libs/libc/syslog/lib_syslog.c: Bring back the commit 2e8eba35ff 'libs/libc/syslog/lib_syslog.c: Fix syslog crash on 64bit simulation'. This has more detailed information:

https://stackoverflow.com/questions/10807310/platform-inconsistencies-with-vsprintf-and-va-list.
2026-05-23 14:58:13 +08:00 · 2019-12-05 07:17:55 -06:00
parent f109c5b99c
commit 948c566e39
1 changed files with 9 additions and 1 deletions
@@ -77,7 +77,15 @@ void vsyslog(int priority, FAR const IPTR char *fmt, va_list ap)
       * of structures in the NuttX syscalls does not work.
       */

-      (void)nx_vsyslog(priority, fmt, &ap);
+#ifdef va_copy
+      va_list copy;
+
+      va_copy(copy, ap);
+      nx_vsyslog(priority, fmt, &copy);
+      va_end(copy);
+#else
+      nx_vsyslog(priority, fmt, &ap);
+#endif
    }
 }