From 96eb3046753055173a3d621c73b6898a6dd77bac Mon Sep 17 00:00:00 2001
From: Francisco Javier Honduvilla Coto <javierhonduco@gmail.com>
Date: Thu, 28 Apr 2022 11:34:00 +0100
Subject: [PATCH] Add strict mode API

See https://github.com/libbpf/libbpf/wiki/Libbpf-1.0-migration-guide for context.
Related to https://github.com/aquasecurity/libbpfgo/issues/159
---
 libbpfgo.go | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/libbpfgo.go b/libbpfgo.go
index e5117390..5c80025f 100644
--- a/libbpfgo.go
+++ b/libbpfgo.go
@@ -328,6 +328,24 @@ func NewModuleFromFile(bpfObjPath string) (*Module, error) {
 	})
 }
 
+func SetStrictMode(mode string) error {
+	var chosenMode uint32
+	switch mode {
+	case "all":
+		chosenMode = C.LIBBPF_STRICT_ALL
+	case "none":
+		chosenMode = C.LIBBPF_STRICT_NONE
+	case "clean_ptrs":
+		chosenMode = C.LIBBPF_STRICT_CLEAN_PTRS
+	case "direct_errs":
+		chosenMode = C.LIBBPF_STRICT_DIRECT_ERRS
+	default:
+		return fmt.Errorf("%s is not a valid strict mode", mode)
+	}
+	C.libbpf_set_strict_mode(chosenMode)
+	return nil
+}
+
 func NewModuleFromFileArgs(args NewModuleArgs) (*Module, error) {
 	C.set_print_fn()
 	if err := bumpMemlockRlimit(); err != nil {
@@ -787,7 +805,7 @@ func (b *BPFMap) DeleteKeyBatch(keys unsafe.Pointer, count uint32) error {
 		ElemFlags: C.BPF_ANY,
 		Flags:     C.BPF_ANY,
 	}
-	
+
 	errC := C.bpf_map_delete_batch(b.fd, keys, &countC, bpfMapBatchOptsToC(opts))
 	if errC != 0 {
 		sc := syscall.Errno(-errC)