int
LWP_GetResponseKey(int seconds, char *key)
{
int rc;
if (key == NULL)
return 0; /* need space to store char */
fflush(stdin); /* flush all existing data and start anew */
rc = LWP_WaitForKeystroke(seconds);
if (rc == 0) { /* time ran out */
*key = 0;
return rc;
}
/* now read the char. */
#ifdef AFS_NT40_ENV
*key = getche(); /* get char and echo it to screen */
#else
*key = (char)getchar();
#endif
return rc;
}
int
LWP_GetLine(char *linebuf, int len)
{
int linelen;
char *s;
LWP_WaitForKeystroke(-1);
s = fgets(linebuf, len, stdin);
if (s == NULL)
return -1;
linelen = strlen(linebuf);
if (linebuf[linelen - 1] != '\n') /* buffer too small */
return 0;
else
return linelen;
}
int
LWP_GetLine(char *linebuf, int len)
{
int cnt = 0;
int ch = 0;
fflush(stdin);
/* loop until a new line has been entered */
while (ch != '\r' && cnt < len - 1) {
LWP_WaitForKeystroke(-1);
ch = getch();
if ((ch == EOF) && (cnt == 0))
return -1;
if (ch == '\b') { /* print and throw away a backspace */
if (!cnt) /* if we are at the start of the line don't bspace */
continue;
/* print a space to delete char and move cursor back */
printf("\b \b");
cnt--;
} else {
putchar(ch);
linebuf[cnt++] = ch;
}
}
if (ch == '\r') { /* got a cr. translate to nl */
linebuf[cnt - 1] = '\n';
linebuf[cnt] = '\0';
putchar('\n');
return cnt;
} else { /* buffer too small */
linebuf[cnt] = '\0';
return 0;
}
}
void
main(int ac, char **av)
{
int delay = 0;
int iters = 0;
int inter = 0;
int line = 0;
int i;
PROCESS dotpid;
int rc;
for (i = 1; i < ac; i++) {
if (!strcmp("-delay", av[i])) {
if (++i >= ac) {
printf("Missing delay time for -delay option.\n");
}
delay = atoi(av[i]);
if (delay < 0) {
printf("Delay must be at least 0 seconds.\n");
Usage();
}
} else if (!strcmp("-iters", av[i])) {
if (++i >= ac) {
printf("Missing iteration count for -iters option.\n");
}
iters = atoi(av[i]);
if (iters < 0) {
printf("Number of iterations must be at least 0.\n");
Usage();
}
} else if (!strcmp("-nobuf", av[i])) {
rc = setvbuf(stdin, NULL, _IONBF, 0);
if (rc < 0) {
perror("Setting -nobuf for stdin");
}
} else if (!strcmp("-inter", av[i])) {
inter = 1;
} else if (!strcmp("-line", av[i])) {
line = 1;
} else
Usage();
}
IOMGR_Initialize();
LWP_CreateProcess(DotWriter, 32000, LWP_NORMAL_PRIORITY, (char *)0,
"DotWriter", &dotpid);
if (inter) {
interTest();
exit(1);
}
if (line) {
lineTest();
exit(1);
}
if (delay == 0) {
delay = -1; /* Means wait indefinitely. */
}
for (; iters >= 0; iters--) {
waitingForAnswer = 1;
LWP_NoYieldSignal(&waitingForAnswer);
rc = LWP_WaitForKeystroke(delay);
waitingForAnswer = 0;
if (rc) {
printf("\n'%c'\n", getchar());
printf("Flushing remaining input.\n");
while (LWP_WaitForKeystroke(0)) {
printf("'%c'\n", getchar());
}
} else {
printf("\nNo data available on this iteration.\n");
}
}
}
