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

1 files changed, 59 insertions, 0 deletions

diff --git a/wlite/wlite_mbsrtowcs.c b/wlite/wlite_mbsrtowcs.c
new file mode 100644
index 000000000..8fe34eed2
--- /dev/null
+++ b/wlite/wlite_mbsrtowcs.c
@@ -0,0 +1,59 @@
+/*
+ * $Id$
+ *
+ * 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"
+
+size_t
+wlite_mbsrtowcs(wchar_t *dst, const char **src, size_t n, wlite_mbstate_t *ps) {
+    static wlite_mbstate_t internal = { 0 };
+    size_t stored = 0;
+
+    if (ps == NULL) {
+        ps = &internal;
+    }
+    while (n != 0) {
+        size_t length;
+
+#if WLITE_GENERATE_SURROGATES || !WLITE_XBMP_CHAR
+        if (n > 1) {
+            ps->flags_ |= WLITE_MBSTATE_SURROGATE_;
+        }
+        else ps->flags_ &= ~WLITE_MBSTATE_SURROGATE_;
+#endif
+        length = wlite_mbrtowc(dst, *src, n, ps);
+        dst += (size_t) ps->wcout_;
+        n -= (size_t) ps->wcout_;
+        if (length == (size_t) -1 || length == (size_t) -2) return (size_t) -1;
+        else if (length == 0) break;
+        else {
+            stored += length;
+            *src += length;
+        }
+    }
+    return stored;
+}