1 files changed, 56 insertions, 0 deletions
diff --git a/src/sed/sed/mbcs.c b/src/sed/sed/mbcs.c
new file mode 100644
index 0000000..3756547
--- /dev/null
+++ b/src/sed/sed/mbcs.c
@@ -0,0 +1,56 @@
+/*  GNU SED, a batch stream editor.
+    Copyright (C) 2003 Free Software Foundation, Inc.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2, or (at your option)
+    any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include "sed.h"
+#include <stdlib.h>
+
+int mb_cur_max;
+
+#ifdef HAVE_MBRTOWC
+/* Add a byte to the multibyte character represented by the state
+   CUR_STAT, and answer its length if a character is completed,
+   or -2 if it is yet to be completed.  */
+int brlen (ch, cur_stat)
+     int ch;
+     mbstate_t *cur_stat;
+{
+  char c = ch;
+
+  /* If we use the generic brlen, then MBRLEN == mbrlen.  */
+  int result = mbrtowc(NULL, &c, 1, cur_stat);
+
+  /* An invalid sequence is treated like a singlebyte character. */
+  if (result == -1)
+    {
+      memset (cur_stat, 0, sizeof (mbstate_t));
+      return 1;
+    }
+
+  return result;
+}
+#endif
+
+void
+initialize_mbcs ()
+{
+#ifdef HAVE_MBRTOWC
+  mb_cur_max = MB_CUR_MAX;
+#else
+  mb_cur_max = 1;
+#endif
+}
+