From 48257375098707915bc0f81e514774e06bb18d6d Mon Sep 17 00:00:00 2001
From: Justine Tunney <jtunney@gmail.com>
Date: Tue, 3 Oct 2023 17:57:26 -0700
Subject: [PATCH] Make pledge() less strict about the API

We were previously returning EINVAL but OpenBSD allows it.
---
 libc/calls/pledge.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libc/calls/pledge.c b/libc/calls/pledge.c
index 3c423c670..0c2f989bc 100644
--- a/libc/calls/pledge.c
+++ b/libc/calls/pledge.c
@@ -239,6 +239,9 @@
 int pledge(const char *promises, const char *execpromises) {
   int e, rc;
   unsigned long ipromises, iexecpromises;
+  if (promises && !execpromises) {
+    execpromises = promises;
+  }
   if (!promises) {
     // OpenBSD says NULL argument means it doesn't change, i.e.
     // pledge(0,0) on OpenBSD does nothing. The Cosmopolitan Libc