fix: fix build on windows

Signed-off-by: Andrea Terzolo <[email protected]>

userspace/libsinsp/pod_regex.h

@@ -0,0 +1,20 @@
+/*
+Copyright (C) 2023 The Falco Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+*/
+
+#pragma once
+
+#define RGX_POD "(pod[a-z0-9]{8}[-_][a-z0-9]{4}[-_][a-z0-9]{4}[-_][a-z0-9]{4}[-_][a-z0-9]{12})"

userspace/libsinsp/test/classes/sinsp_threadinfo.cpp

@@ -16,6 +16,8 @@ limitations under the License.
 */
 
 #include <test/helpers/threads_helpers.h>
+#include <re2/re2.h>
+#include "pod_regex.h"
 
 TEST(sinsp_threadinfo, get_main_thread)
 {
@@ -129,7 +131,6 @@ TEST_F(sinsp_with_test_input, THRD_INFO_assign_children_to_a_nullptr)
 // This test asserts that our regex is solid against all possible cgroup layouts
 TEST(sinsp_threadinfo, check_pod_uid_regex)
 {
-	// RGX_POD is defined in `threadinfo.h`
 	re2::RE2 pattern(RGX_POD, re2::RE2::POSIX);
 
 	// CgroupV1, driver cgroup

userspace/libsinsp/threadinfo.cpp

@@ -31,6 +31,9 @@ limitations under the License.
 #include "tracer_emitter.h"
 #endif
 
+#include <re2/re2.h>
+#include "pod_regex.h"
+
 constexpr static const char* s_thread_table_name = "threads";
 
 extern sinsp_evttables g_infotables;

userspace/libsinsp/threadinfo.h

@@ -39,9 +39,6 @@ struct iovec {
 #include "internal_metrics.h"
 #include "state/table.h"
 #include "thread_group_info.h"
-#include <re2/re2.h>
-
-#define RGX_POD "(pod[a-z0-9]{8}[-_][a-z0-9]{4}[-_][a-z0-9]{4}[-_][a-z0-9]{4}[-_][a-z0-9]{12})"
 
 class sinsp_delays_info;
 class sinsp_tracerparser;