From 665747a3199688ad5727fc9d2d28d8ebdffa1cf1 Mon Sep 17 00:00:00 2001
From: tkchia <tkchia@users.noreply.github.com>
Date: Thu, 16 Nov 2023 16:47:21 +0800
Subject: [PATCH] Make test/libc/calls/pledge_test.c work with "nonstandard"
 umask (#956)

The test was failing if the process's umask happened to be
0077, for example.  The file `foo` was then created with a
file mode of 0100600, rather than the expected 0100644.
---
 test/libc/calls/pledge_test.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/libc/calls/pledge_test.c b/test/libc/calls/pledge_test.c
index 0f0b07077..1a7755f87 100644
--- a/test/libc/calls/pledge_test.c
+++ b/test/libc/calls/pledge_test.c
@@ -493,10 +493,12 @@ TEST(pledge, open_cpath) {
   ASSERT_SYS(0, 0, touch("foo", 0644));
   ASSERT_NE(-1, (pid = fork()));
   if (!pid) {
+    unsigned omask = umask(022);
     ASSERT_SYS(0, 0, pledge("stdio cpath", 0));
     ASSERT_SYS(0, 3, open("foo", O_WRONLY | O_TRUNC | O_CREAT, 0644));
     ASSERT_SYS(0, 0, fstat(3, &st));
     ASSERT_EQ(0100644, st.st_mode);
+    umask(omask);
     // make sure open() can't apply the setuid bit
     ASSERT_SYS(EPERM, -1, open("bar", O_WRONLY | O_TRUNC | O_CREAT, 04644));
     _Exit(0);