* win32/win32.c (isUNCRoot): multibyte character support.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

win32/win32.c

@@ -2668,13 +2668,16 @@ isUNCRoot(const char *path)
 {
     if (path[0] == '\\' && path[1] == '\\') {
 	const char *p;
-	if (p = strchr(path + 3, '\\')) {
-	    if (!p[1])
-		return 0;
-	    if (p = strchr(p + 1, '\\')) {
-		if (!p[1])
-		    return 1;
-	    } else
+	for (p = path + 3; *p; p = CharNext(p)) {
+	    if (*p == '\\')
+		break;
+	}
+	if (p[0] && p[1]) {
+	    for (p++; *p; p = CharNext(p)) {
+		if (*p == '\\')
+		    break;
+	    }
+	    if (!p[0] || !p[1])
 		return 1;
 	}
     }