- Fix wide character support (#196099, #186701)

1 files changed, 51 insertions, 0 deletions

diff --git a/wlite/wlite_wcscoll.c b/wlite/wlite_wcscoll.c
new file mode 100644
index 000000000..e1e18d28f
--- /dev/null
+++ b/wlite/wlite_wcscoll.c
@@ -0,0 +1,51 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2003  Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Original Author: Adrian Havill <havill@redhat.com>
+ *
+ * Contributors:
+ */
+
+#include "wlite_config.h"   // wchar_t, NULL, size_t
+
+#include "wlite_wchar.h"    // prototypes
+#include "wlite_wctype.h"
+#include "wlite_stdlib.h"
+
+int
+wlite_wcscoll(const wchar_t *s1, const wchar_t *s2) {
+    wchar_t src1[2] = { L'\0', L'\0' }, src2[2] = { L'\0', L'\0' };
+    int result;
+
+    do {
+        wchar_t dst1[2], dst2[2];
+        size_t n;
+
+        do {
+            src1[0] = *s1++;
+            n = wlite_wcsxfrm(dst1, src1, 2);
+        } while (n != 1 && src1[0] != L'\0');
+        do {
+            src2[0] = *s2++;
+            n = wlite_wcsxfrm(dst2, src2, 2);
+        } while (n != 1 && src2[0] != L'\0');
+        result = wlite_wcscmp(dst1, dst2);
+    } while (result == 0 && src1[0] != L'\0' && src2[0] != L'\0');
+    return result;
+}