+#define NSSM_ERROR_BUFSIZE 65535\r
+#define NSSM_NUM_EVENT_STRINGS 16\r
+unsigned long tls_index;\r
+\r
+/* Convert error code to error string - must call LocalFree() on return value */\r
+char *error_string(unsigned long error) {\r
+ /* Thread-safe buffer */\r
+ char *error_message = (char *) TlsGetValue(tls_index);\r
+ if (! error_message) {\r
+ error_message = (char *) LocalAlloc(LPTR, NSSM_ERROR_BUFSIZE);\r
+ if (! error_message) return "<out of memory for error message>";\r
+ TlsSetValue(tls_index, (void *) error_message);\r
+ }\r
+\r
+ if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *) error_message, NSSM_ERROR_BUFSIZE, 0)) {\r
+ if (_snprintf_s(error_message, NSSM_ERROR_BUFSIZE, _TRUNCATE, "system error %lu", error) < 0) return 0;\r
+ }\r
+ return error_message;\r
+}\r
+\r
+/* Convert message code to format string */\r
+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_s(ret, NSSM_ERROR_BUFSIZE, _TRUNCATE, "system error %lu", error) < 0) return 0;\r
+ }\r
+ return ret;\r
+}\r
+\r