From b62e1af469afce971422eabf6c5e17edf94e2f1a Mon Sep 17 00:00:00 2001
From: Joris Baum <joris.baum@sap.com>
Date: Fri, 26 Sep 2025 16:03:28 +0200
Subject: [PATCH 1/3] Fix checkptr in Mem.Get() on darwin

Lets the tests run through on MacOS ARM by properly using Sysctl.

Credit goes to
https://github.com/elastic/gosigar/pull/178/commits/2c630396f8cd8c5fa98b81dee06615e88e5f86f9
---
 sigar_darwin.go | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/sigar_darwin.go b/sigar_darwin.go
index 90be0f227..d8c7d34d1 100644
--- a/sigar_darwin.go
+++ b/sigar_darwin.go
@@ -23,6 +23,8 @@ import (
 	"syscall"
 	"time"
 	"unsafe"
+
+	"golang.org/x/sys/unix"
 )
 
 func (self *LoadAverage) Get() error { //nolint:staticcheck
@@ -417,21 +419,22 @@ func vm_info(vmstat *C.vm_statistics_data_t) error {
 
 // generic Sysctl buffer unmarshalling
 func sysctlbyname(name string, data interface{}) (err error) {
-	val, err := syscall.Sysctl(name)
-	if err != nil {
-		return err
-	}
-
-	buf := []byte(val)
-
 	switch v := data.(type) {
 	case *uint64:
-		*v = *(*uint64)(unsafe.Pointer(&buf[0]))
-		return
+		res, err := unix.SysctlUint64(name)
+		if err != nil {
+			return err
+		}
+		*v = res
+		return nil
+	default:
+		val, err := syscall.Sysctl(name)
+		if err != nil {
+			return err
+		}
+		bbuf := bytes.NewBuffer([]byte(val))
+		return binary.Read(bbuf, binary.LittleEndian, data)
 	}
-
-	bbuf := bytes.NewBuffer([]byte(val))
-	return binary.Read(bbuf, binary.LittleEndian, data)
 }
 
 // syscall.Getfsstat() wrapper is broken, roll our own to workaround.

From db05e6756bb6593e6e7451eedc8dafb5a15c93f6 Mon Sep 17 00:00:00 2001
From: Joris Baum <joris.baum@sap.com>
Date: Tue, 30 Sep 2025 09:30:49 +0200
Subject: [PATCH 2/3] Enable macos-latest in the test workflow

---
 .github/workflows/go.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 42c735680..5d2075576 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -17,8 +17,7 @@ jobs:
   test-unit: # <- name
     strategy:
       matrix:
-        # TODO: enable macos [macos-latest, windows-latest, ubuntu-latest]
-        os: [windows-latest, ubuntu-latest]
+        os: [macos-latest, windows-latest, ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v5

From b30787b1b7783006a68dc5ac238d14f2accc33be Mon Sep 17 00:00:00 2001
From: Joris Baum <joris.baum@sap.com>
Date: Wed, 15 Oct 2025 17:03:58 +0200
Subject: [PATCH 3/3] Pin windows-specific GH workflow to version 2022

...until -latest is supported again.
---
 .github/workflows/go.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 5d2075576..e99161fb8 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -17,7 +17,7 @@ jobs:
   test-unit: # <- name
     strategy:
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-latest]
+        os: [macos-latest, windows-2022, ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v5