mirror of https://github.com/prometheus/prometheus
40 lines
916 B
Go
40 lines
916 B
Go
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// Package vfsutil implements some I/O utility functions for http.FileSystem.
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package vfsutil
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import (
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"io/ioutil"
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"net/http"
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"os"
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)
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// ReadDir reads the contents of the directory associated with file and
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// returns a slice of FileInfo values in directory order.
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func ReadDir(fs http.FileSystem, name string) ([]os.FileInfo, error) {
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f, err := fs.Open(name)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return f.Readdir(0)
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}
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// Stat returns the FileInfo structure describing file.
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func Stat(fs http.FileSystem, name string) (os.FileInfo, error) {
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f, err := fs.Open(name)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return f.Stat()
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}
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// ReadFile reads the file named by path from fs and returns the contents.
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func ReadFile(fs http.FileSystem, path string) ([]byte, error) {
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rc, err := fs.Open(path)
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if err != nil {
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return nil, err
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}
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defer rc.Close()
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return ioutil.ReadAll(rc)
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}
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