X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/1f2f436a38f7ae2d39a943ad2898d8fed4ed2e58..refs/heads/master:/stdio/FreeBSD/rewind.c?ds=inline

diff --git a/stdio/FreeBSD/rewind.c b/stdio/FreeBSD/rewind.c
index b5204ed..33aea2f 100644
--- a/stdio/FreeBSD/rewind.c
+++ b/stdio/FreeBSD/rewind.c
@@ -49,13 +49,12 @@ rewind(FILE *fp)
 	int serrno = errno;
 
 	/* make sure stdio is set up */
-	if (!__sdidinit)
-		__sinit();
+	pthread_once(&__sdidinit, __sinit);
 
 	FLOCKFILE(fp);
 	if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0) {
-		clearerr_unlocked(fp);
 		errno = serrno;
 	}
+	clearerr_unlocked(fp);	/* POSIX: clear stdio error regardless */
 	FUNLOCKFILE(fp);
 }