#include "config.h"
#include "UUID.h"
#include "NotImplemented.h"
#if PLATFORM(QT)
#include <QUuid>
#endif
#if OS(WINDOWS)
#include <objbase.h>
#ifndef ARRAYSIZE
#define ARRAYSIZE(a) (sizeof(a) / sizeof((a)[0]))
#endif
#elif OS(DARWIN)
#include <CoreFoundation/CoreFoundation.h>
#elif OS(LINUX)
#include <stdio.h>
#endif
namespace WebCore {
static const char uuidVersionRequired = '4';
static const int uuidVersionIdentifierIndex = 14;
String createCanonicalUUIDString()
{
#if PLATFORM(QT)
QUuid uuid = QUuid::createUuid();
String canonicalUuidStr = uuid.toString().mid(1, 36).toLower(); ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#elif OS(WINDOWS)
GUID uuid = { 0 };
HRESULT hr = CoCreateGuid(&uuid);
if (FAILED(hr))
return String();
wchar_t uuidStr[40];
int num = StringFromGUID2(uuid, reinterpret_cast<LPOLESTR>(uuidStr), ARRAYSIZE(uuidStr));
ASSERT(num == 39);
String canonicalUuidStr = String(uuidStr + 1, num - 3).lower(); ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#elif OS(DARWIN)
CFUUIDRef uuid = CFUUIDCreate(0);
CFStringRef uuidStrRef = CFUUIDCreateString(0, uuid);
String uuidStr(uuidStrRef);
CFRelease(uuidStrRef);
CFRelease(uuid);
String canonicalUuidStr = uuidStr.lower(); ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#elif OS(LINUX)
FILE* fptr = fopen("/proc/sys/kernel/random/uuid", "r");
if (!fptr)
return String();
char uuidStr[37] = {0};
if (!fgets(uuidStr, sizeof(uuidStr) - 1, fptr))
return String();
fclose(fptr);
String canonicalUuidStr = String(uuidStr).lower(); ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#else
notImplemented();
return String();
#endif
}
}