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Merge pull request #412 from lucab/ups/test-dlopen
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internal/dlopen: fix test and run in CI
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lucab authored Nov 7, 2022
2 parents 87ca09f + 2d0440c commit 43ee42e
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Showing 2 changed files with 58 additions and 1 deletion.
57 changes: 57 additions & 0 deletions internal/dlopen/dlopen_example.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
// Copyright 2015 CoreOS, Inc.
//
// 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.
//
//go:build linux
// +build linux

package dlopen

// #include <string.h>
// #include <stdlib.h>
//
// int
// my_strlen(void *f, const char *s)
// {
// size_t (*strlen)(const char *);
//
// strlen = (size_t (*)(const char *))f;
// return strlen(s);
// }
import "C"

import (
"fmt"
"unsafe"
)

func strlen(libs []string, s string) (int, error) {
h, err := GetHandle(libs)
if err != nil {
return -1, fmt.Errorf(`couldn't get a handle to the library: %v`, err)
}
defer h.Close()

f := "strlen"
cs := C.CString(s)
defer C.free(unsafe.Pointer(cs))

strlen, err := h.GetSymbolPointer(f)
if err != nil {
return -1, fmt.Errorf(`couldn't get symbol %q: %v`, f, err)
}

len := C.my_strlen(strlen, cs)

return int(len), nil
}
2 changes: 1 addition & 1 deletion scripts/ci-runner.sh
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ PROJ="go-systemd"
ORG_PATH="github.com/coreos"
REPO_PATH="${ORG_PATH}/${PROJ}"

PACKAGES="activation daemon dbus journal login1 machine1 sdjournal unit util import1"
PACKAGES="activation daemon dbus internal/dlopen journal login1 machine1 sdjournal unit util import1"
EXAMPLES="activation listen udpconn"

function build_source {
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