Add original dcc tools to repository

* makedsig has been integrated with makedstp, it should handle both LIB and TPL files
* other tools have not been modified

common/perfhlib.h

@@ -0,0 +1,37 @@
+#include <stdint.h>
+/** Perfect hashing function library. Contains functions to generate perfect
+    hashing functions */
+struct PatternCollector;
+struct PerfectHash {
+    uint16_t    *T1base;
+    uint16_t    *T2base;   /* Pointers to start of T1, T2 */
+    short   *g;         /* g[] */
+
+    int     NumEntry;   /* Number of entries in the hash table (# keys) */
+    int     EntryLen;   /* Size (bytes) of each entry (size of keys) */
+    int     SetSize;    /* Size of the char set */
+    char    SetMin;     /* First char in the set */
+    int     NumVert;    /* c times NumEntry */
+    /** Set the parameters for the hash table */
+    void setHashParams(int _numEntry, int _entryLen, int _setSize, char _setMin, int _numVert);
+
+public:
+    void map(PatternCollector * collector); /* Part 1 of creating the tables */
+    void hashCleanup(); /* Frees memory allocated by setHashParams() */
+    void assign(); /* Part 2 of creating the tables */
+    int hash(uint8_t *string); /* Hash the string to an int 0 .. NUMENTRY-1 */
+    const uint16_t *readT1(void) const { return T1base; }
+    const uint16_t *readT2(void) const { return T2base; }
+    const uint16_t *readG(void) const  { return (uint16_t *)g; }
+    uint16_t *readT1(void){ return T1base; }
+    uint16_t *readT2(void){ return T2base; }
+    uint16_t *readG(void) { return (uint16_t *)g; }
+private:
+    void initGraph();
+    void addToGraph(int e, int v1, int v2);
+    bool isCycle();
+    bool DFS(int parentE, int v);
+    void traverse(int u);
+    PatternCollector *m_collector; /* used to retrieve the keys */
+
+};