From: Szabolcs Nagy <nsz@port70.net>
Date: Sat, 18 Nov 2017 16:51:48 +0000 (+0100)
Subject: fix fgetwc when decoding a character that crosses buffer boundary
X-Git-Tag: v1.1.19~45
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=72656157f54c47277b01ec85a6ba7c4084fea6c8;p=oweals%2Fmusl.git

fix fgetwc when decoding a character that crosses buffer boundary

Update the buffer position according to the bytes consumed into st when
decoding an incomplete character at the end of the buffer.
---

diff --git a/src/stdio/fgetwc.c b/src/stdio/fgetwc.c
index e455cfec..a00c1a86 100644
--- a/src/stdio/fgetwc.c
+++ b/src/stdio/fgetwc.c
@@ -22,6 +22,7 @@ static wint_t __fgetwc_unlocked_internal(FILE *f)
 			f->rpos++;
 			return WEOF;
 		}
+		f->rpos = f->rend;
 	} else l = -2;
 
 	/* Convert character byte-by-byte */