-char *message_string(unsigned long error) {\r
- char *ret;\r
- if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR) &ret, NSSM_ERROR_BUFSIZE, 0)) {\r
- ret = (char *) HeapAlloc(GetProcessHeap(), 0, 32);\r
- if (_snprintf(ret, NSSM_ERROR_BUFSIZE, "system error %lu", error) < 0) return 0;\r
+TCHAR *message_string(unsigned long error) {\r
+ TCHAR *ret;\r
+ if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &ret, NSSM_ERROR_BUFSIZE, 0)) {\r
+ ret = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, 32 * sizeof(TCHAR));\r
+ if (_sntprintf_s(ret, NSSM_ERROR_BUFSIZE, _TRUNCATE, _T("system error %lu"), error) < 0) return 0;\r