musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/stdio/setvbuf.c b/src/stdio/setvbuf.c
index b6b9b018..06ea296c 100644
--- a/src/stdio/setvbuf.c
+++ b/src/stdio/setvbuf.c

@@ -14,7 +14,7 @@ int setvbuf(FILE *restrict f, char *restrict buf, int type, size_t size)

f->buf_size = 0;

} else {

if (buf && size >= UNGET) {

- f->buf = (void *)buf;

+ f->buf = (void *)(buf + UNGET);

f->buf_size = size - UNGET;

}

if (type == _IOLBF && f->buf_size)