From fb51f74ff61d23dd6067e82833aac0ca62312261 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 21 Sep 2023 19:23:56 -0700
Subject: [PATCH] wc: avoid undefined conversion state
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* src/wc.c (wc): When mbrtowc returns (size_t) -1, zero the
conversion state, since POSIX says it’s undefined.
---
 src/wc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/wc.c b/src/wc.c
index 1753acfc16..fdbeed7393 100644
--- a/src/wc.c
+++ b/src/wc.c
@@ -519,6 +519,8 @@ wc (int fd, char const *file_x, struct fstatus *fstatus, off_t current_pos)
                          character (that is, chars is not incremented).  */
                       p++;
                       bytes_read--;
+                      mbszero (&state);
+                      in_shift = false;
                       continue;
                     }
                   if (mbsinit (&state))
-- 
2.47.2