Make pledge() less strict about the API

We were previously returning EINVAL but OpenBSD allows it.
jart · Oct 4, 2023 · 4825737 · 4825737
1 parent 695f740
commit 4825737
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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