X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=event.cpp;fp=event.cpp;h=bd43be3515011535a795000a0812684be853927f;hb=e9d9b2fa71473e96650fe3fc4ee0d5535c6725d8;hp=661761dac8d3ef74aed441a0e313d06118bc6660;hpb=1a0589979826c8388941f753b58ec7f437a3c247;p=nssm.git

diff --git a/event.cpp b/event.cpp
index 661761d..bd43be3 100644
--- a/event.cpp
+++ b/event.cpp
@@ -1,5 +1,15 @@
 #include "nssm.h"
 
+static char error_message[65535];
+
+/* Convert error code to error string - must call LocalFree() on return value */
+char *error_string(unsigned long error) {
+  if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *) &error_message, sizeof(error_message), 0)) {
+    if (_snprintf(error_message, sizeof(error_message), "system error %lu", error) < 0) return 0;
+  }
+  return error_message;
+}
+
 /* Log a message to the Event Log */
 void log_event(unsigned short type, unsigned long id, ...) {
   va_list arg;