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apps/system/cu/cu_main.c: (1) Fix early exit. getc(stdin) can return 0 the first time around. (2) Set optind to zero. getopt() was being left in a bad state, causing parsing errors on second use. (3) Fix priority of cu_listen(). (4) Add suppor for -h.

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This commit is contained in:
David Alessio 2019-11-05 07:07:02 -06:00 committed by Gregory Nutt
parent de9101a1d9
commit 91276ba94e
1 changed files with 10 additions and 4 deletions
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14
system/cu/cu_main.c
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@ -100,7 +100,7 @@ static struct cu_globals_s g_cu;
static FAR void *cu_listener(FAR void *parameter)
{
for (;;)
for (; ; )
{
int rc;
char ch;
@ -290,7 +290,8 @@ int main(int argc, FAR char *argv[])
sa.sa_handler = sigint;
sigaction(SIGKILL, &sa, NULL);
while ((option = getopt(argc, argv, "l:s:eor?")) != ERROR)
optind = 0; /* global that needs to be reset in FLAT mode */
while ((option = getopt(argc, argv, "l:s:ehor?")) != ERROR)
{
switch (option)
{
@ -314,6 +315,7 @@ int main(int argc, FAR char *argv[])
rtscts = 0;
break;
case 'h':
case '?':
print_help();
return EXIT_SUCCESS;
@ -357,6 +359,10 @@ int main(int argc, FAR char *argv[])
goto errout_with_fds;
}
/* Set priority of listener to configured value */
attr.priority = CONFIG_SYSTEM_CUTERM_PRIORITY;
ret = pthread_create(&g_cu.listener, &attr,
cu_listener, (pthread_addr_t)0);
if (ret != 0)
@ -367,13 +373,13 @@ int main(int argc, FAR char *argv[])
/* Send messages and get responses -- forever */
for (;;)
for (; ; )
{
int ch = getc(stdin);
if (ch <= 0)
{
break;
continue;
}
if (start_of_line == 1 && ch == '~')