X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/0db97c0d2f4568c2b5b5f5f9b791b8025b4732aa..985bb670b4e07d35cb1580780253ded2524a342e:/lib/unicode.c

diff --git a/lib/unicode.c b/lib/unicode.c
index 40b9854..55390eb 100644
--- a/lib/unicode.c
+++ b/lib/unicode.c
@@ -1,21 +1,19 @@
 /*
  * This file is part of DisOrder
- * Copyright (C) 2007 Richard Kettlewell
+ * Copyright (C) 2007, 2009 Richard Kettlewell
  *
- * This program is free software; you can redistribute it and/or modify
+ * 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 of the License, or
+ * the Free Software Foundation, either version 3 of the License, 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.
- *
+ * 
+ * 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file lib/unicode.c
  * @brief Unicode support functions
@@ -39,11 +37,7 @@
  * - @ref utf8
  */
 
-#include <config.h>
-#include "types.h"
-
-#include <string.h>
-#include <stdio.h>		/* TODO */
+#include "common.h"
 
 #include "mem.h"
 #include "vector.h"
@@ -109,6 +103,16 @@ static inline int utf32__combining_class(uint32_t c) {
   return utf32__unidata(c)->ccc;
 }
 
+/** @brief Return the combining class of @p c
+ * @param c Code point
+ * @return Combining class of @p c
+ *
+ * @p c can be any 32-bit value, a sensible value will be returned regardless.
+ */
+int utf32_combining_class(uint32_t c) {
+  return utf32__combining_class(c);
+}
+
 /** @brief Return the General_Category value for @p c
  * @param c Code point
  * @return General_Category property value
@@ -1354,8 +1358,10 @@ uint32_t **utf32_word_split(const uint32_t *s, size_t ns, size_t *nwp,
       }
       /* If it's a word add it to the list of results */
       if(isword) {
-        w = xcalloc(b2 - b1 + 1, sizeof(uint32_t));
-        memcpy(w, it->s + b1, (b2 - b1) * sizeof (uint32_t));
+        const size_t len = b2 - b1;
+        w = xcalloc_noptr(len + 1, sizeof(uint32_t));
+        memcpy(w, it->s + b1, len * sizeof (uint32_t));
+        w[len] = 0;
         vector32_append(v32, w);
       }
     }