ipmatcher rule_id -> long long & scanner engine centralization

scanner/ip_matcher/IntervalIndex/sigmastar_tools.cpp

@@ -0,0 +1,72 @@
+#include "sigmastar_tools.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+void * aligned_malloc(size_t size, size_t align)
+{
+	void * malloc_ptr;
+	void * aligned_ptr;
+
+	/* Error if align is not a power of two.  */
+	if (align & (align - 1))
+	{
+		return ((void*) 0);
+	}
+
+	if (align==0 || size == 0)
+	{
+		return ((void *) 0);
+	}
+
+	malloc_ptr = malloc (sizeof(void *) + align - 1 + size);
+	if (!malloc_ptr)
+	{
+		return ((void *) 0);
+	}
+
+	aligned_ptr = (void *) (((size_t)malloc_ptr + sizeof(void *) + align-1) & ~(align-1));
+  
+	((void **) aligned_ptr) [-1] = malloc_ptr;
+
+	return aligned_ptr;
+}
+
+void aligned_free(void * aligned_ptr)
+{
+	if (aligned_ptr)
+	{
+		free (((void **) aligned_ptr) [-1]);
+	}
+}
+
+unsigned char popcnt_u16[65536];
+unsigned char popcnt_u32(unsigned int x)
+{
+	char c=0;
+	while(x)
+	{
+		if(x&1) c++;
+		x>>=1;
+	}
+	return c;
+}
+
+#ifndef USE_SSE_INSTR
+int popcnt_u64(unsigned long long x)
+{
+	return  popcnt_u16[x&0xFFFF]
+	       +popcnt_u16[(x>>16)&0xFFFF]
+		   +popcnt_u16[(x>>32)&0xFFFF]
+		   +popcnt_u16[(x>>48)&0xFFFF];
+}
+#endif
+
+int initialize_sigmastar_tools()
+{
+	for(unsigned int i=0; i<65536; i++)
+	{
+		popcnt_u16[i]=popcnt_u32(i);
+	}
+	return 1;
+}
+