diff options
Diffstat (limited to 'util/errors.go')
| -rw-r--r-- | util/errors.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/util/errors.go b/util/errors.go index aafeadd..bd63ac8 100644 --- a/util/errors.go +++ b/util/errors.go @@ -22,6 +22,7 @@ package util import ( "fmt" "log" + "os" ) // InvalidInputF creates an error that should indicate either bad input from a @@ -48,3 +49,17 @@ func NeverError(err error) { log.Panicf("NeverError() check failed: %v", err) } } + +// UnderlyingError returns the underlying error for known os error types. +// From: src/os/error.go +func UnderlyingError(err error) error { + switch err := err.(type) { + case *os.PathError: + return err.Err + case *os.LinkError: + return err.Err + case *os.SyscallError: + return err.Err + } + return err +} |