nng/args.h: add header guard

nanomsg · Jan 6, 2025 · 446beac · 446beac
1 parent f42d0c6
commit 446beac
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/include/nng/args.h b/include/nng/args.h
@@ -8,6 +8,9 @@
 // found online at https://opensource.org/licenses/MIT.
 //
 
+#ifndef NNG_ARGS_H
+#define NNG_ARGS_H
+
 // This is a relatively simple "command line options parsing" library, used to
 // parse command line options.  We would use getopt(3), but there are
 // two problems with getopt(3).  First, it isn't available on all
@@ -161,3 +164,5 @@ nng_args_parse(int argc, char *const *argv, const nng_arg_spec *specs,
 
 	return (0);
 }
+
+#endif // NNG_ARGS_H