Imported Upstream version 1.4upstream/1.4

1 files changed, 0 insertions, 119 deletions

diff --git a/src/pkg/syscall/env_unix.go b/src/pkg/syscall/env_unix.go
deleted file mode 100644
index ad354ed05..000000000
--- a/src/pkg/syscall/env_unix.go
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2010 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
-
-// Unix environment variables.
-
-package syscall
-
-import "sync"
-
-var (
-	// envOnce guards initialization by copyenv, which populates env.
-	envOnce sync.Once
-
-	// envLock guards env and envs.
-	envLock sync.RWMutex
-
-	// env maps from an environment variable to its first occurrence in envs.
-	env map[string]int
-
-	// envs is provided by the runtime. elements are expected to be
-	// of the form "key=value".
-	envs []string
-)
-
-// setenv_c is provided by the runtime, but is a no-op if cgo isn't
-// loaded.
-func setenv_c(k, v string)
-
-func copyenv() {
-	env = make(map[string]int)
-	for i, s := range envs {
-		for j := 0; j < len(s); j++ {
-			if s[j] == '=' {
-				key := s[:j]
-				if _, ok := env[key]; !ok {
-					env[key] = i
-				}
-				break
-			}
-		}
-	}
-}
-
-func Getenv(key string) (value string, found bool) {
-	envOnce.Do(copyenv)
-	if len(key) == 0 {
-		return "", false
-	}
-
-	envLock.RLock()
-	defer envLock.RUnlock()
-
-	i, ok := env[key]
-	if !ok {
-		return "", false
-	}
-	s := envs[i]
-	for i := 0; i < len(s); i++ {
-		if s[i] == '=' {
-			return s[i+1:], true
-		}
-	}
-	return "", false
-}
-
-func Setenv(key, value string) error {
-	envOnce.Do(copyenv)
-	if len(key) == 0 {
-		return EINVAL
-	}
-	for i := 0; i < len(key); i++ {
-		if key[i] == '=' || key[i] == 0 {
-			return EINVAL
-		}
-	}
-	for i := 0; i < len(value); i++ {
-		if value[i] == 0 {
-			return EINVAL
-		}
-	}
-
-	envLock.Lock()
-	defer envLock.Unlock()
-
-	i, ok := env[key]
-	kv := key + "=" + value
-	if ok {
-		envs[i] = kv
-	} else {
-		i = len(envs)
-		envs = append(envs, kv)
-	}
-	env[key] = i
-	setenv_c(key, value)
-	return nil
-}
-
-func Clearenv() {
-	envOnce.Do(copyenv) // prevent copyenv in Getenv/Setenv
-
-	envLock.Lock()
-	defer envLock.Unlock()
-
-	env = make(map[string]int)
-	envs = []string{}
-	// TODO(bradfitz): pass through to C
-}
-
-func Environ() []string {
-	envOnce.Do(copyenv)
-	envLock.RLock()
-	defer envLock.RUnlock()
-	a := make([]string, len(envs))
-	copy(a, envs)
-	return a
-}