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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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10
system/cu/cu_main.c
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@ -290,7 +290,8 @@ int main(int argc, FAR char *argv[])
sa.sa_handler = sigint; sa.sa_handler = sigint;
sigaction(SIGKILL, &sa, NULL); 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) switch (option)
{ {
@ -314,6 +315,7 @@ int main(int argc, FAR char *argv[])
rtscts = 0; rtscts = 0;
break; break;
case 'h':
case '?': case '?':
print_help(); print_help();
return EXIT_SUCCESS; return EXIT_SUCCESS;
@ -357,6 +359,10 @@ int main(int argc, FAR char *argv[])
goto errout_with_fds; goto errout_with_fds;
} }
/* Set priority of listener to configured value */
attr.priority = CONFIG_SYSTEM_CUTERM_PRIORITY;
ret = pthread_create(&g_cu.listener, &attr, ret = pthread_create(&g_cu.listener, &attr,
cu_listener, (pthread_addr_t)0); cu_listener, (pthread_addr_t)0);
if (ret != 0) if (ret != 0)
@ -373,7 +379,7 @@ int main(int argc, FAR char *argv[])
if (ch <= 0) if (ch <= 0)
{ {
break; continue;
} }
if (start_of_line == 1 && ch == '~') if (start_of_line == 1 && ch == '~')