1 files changed, 55 insertions, 0 deletions
diff --git a/unicode/unicode_htmlent.c b/unicode/unicode_htmlent.c
new file mode 100644
index 0000000..549d069
--- /dev/null
+++ b/unicode/unicode_htmlent.c
@@ -0,0 +1,55 @@
+/*
+** Copyright 2011 Double Precision, Inc.
+** See COPYING for distribution information.
+**
+*/
+
+#include	"unicode_config.h"
+#include	"unicode.h"
+
+#include <stdlib.h>
+
+struct i {
+	size_t n_start;
+	size_t n_size;
+	unicode_char v;
+};
+
+#include "unicode_htmlent.h"
+
+
+static int compar(const void *key, const void *obj)
+{
+	size_t j;
+	const char *p=n + ((const struct i *)obj)->n_start;
+	const char *ckey=(const char *)key;
+
+	for (j=0; j<((const struct i *)obj)->n_size; ++j)
+	{
+		if (*ckey < *p)
+			return -1;
+
+		if (*ckey > *p)
+			return 1;
+
+		++p;
+		++ckey;
+	}
+
+	if (*ckey)
+		return 1;
+
+	return 0;
+}
+
+unicode_char unicode_html40ent_lookup(const char *n)
+{
+	const struct i *ptr=
+		(const struct i *)bsearch(n, ii,
+					  sizeof(ii)/sizeof(ii[0]),
+					  sizeof(ii[0]), compar);
+
+	if (ptr)
+		return ptr->v;
+	return 0;
+}