1 files changed, 51 insertions, 0 deletions

diff --git a/src/old/hashfunctionstring.cpp b/src/old/hashfunctionstring.cpp
new file mode 100644
index 0000000..bd14643
--- /dev/null
+++ b/src/old/hashfunctionstring.cpp
@@ -0,0 +1,51 @@
+#include "hashfunctionstring.h"
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
+HashFunctionString::HashFunctionString()
+{
+}
+
+HashFunctionString::~HashFunctionString()
+{
+}
+
+unsigned long int HashFunctionString::hash( const void *id )
+{
+        if (id == NULL)
+        {
+                return 0;
+        }
+        
+        unsigned long int nPos = 0;
+        for( const char *s = (const char *)id; *s; s++ )
+        {
+                nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
+        }
+        return nPos;
+}
+
+bool HashFunctionString::cmpIDs( const void *id1, const void *id2 )
+{
+        if (id1 == NULL || id2 == NULL)
+        {
+                return false;
+        }
+        if (id1 == id2)
+        {
+                return true;
+        }
+        
+        const char *str1 = (const char *)id1;
+        const char *str2 = (const char *)id2;
+
+        int j;
+        for( j = 0; str1[j] != '\0' && str2[j] != '\0'; j++ )
+        {
+                if( str1[j] != str2[j] )
+                        return false;
+        }
+        return (str1[j]==str2[j]);
+}
+