1 files changed, 75 insertions, 0 deletions
diff --git a/indra/llmessage/message_string_table.cpp b/indra/llmessage/message_string_table.cpp
new file mode 100644
index 0000000000..687b47a112
--- /dev/null
+++ b/indra/llmessage/message_string_table.cpp
@@ -0,0 +1,75 @@
+/** 
+ * @file message_string_table.cpp
+ * @brief static string table for message template
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#include "linden_common.h"
+
+#include "llerror.h"
+#include "message.h"
+
+inline U32	message_hash_my_string(const char *str)
+{
+	U32 retval = 0;
+	while (*str++)
+	{
+		retval += *str;
+		retval <<= 1;
+	}
+	return (retval % MESSAGE_NUMBER_OF_HASH_BUCKETS);
+}
+
+
+LLMessageStringTable gMessageStringTable;
+
+
+LLMessageStringTable::LLMessageStringTable()
+:	mUsed(0)
+{
+	for (U32 i = 0; i < MESSAGE_NUMBER_OF_HASH_BUCKETS; i++)
+	{
+		mEmpty[i] = TRUE;
+		mString[i][0] = 0;
+	}
+}
+
+
+LLMessageStringTable::~LLMessageStringTable()
+{ }
+
+
+char* LLMessageStringTable::getString(const char *str)
+{
+	U32 hash_value = message_hash_my_string(str);
+	while (!mEmpty[hash_value])
+	{
+		if (!strncmp(str, mString[hash_value], MESSAGE_MAX_STRINGS_LENGTH))
+		{
+			return mString[hash_value];
+		}
+		else
+		{
+			hash_value++;
+			hash_value %= MESSAGE_NUMBER_OF_HASH_BUCKETS;
+		}
+	}
+	// not found, so add!
+	strncpy(mString[hash_value], str, MESSAGE_MAX_STRINGS_LENGTH);
+	mString[hash_value][MESSAGE_MAX_STRINGS_LENGTH - 1] = 0;
+	mEmpty[hash_value] = FALSE;
+	mUsed++;
+	if (mUsed >= MESSAGE_NUMBER_OF_HASH_BUCKETS - 1)
+	{
+		U32 i;
+		llinfos << "Dumping string table before crashing on HashTable full!" << llendl;
+		for (i = 0; i < MESSAGE_NUMBER_OF_HASH_BUCKETS; i++)
+		{
+			llinfos << "Entry #" << i << ": " << mString[i] << llendl;
+		}
+	}
+	return mString[hash_value];
+}
+