- // Code based on
- // http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c
- CFBundleRef main_bundle = CFBundleGetMainBundle();
- CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle);
- char path[PATH_MAX];
- if(CFURLGetFileSystemRepresentation(resources_url, TRUE, (UInt8 *)path, PATH_MAX))
- {
- dstream<<"Bundle resource path: "<<path<<std::endl;
- //chdir(path);
- path_share = std::string(path) + "/share";
+#ifdef WIN32
+
+bool secure_rand_fill_buf(void *buf, size_t len)
+{
+ HCRYPTPROV wctx;
+
+ if (!CryptAcquireContext(&wctx, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
+ return false;
+
+ CryptGenRandom(wctx, len, (BYTE *)buf);
+ CryptReleaseContext(wctx, 0);
+ return true;
+}
+
+#else
+
+bool secure_rand_fill_buf(void *buf, size_t len)
+{
+ // N.B. This function checks *only* for /dev/urandom, because on most
+ // common OSes it is non-blocking, whereas /dev/random is blocking, and it
+ // is exceptionally uncommon for there to be a situation where /dev/random
+ // exists but /dev/urandom does not. This guesswork is necessary since
+ // random devices are not covered by any POSIX standard...
+ FILE *fp = fopen("/dev/urandom", "rb");
+ if (!fp)
+ return false;
+
+ bool success = fread(buf, len, 1, fp) == 1;
+
+ fclose(fp);
+ return success;
+}
+
+#endif
+
+void attachOrCreateConsole()
+{
+#ifdef _WIN32
+ static bool consoleAllocated = false;
+ const bool redirected = (_fileno(stdout) == -2 || _fileno(stdout) == -1); // If output is redirected to e.g a file
+ if (!consoleAllocated && redirected && (AttachConsole(ATTACH_PARENT_PROCESS) || AllocConsole())) {
+ freopen("CONOUT$", "w", stdout);
+ freopen("CONOUT$", "w", stderr);
+ consoleAllocated = true;