000) */
else
{
/* Only switch output to /dev/null if not there already. */
/* If o/p is to /dev/null, orig_stdout has original fd */
if (orig_stdout == -1)
{
do
orig_stdout = dup(1);
while (orig_stdout == -1 && errno == EINTR);
if (orig_stdout == -1)
{
fprintf(stderr, "\r\n%s. (dup(1))\r\n", strerror(errno));
refrsh(NULL);
return;
} /* if (orig_stdout == -1) */
do
i = close(1);
while (i == -1 && errno == EINTR);
do
i = open("/dev/null", O_RDWR);
while (i == -1 && errno == EINTR);
if (i == -1)
{
fprintf(stderr, "\r\n%s. /dev/null (open)\r\n", strerror(errno));
refrsh(NULL);
restore_stdout();
return;
} /* if (i == -1) */
/* Verify we opened fd 1. Attempt to rectify if not */
if (i != 1)
{
do
j = dup2(i, 1);
while (j == -1 && errno == EINTR);
if (j == -1)
{
fprintf(stderr, "\r\n%s. (dup2(%d, 1))\r\n", strerror(errno), i);
do
j = close(i);
while (j == -1 && errno == EINTR);
restore_stdout();
return;
} /* if (j == -1) */
} /* if (i != 1) */
} /* if (orig_stdout == -1) */
stdinfo[stdidx].nullstdout = true;
} /* if (fmode & 01000) else */
} /* devnull_stdout() */
void
sdsply()
{
/* */
scrbuf5 Curr; /* Dummy scrnedit buffer */
Curr.bmxch = 1;
Curr.bchars = 0;
Curr.bcurs = 0;
/* */
endlin = true; /* Force max speed + no cursor repos */
partno = 1; /* Required by SCRSET */
cdone = 0; /* Required by SCRSET */
refrsh(&Curr); /* Display the prompt only */
endlin = false;
}
