sfwrite: remove unnecessary casts

diff --git a/lib/sfio/sfwrite.c b/lib/sfio/sfwrite.c
index 3c3fe925e9bb39e5676c32ff62165828be45afe0..3749193c4d60635d8ca7c899fb84c3c2ca06d4ff 100644 (file)
--- a/lib/sfio/sfwrite.c
+++ b/lib/sfio/sfwrite.c
@@ -38,8 +38,7 @@ ssize_t sfwrite(Sfio_t * f, const void * buf, size_t n)
        if (!(f->mode & SF_WRITE) && (f->flags & SF_RDWR) != SF_RDWR)
            SFMTXRETURN(f, (ssize_t) (-1));
 
-       if ((const uchar *) buf != f->next &&
-           (!f->rsrv || f->rsrv->data != (const uchar *) buf))
+       if (buf != f->next && (!f->rsrv || f->rsrv->data != buf))
            SFMTXRETURN(f, (ssize_t) (-1));
 
        f->mode &= ~SF_PEEK;