X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=event.cpp;fp=event.cpp;h=7f2b9f4f3363f2ae1feab6c3ee3b96099dcd94d6;hb=d007ff22cecf2ce85cc68a1de81a010d4a65badc;hp=0000000000000000000000000000000000000000;hpb=1f59971f7254b80be17caa8d220bd591e909e98a;p=nssm.git

diff --git a/event.cpp b/event.cpp
new file mode 100644
index 0000000..7f2b9f4
--- /dev/null
+++ b/event.cpp
@@ -0,0 +1,41 @@
+#include "nssm.h"
+
+/* Convert error code to error string - must call LocalFree() on return value */
+char *error_string(unsigned long error) {
+  char *message;
+  if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *) &message, 0, 0)) return 0;
+  return message;
+}
+
+/* Log a message to the Event Log */
+void eventprintf(unsigned short type, char *format, ...) {
+  char message[4096];
+  char *strings[2];
+  int n, size;
+  va_list arg;
+
+  /* Construct the message */
+  size = sizeof(message);
+  va_start(arg, format);
+  n = _vsnprintf(message, size, format, arg);
+  va_end(arg);
+
+  /* Check success */
+  if (n < 0 || n >= size) return;
+
+  /* Construct strings array */
+  strings[0] = message;
+  strings[1] = 0;
+    
+  /* Open event log */
+  HANDLE handle = RegisterEventSource(0, TEXT(NSSM));
+  if (! handle) return;
+
+  /* Log it */
+  if (! ReportEvent(handle, type, 0, 0, 0, 1, 0, (const char **) strings, 0)) {
+    printf("ReportEvent(): %s\n", error_string(GetLastError()));
+  }
+
+  /* Close event log */
+  DeregisterEventSource(handle);
+}