diff options
Diffstat (limited to 'libgo/go/os/env.go')
| -rw-r--r-- | libgo/go/os/env.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libgo/go/os/env.go b/libgo/go/os/env.go index 4a147144c3e..a03b8f68f50 100644 --- a/libgo/go/os/env.go +++ b/libgo/go/os/env.go @@ -37,7 +37,7 @@ func ExpandEnv(s string) string { // shell variable such as $*. func isShellSpecialVar(c uint8) bool { switch c { - case '*', '#', '$', '@', '!', '?', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + case '*', '#', '$', '@', '!', '?', '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': return true } return false @@ -76,6 +76,7 @@ func getShellName(s string) (string, int) { // Getenv retrieves the value of the environment variable named by the key. // It returns the value, which will be empty if the variable is not present. +// To distinguish between an empty value and an unset value, use LookupEnv. func Getenv(key string) string { v, _ := syscall.Getenv(key) return v |