lineedit: fix another corner case with bad unicode input
function old new delta
read_key 607 646 +39
readit 50 55 +5
getch_nowait 290 295 +5
hash_find 233 234 +1
xstrtoul_range_sfx 231 230 -1
passwd_main 1058 1056 -2
builtin_exit 45 43 -2
cmp_main 649 645 -4
lineedit_read_key 257 245 -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/5 up/down: 50/-21) Total: 29 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/libbb.h b/include/libbb.h
index fccc816..044d090 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1275,8 +1275,12 @@
* Return of -1 means EOF or error (errno == 0 on EOF).
* buffer[0] is used as a counter of buffered chars and must be 0
* on first call.
+ * timeout:
+ * -2: do not poll for input;
+ * -1: poll(-1) (i.e. block);
+ * >=0: poll for TIMEOUT milliseconds, return -1/EAGAIN on timeout
*/
-int64_t read_key(int fd, char *buffer) FAST_FUNC;
+int64_t read_key(int fd, char *buffer, int timeout) FAST_FUNC;
void read_key_ungets(char *buffer, const char *str, unsigned len) FAST_FUNC;