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80 lines
1.3 KiB
Go
80 lines
1.3 KiB
Go
//
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// gopsutil is a port of psutil(http://pythonhosted.org/psutil/).
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// This covers these architectures.
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// - linux
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// - freebsd
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// - window
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package gopsutil
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import (
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"bufio"
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"os"
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"strconv"
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"strings"
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)
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// ReadLines read contents from file and split by new line.
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func ReadLines(filename string) ([]string, error) {
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f, err := os.Open(filename)
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if err != nil {
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return []string{""}, err
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}
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defer f.Close()
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var ret []string
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r := bufio.NewReader(f)
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line, err := r.ReadString('\n')
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for err == nil {
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ret = append(ret, strings.Trim(line, "\n"))
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line, err = r.ReadString('\n')
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}
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return ret, nil
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}
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func byteToString(orig []byte) string {
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n := -1
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l := -1
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for i, b := range orig {
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// skip left side null
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if l == -1 && b == 0 {
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continue
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}
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if l == -1 {
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l = i
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}
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if b == 0 {
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break
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}
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n = i + 1
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}
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if n == -1 {
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return string(orig)
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}
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return string(orig[l:n])
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}
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// Parse to int32 without error
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func parseInt32(val string) int32 {
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vv, _ := strconv.ParseInt(val, 10, 32)
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return int32(vv)
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}
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// Parse to uint64 without error
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func parseUint64(val string) uint64 {
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vv, _ := strconv.ParseInt(val, 10, 64)
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return uint64(vv)
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}
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// Check the target string slice containes src or not
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func stringContains(target []string, src string) bool {
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for _, t := range target {
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if t == src {
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return true
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}
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}
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return false
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}
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