cmount: Vendor github.com/billziss-gh/cgofuse

vendor/github.com/billziss-gh/cgofuse/examples/hellofs/hellofs.go

@@ -0,0 +1,79 @@
+/*
+ * hellofs.go
+ *
+ * Copyright 2017 Bill Zissimopoulos
+ */
+/*
+ * This file is part of Cgofuse.
+ *
+ * It is licensed under the MIT license. The full license text can be found
+ * in the License.txt file at the root of this project.
+ */
+
+package main
+
+import (
+	"os"
+
+	"github.com/billziss-gh/cgofuse/fuse"
+)
+
+const (
+	filename = "hello"
+	contents = "hello, world\n"
+)
+
+type Hellofs struct {
+	fuse.FileSystemBase
+}
+
+func (self *Hellofs) Open(path string, flags int) (errc int, fh uint64) {
+	switch path {
+	case "/" + filename:
+		return 0, 0
+	default:
+		return -fuse.ENOENT, ^uint64(0)
+	}
+}
+
+func (self *Hellofs) Getattr(path string, stat *fuse.Stat_t, fh uint64) (errc int) {
+	switch path {
+	case "/":
+		stat.Mode = fuse.S_IFDIR | 0555
+		return 0
+	case "/" + filename:
+		stat.Mode = fuse.S_IFREG | 0444
+		stat.Size = int64(len(contents))
+		return 0
+	default:
+		return -fuse.ENOENT
+	}
+}
+
+func (self *Hellofs) Read(path string, buff []byte, ofst int64, fh uint64) (n int) {
+	endofst := ofst + int64(len(buff))
+	if endofst > int64(len(contents)) {
+		endofst = int64(len(contents))
+	}
+	if endofst < ofst {
+		return 0
+	}
+	n = copy(buff, contents[ofst:endofst])
+	return
+}
+
+func (self *Hellofs) Readdir(path string,
+	fill func(name string, stat *fuse.Stat_t, ofst int64) bool,
+	ofst int64,
+	fh uint64) (errc int) {
+	fill(".", nil, 0)
+	fill("..", nil, 0)
+	fill(filename, nil, 0)
+	return 0
+}
+
+func main() {
+	hellofs := &Hellofs{}
+	host := fuse.NewFileSystemHost(hellofs)
+	host.Mount("", os.Args[1:])
+}