compat/win32/syslog.c

   1 #include "../../git-compat-util.h"
   2 #include "../../strbuf.h"
   3
   4 static HANDLE ms_eventlog;
   5
   6 void openlog(const char *ident, int logopt, int facility)
   7 {
   8         if (ms_eventlog)
   9                 return;
  10
  11         ms_eventlog = RegisterEventSourceA(NULL, ident);
  12
  13         if (!ms_eventlog)
  14                 warning("RegisterEventSource() failed: %lu", GetLastError());
  15 }
  16
  17 void syslog(int priority, const char *fmt, ...)
  18 {
  19         struct strbuf sb = STRBUF_INIT;
  20         struct strbuf_expand_dict_entry dict[] = {
  21                 {"1", "% 1"},
  22                 {NULL, NULL}
  23         };
  24         WORD logtype;
  25         char *str;
  26         int str_len;
  27         va_list ap;
  28
  29         if (!ms_eventlog)
  30                 return;
  31
  32         va_start(ap, fmt);
  33         str_len = vsnprintf(NULL, 0, fmt, ap);
  34         va_end(ap);
  35
  36         if (str_len < 0) {
  37                 warning("vsnprintf failed: '%s'", strerror(errno));
  38                 return;
  39         }
  40
  41         str = malloc(str_len + 1);
  42         va_start(ap, fmt);
  43         vsnprintf(str, str_len + 1, fmt, ap);
  44         va_end(ap);
  45         strbuf_expand(&sb, str, strbuf_expand_dict_cb, &dict);
  46         free(str);
  47
  48         switch (priority) {
  49         case LOG_EMERG:
  50         case LOG_ALERT:
  51         case LOG_CRIT:
  52         case LOG_ERR:
  53                 logtype = EVENTLOG_ERROR_TYPE;
  54                 break;
  55
  56         case LOG_WARNING:
  57                 logtype = EVENTLOG_WARNING_TYPE;
  58                 break;
  59
  60         case LOG_NOTICE:
  61         case LOG_INFO:
  62         case LOG_DEBUG:
  63         default:
  64                 logtype = EVENTLOG_INFORMATION_TYPE;
  65                 break;
  66         }
  67
  68         ReportEventA(ms_eventlog, logtype, 0, 0, NULL, 1, 0,
  69             (const char **)&sb.buf, NULL);
  70
  71         strbuf_release(&sb);
  72 }