diff options
Diffstat (limited to 'vendor/github.com/ethereum/go-ethereum/common/path.go')
-rw-r--r-- | vendor/github.com/ethereum/go-ethereum/common/path.go | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/github.com/ethereum/go-ethereum/common/path.go b/vendor/github.com/ethereum/go-ethereum/common/path.go new file mode 100644 index 000000000..69820cfe5 --- /dev/null +++ b/vendor/github.com/ethereum/go-ethereum/common/path.go @@ -0,0 +1,49 @@ +// Copyright 2014 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. + +package common + +import ( + "fmt" + "os" + "path/filepath" + "runtime" +) + +// MakeName creates a node name that follows the ethereum convention +// for such names. It adds the operation system name and Go runtime version +// the name. +func MakeName(name, version string) string { + return fmt.Sprintf("%s/v%s/%s/%s", name, version, runtime.GOOS, runtime.Version()) +} + +// FileExist checks if a file exists at filePath. +func FileExist(filePath string) bool { + _, err := os.Stat(filePath) + if err != nil && os.IsNotExist(err) { + return false + } + + return true +} + +// AbsolutePath returns datadir + filename, or filename if it is absolute. +func AbsolutePath(datadir string, filename string) string { + if filepath.IsAbs(filename) { + return filename + } + return filepath.Join(datadir, filename) +} |