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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-09-05 19:16:40 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-09-05 19:16:40 +0200 |
| commit | 9d858f5717cfc261d2ee80efff954acd7b1e5c00 (patch) | |
| tree | 39258fa1531360e9bcc65cdb49b25684e49e7783 | |
| parent | 94aaf4b5d3c649a281299aedba08ce1939780fb4 (diff) | |
| download | busybox-9d858f5717cfc261d2ee80efff954acd7b1e5c00.tar.gz | |
chat: do not die when HANGUP param is missing. Closes 10016
function old new delta
chat_main 1356 1379 +23
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | miscutils/chat.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/miscutils/chat.c b/miscutils/chat.c index 1446a040c..2dfe52c4f 100644 --- a/miscutils/chat.c +++ b/miscutils/chat.c @@ -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 |