9d858f571
Denys Vlasenko
2017-09-05
Subject
chat: do not die when HANGUP param is missing. Closes 10016
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miscutils/chat.c+9 -1
| @@ -238,10 +238,18 @@ int chat_main(int argc UNUSED_PARAM, char **argv) | |
| , *argv | |
| ); | |
| if (key >= 0) { | |
| + | bool onoff; |
| // cache directive value | |
| char *arg = *++argv; | |
| + | |
| + | if (!arg) { |
| + | #if ENABLE_FEATURE_CHAT_TTY_HIFI |
| + | tcsetattr(STDIN_FILENO, TCSAFLUSH, &tio0); |
| + | #endif |
| + | bb_show_usage(); |
| + | } |
| // OFF -> 0, anything else -> 1 | |
| - | bool onoff = (0 != strcmp("OFF", arg)); |
| + | onoff = (0 != strcmp("OFF", arg)); |
| // process directive | |
| if (DIR_HANGUP == key) { | |
| // turn SIGHUP on/off | |