github.com/kobeld/docker@v1.12.0-rc1/pkg/parsers/kernel/kernel_unix.go (about)

     1  // +build linux freebsd solaris
     2  
     3  // Package kernel provides helper function to get, parse and compare kernel
     4  // versions for different platforms.
     5  package kernel
     6  
     7  import (
     8  	"bytes"
     9  )
    10  
    11  // GetKernelVersion gets the current kernel version.
    12  func GetKernelVersion() (*VersionInfo, error) {
    13  	uts, err := uname()
    14  	if err != nil {
    15  		return nil, err
    16  	}
    17  
    18  	release := make([]byte, len(uts.Release))
    19  
    20  	i := 0
    21  	for _, c := range uts.Release {
    22  		release[i] = byte(c)
    23  		i++
    24  	}
    25  
    26  	// Remove the \x00 from the release for Atoi to parse correctly
    27  	release = release[:bytes.IndexByte(release, 0)]
    28  
    29  	return ParseRelease(string(release))
    30  }