Fix bug in off_t overflow checking: if fp->_offset overflows, just remove

__SOFF flag (i.e. we don't have offset) instead of returning EOVERFLOW.
It allows again continious reading from non-stop stream.

1 files changed, 3 insertions, 5 deletions

diff --git a/lib/libc/stdio/refill.c b/lib/libc/stdio/refill.c
index 2d30e81..19d98f9 100644
--- a/lib/libc/stdio/refill.c
+++ b/lib/libc/stdio/refill.c
@@ -142,17 +142,15 @@ __srefill(FILE *fp)
 		if (fp->_r == 0)
 			fp->_flags |= __SEOF;
 		else {
-	err:
 			fp->_r = 0;
 			fp->_flags |= __SERR;
 			fp->_flags &= ~__SOFF;
 		}
 		return (EOF);
 	} else if (fp->_flags & __SOFF) {
-		if (fp->_offset > OFF_MAX - fp->_r) {
-			errno = EOVERFLOW;
-			goto err;
-		} else
+		if (fp->_offset > OFF_MAX - fp->_r)
+			fp->_flags &= ~__SOFF;
+		else
 			fp->_offset += fp->_r;
 	}
 	return (0);