Try to build PDB files even for releases.

[nssm.git] / event.cpp

diff --git a/event.cpp b/event.cpp
index 2a9bbf2..b44482c 100644 (file)
--- a/event.cpp
+++ b/event.cpp
@@ -1,41 +1,111 @@
 #include "nssm.h"\r
 \r
+#define NSSM_SOURCE _T("nssm")\r
+#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
-  static char message[65535];\r
-  if (! FormatMessage(FORMAT_MESSAGE_FROM_HMODULE, 0, NSSM_MESSAGE_DEFAULT, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), message, sizeof(message), 0)) return 0;\r
-  return message;\r
+TCHAR *error_string(unsigned long error) {\r
+  /* Thread-safe buffer */\r
+  TCHAR *error_message = (TCHAR *) TlsGetValue(tls_index);\r
+  if (! error_message) {\r
+    error_message = (TCHAR *) LocalAlloc(LPTR, NSSM_ERROR_BUFSIZE);\r
+    if (! error_message) return _T("<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, GetUserDefaultLangID(), (TCHAR *) error_message, NSSM_ERROR_BUFSIZE, 0)) {\r
+    if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, 0, (TCHAR *) error_message, NSSM_ERROR_BUFSIZE, 0)) {\r
+      if (_sntprintf_s(error_message, NSSM_ERROR_BUFSIZE, _TRUNCATE, _T("system error %lu"), error) < 0) return 0;\r
+    }\r
+  }\r
+  return error_message;\r
+}\r
+\r
+/* Convert message code to format string */\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, GetUserDefaultLangID(), (LPTSTR) &ret, NSSM_ERROR_BUFSIZE, 0)) {\r
+    if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, 0, (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
+    }\r
+  }\r
+  return ret;\r
 }\r
 \r
 /* Log a message to the Event Log */\r
-void eventprintf(unsigned short type, unsigned long id, char *format, ...) {\r
-  char message[4096];\r
-  char *strings[2];\r
-  int n, size;\r
+void log_event(unsigned short type, unsigned long id, ...) {\r
   va_list arg;\r
+  int count;\r
+  TCHAR *s;\r
+  TCHAR *strings[NSSM_NUM_EVENT_STRINGS];\r
 \r
-  /* Construct the message */\r
-  size = sizeof(message);\r
-  va_start(arg, format);\r
-  n = _vsnprintf(message, size, format, arg);\r
-  va_end(arg);\r
-\r
-  /* Check success */\r
-  if (n < 0 || n >= size) return;\r
-\r
-  /* Construct strings array */\r
-  strings[0] = message;\r
-  strings[1] = 0;\r
-    \r
   /* Open event log */\r
-  HANDLE handle = RegisterEventSource(0, TEXT(NSSM));\r
+  HANDLE handle = RegisterEventSource(0, NSSM_SOURCE);\r
   if (! handle) return;\r
 \r
   /* Log it */\r
-  if (! ReportEvent(handle, type, 0, id, 0, 1, 0, (const char **) strings, 0)) {\r
-    printf("ReportEvent(): %s\n", error_string(GetLastError()));\r
-  }\r
+  count = 0;\r
+  va_start(arg, id);\r
+  while ((s = va_arg(arg, TCHAR *)) && count < NSSM_NUM_EVENT_STRINGS - 1) strings[count++] = s;\r
+  strings[count] = 0;\r
+  va_end(arg);\r
+  ReportEvent(handle, type, 0, id, 0, count, 0, (const TCHAR **) strings, 0);\r
 \r
   /* Close event log */\r
   DeregisterEventSource(handle);\r
 }\r
+\r
+/* Log a message to the console */\r
+void print_message(FILE *file, unsigned long id, ...) {\r
+  va_list arg;\r
+\r
+  TCHAR *format = message_string(id);\r
+  if (! format) return;\r
+\r
+  va_start(arg, id);\r
+  _vftprintf(file, format, arg);\r
+  va_end(arg);\r
+\r
+  LocalFree(format);\r
+}\r
+\r
+/* Show a GUI dialogue */\r
+int popup_message(HWND owner, unsigned int type, unsigned long id, ...) {\r
+  va_list arg;\r
+\r
+  TCHAR *format = message_string(id);\r
+  if (! format) {\r
+    return MessageBox(0, _T("The message which was supposed to go here is missing!"), NSSM, MB_OK | MB_ICONEXCLAMATION);\r
+  }\r
+\r
+  TCHAR blurb[NSSM_ERROR_BUFSIZE];\r
+  va_start(arg, id);\r
+  if (_vsntprintf_s(blurb, _countof(blurb), _TRUNCATE, format, arg) < 0) {\r
+    va_end(arg);\r
+    LocalFree(format);\r
+    return MessageBox(0, _T("The message which was supposed to go here is too big!"), NSSM, MB_OK | MB_ICONEXCLAMATION);\r
+  }\r
+  va_end(arg);\r
+\r
+  MSGBOXPARAMS params;\r
+  ZeroMemory(&params, sizeof(params));\r
+  params.cbSize = sizeof(params);\r
+  params.hInstance = GetModuleHandle(0);\r
+  params.hwndOwner = owner;\r
+  params.lpszText = blurb;\r
+  params.lpszCaption = NSSM;\r
+  params.dwStyle = type;\r
+  if (type == MB_OK) {\r
+    params.dwStyle |= MB_USERICON;\r
+    params.lpszIcon = MAKEINTRESOURCE(IDI_NSSM);\r
+  }\r
+\r
+  int ret = MessageBoxIndirect(&params);\r
+\r
+  LocalFree(format);\r
+\r
+  return ret;\r
+}\r