From 7591ae56aeeefc978363f92d208d5e1140090f96 Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Fri, 20 Sep 2002 13:25:40 +0000
Subject: [PATCH] Lock the file once per call and use the unlocked
 fgetwc()/fputwc() variants.

---
 lib/libc/stdio/fgetws.c | 20 ++++++++++++++------
 lib/libc/stdio/fputws.c |  9 ++++++---
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/lib/libc/stdio/fgetws.c b/lib/libc/stdio/fgetws.c
index d39b082ac51f..29ab4dc72366 100644
--- a/lib/libc/stdio/fgetws.c
+++ b/lib/libc/stdio/fgetws.c
@@ -41,20 +41,23 @@ fgetws(wchar_t * __restrict ws, int n, FILE * __restrict fp)
 	wchar_t *wsp;
 	wint_t wc;
 
-	ORIENTLOCK(fp, 1);
+	FLOCKFILE(fp);
+	ORIENT(fp, 1);
 
-	if (n <= 0)
-		return (NULL);
+	if (n <= 0) {
+		errno = EINVAL;
+		goto error;
+	}
 
 	wsp = ws;
 	while (n-- > 1) {
 		/* XXX Inefficient */
-		if ((wc = fgetwc(fp)) == WEOF && errno == EILSEQ)
-			return (NULL);
+		if ((wc = __fgetwc(fp)) == WEOF && errno == EILSEQ)
+			goto error;
 		if (wc == WEOF) {
 			if (wsp == ws)
 				/* EOF/error, no characters read yet. */
-				return (NULL);
+				goto error;
 			break;
 		}
 		*wsp++ = (wchar_t)wc;
@@ -62,6 +65,11 @@ fgetws(wchar_t * __restrict ws, int n, FILE * __restrict fp)
 			break;
 	}
 	*wsp++ = L'\0';
+	FUNLOCKFILE(fp);
 
 	return (ws);
+
+error:
+	FUNLOCKFILE(fp);
+	return (NULL);
 }
diff --git a/lib/libc/stdio/fputws.c b/lib/libc/stdio/fputws.c
index 254b4f9de191..467f0982745b 100644
--- a/lib/libc/stdio/fputws.c
+++ b/lib/libc/stdio/fputws.c
@@ -39,12 +39,15 @@ int
 fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
 {
 
-	ORIENTLOCK(fp, 1);
-
+	FLOCKFILE(fp);
+	ORIENT(fp, 1);
 	/* XXX Inefficient */
 	while (*ws != '\0')
-		if (fputwc(*ws++, fp) == WEOF)
+		if (__fputwc(*ws++, fp) == WEOF) {
+			FUNLOCKFILE(fp);
 			return (-1);
+		}
+	FUNLOCKFILE(fp);
 
 	return (0);
 }