guid.cpp

+#include "guid.h"
+#include <cstdio>
+
+#ifdef _WINDOWS
+#include <objbase.h>
+
+void XCreateGUID(XGUID *pOut)
+{
+	GUID newId;
+	CoCreateGuid(&newId);
+
+	memcpy(pOut, &newId, sizeof(XGUID));
+}
+
+#define snprintf _snprintf
+
+#elif defined(_LINUX)
+#include <uuid/uuid.h>
+
+void XCreateGUID(XGUID *pOut)
+{
+	uuid_generate((unsigned char*)pOut);
+}
+
+#elif defined(_MAC)
+#include <CoreFoundation/CFUUID.h>
+
+void XCreateGUID(XGUID *pOut)
+{
+	auto newId = CFUUIDCreate(NULL);
+	auto bytes = CFUUIDGetUUIDBytes(newId);
+	CFRelease(newId);
+
+	memcpy(pOut, &bytes, sizeof(XGUID));
+}
+#else
+#error Unknown platform!
+#endif
+
+void XGUIDToSting(const XGUID &guid, char *dst, int nBufSize)
+{
+	// {34D5ED67-D3D1-4ACE-9CE7-AAB5C4F9E2FD}
+	snprintf(dst, nBufSize, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", guid.Data1, guid.Data2, guid.Data3,
+		guid.Data40, guid.Data41, guid.Data42, guid.Data43, guid.Data44, guid.Data45, guid.Data46, guid.Data47);
+}
+
+bool XGUIDFromString(XGUID *pGUID, const char *szGUID)
+{
+	return(11 == sscanf(szGUID, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", &pGUID->Data1, &pGUID->Data2, &pGUID->Data3,
+		&pGUID->Data40, &pGUID->Data41, &pGUID->Data42, &pGUID->Data43, &pGUID->Data44, &pGUID->Data45, &pGUID->Data46, &pGUID->Data47));
+}

guid.h

+#ifndef __COMMON_GUID_H
+#define __COMMON_GUID_H
+
+#include <memory.h>
+
+typedef struct _XGUID
+{
+	_XGUID()
+	{
+	}
+	_XGUID(unsigned long l, unsigned short w1, unsigned short w2,
+		unsigned char b1, unsigned char b2, unsigned char b3, unsigned char b4,
+		unsigned char b5, unsigned char b6, unsigned char b7, unsigned char b8):
+		Data1(l), Data2(w1), Data3(w2), Data40(b1), Data41(b2), Data42(b3), Data43(b4), Data44(b5),
+		Data45(b6), Data46(b7), Data47(b8)
+	{
+	}
+	unsigned long  Data1 = 0;
+	unsigned short Data2 = 0;
+	unsigned short Data3 = 0;
+	unsigned char  Data40 = 0;
+	unsigned char  Data41 = 0;
+	unsigned char  Data42 = 0;
+	unsigned char  Data43 = 0;
+	unsigned char  Data44 = 0;
+	unsigned char  Data45 = 0;
+	unsigned char  Data46 = 0;
+	unsigned char  Data47 = 0;
+} XGUID;
+
+#define DEFINE_XGUID(l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
+    XGUID(l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)
+
+
+inline bool operator<(const XGUID &a, const XGUID &b)
+{
+	return(memcmp(&a, &b, sizeof(XGUID)) < 0);
+}
+
+inline bool operator==(const XGUID &a, const XGUID &b)
+{
+	return(memcmp(&a, &b, sizeof(XGUID)) == 0);
+}
+
+void XCreateGUID(XGUID *pOut);
+
+void XGUIDToSting(const XGUID &guid, char *dst, int nBufSize);
+bool XGUIDFromString(XGUID *pGUID, const char *szGUID);
+
+#endif

types.h

@@ -19,6 +19,7 @@ See the license in LICENSE
 #include <mutex>
 #include <atomic>
 #include "spinlock.h"
+#include "guid.h"
 
 #include "enum_flags.h"
 
@@ -149,45 +150,6 @@ inline const char* strcasestr(const char *haystack, const char *needle)
 #	error "unsupported compiler"
 #endif
 
-typedef struct _XGUID
-{
-	_XGUID()
-	{
-	}
-	_XGUID(unsigned long l, unsigned short w1, unsigned short w2,
-		unsigned char b1, unsigned char b2, unsigned char b3, unsigned char b4,
-		unsigned char b5, unsigned char b6, unsigned char b7, unsigned char b8):
-		Data1(l), Data2(w1), Data3(w2), Data40(b1), Data41(b2), Data43(b3), Data44(b4),
-		Data45(b5), Data46(b6), Data47(b7)
-	{
-	}
-	unsigned long  Data1 = 0;
-	unsigned short Data2 = 0;
-	unsigned short Data3 = 0;
-	unsigned char  Data40 = 0;
-	unsigned char  Data41 = 0;
-	unsigned char  Data42 = 0;
-	unsigned char  Data43 = 0;
-	unsigned char  Data44 = 0;
-	unsigned char  Data45 = 0;
-	unsigned char  Data46 = 0;
-	unsigned char  Data47 = 0;
-} XGUID;
-
-#define DEFINE_XGUID(l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
-    XGUID(l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)
-
-
-inline bool operator<(const XGUID &a, const XGUID &b)
-{
-	return(memcmp(&a, &b, sizeof(XGUID)) < 0);
-}
-
-inline bool operator==(const XGUID &a, const XGUID &b)
-{
-	return(memcmp(&a, &b, sizeof(XGUID)) == 0);
-}
-
 class IXUnknown
 {
 public: