From 4c02aebe2fc3445fcfb8b13e0c06dd45e545cf5b Mon Sep 17 00:00:00 2001
From: "Andrey A. Chernov" <ache@FreeBSD.org>
Date: Sat, 8 Oct 1994 17:42:45 +0000
Subject: [PATCH] Sync with ctype.h (EOF, sign extention fixes)

---
 lib/libc/locale/nomacros.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/lib/libc/locale/nomacros.c b/lib/libc/locale/nomacros.c
index 32ee40459590..90d1fe9cd995 100644
--- a/lib/libc/locale/nomacros.c
+++ b/lib/libc/locale/nomacros.c
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <ctype.h>
 #include <rune.h>
 
@@ -10,6 +11,10 @@ __istype(c, f)
 	_BSD_RUNE_T_ c;
 	unsigned long f;
 {
+	if (c == EOF)
+		return 0;
+	if (c < 0)
+		c = (unsigned char) c;
 	return ((((c & _CRMASK) ? ___runetype(c)
            : _CurrentRuneLocale->runetype[c]) & f) ? 1 : 0);
 }
@@ -19,6 +24,10 @@ __isctype(_BSD_RUNE_T_ c, unsigned long f)
 	_BSD_RUNE_T_ c;
 	unsigned long f;
 {
+	if (c == EOF)
+		return 0;
+	if (c < 0)
+		c = (unsigned char) c;
 	return ((((c & _CRMASK) ? 0
            : _DefaultRuneLocale.runetype[c]) & f) ? 1 : 0);
 }
@@ -27,6 +36,10 @@ _BSD_RUNE_T_
 toupper(c)
 	_BSD_RUNE_T_ c;
 {
+	if (c == EOF)
+		return EOF;
+	if (c < 0)
+		c = (unsigned char) c;
 	return ((c & _CRMASK) ?
 	    ___toupper(c) : _CurrentRuneLocale->mapupper[c]);
 }
@@ -35,6 +48,10 @@ _BSD_RUNE_T_
 tolower(c)
 	_BSD_RUNE_T_ c;
 {
+	if (c == EOF)
+		return EOF;
+	if (c < 0)
+		c = (unsigned char) c;
 	return ((c & _CRMASK) ?
 	    ___tolower(c) : _CurrentRuneLocale->maplower[c]);
 }