Merge pull request #3524 from Feoramund/freebsd-amd64-syscall-errno

Add `intrinsics.syscall_bsd`

core/sys/info/platform_freebsd.odin

@@ -12,7 +12,7 @@ version_string_buf: [1024]u8
 init_os_version :: proc () {
 	os_version.platform = .FreeBSD
 
-	kernel_version_buf: [129]u8
+	kernel_version_buf: [1024]u8
 
 	b := strings.builder_from_bytes(version_string_buf[:])
 	// Retrieve kernel info using `sysctl`, e.g. FreeBSD 13.1-RELEASE-p2 GENERIC

core/sys/unix/sysctl_freebsd.odin

@@ -5,14 +5,15 @@ import "base:intrinsics"
 
 sysctl :: proc(mib: []i32, val: ^$T) -> (ok: bool) {
 	mib := mib
-	result_size := i64(size_of(T))
+	result_size := u64(size_of(T))
 
-	res := intrinsics.syscall(SYS_sysctl,
+	res: uintptr
+	res, ok = intrinsics.syscall_bsd(SYS_sysctl,
 		uintptr(raw_data(mib)), uintptr(len(mib)),
 		uintptr(val), uintptr(&result_size),
 		uintptr(0), uintptr(0),
 	)
-	return res == 0
+	return
 }
 
 // See /usr/include/sys/sysctl.h for details