249 lines
5.1 KiB
Go
249 lines
5.1 KiB
Go
package glog
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import (
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"fmt"
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"os"
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"path"
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"path/filepath"
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"runtime"
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"strings"
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"sync/atomic"
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"time"
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)
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const (
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MaskUNKNOWN = 1 << iota
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MaskDEBUG
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MaskTRACE
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MaskINFO
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MaskWARNING
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MaskERROR
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MaskFATAL
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MaskStd = MaskINFO | MaskWARNING | MaskERROR | MaskFATAL
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MaskAll = MaskUNKNOWN | MaskDEBUG | MaskTRACE | MaskINFO | MaskWARNING | MaskERROR | MaskFATAL
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)
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const (
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FlagDate = 1 << iota
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FlagTime
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FlagLongFile
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FlagShortFile
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FlagFunc
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FlagPrefix
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FlagSuffix
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FlagStd = FlagDate | FlagTime | FlagPrefix
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FlagAll = FlagDate | FlagTime | FlagShortFile | FlagFunc | FlagPrefix | FlagSuffix
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)
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var (
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prefixUNKNOWN = "[UNKNOWN]"
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prefixDEBUG = "[DEBUG ]"
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prefixTRACE = "[TRACE ]"
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prefixINFO = "[INFO ]"
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prefixWARNING = "[WARNING]"
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prefixERROR = "[ERROR ]"
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prefixFATAL = "[FATAL ]"
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)
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var separatorStart = " : "
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var separatorEnd = " [ "
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var separatorEndEnd = " ]"
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var mask uint32 = MaskStd
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var flag uint32 = FlagStd
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var stdout = NewPaperFromFile(os.Stdout)
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var stderr = NewPaperFromFile(os.Stderr)
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var file = NewPaperFromFile(nil)
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func SetSeparatorStart(sep string) {
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separatorStart = sep
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}
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func SetSeparatorEnd(sep string) {
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separatorEnd = sep
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}
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func SetSeparatorEndEnd(end string) {
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separatorEndEnd = end
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}
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func SetMask(m uint32) {
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atomic.StoreUint32(&mask, m)
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}
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func GetMask() uint32 {
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return atomic.LoadUint32(&mask)
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}
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func SetFlag(f uint32) {
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atomic.StoreUint32(&flag, f)
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}
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func GetFlag() uint32 {
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return atomic.LoadUint32(&flag)
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}
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func SetLogFile(path string) error {
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f, err := os.OpenFile(filepath.Clean(path), os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)
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if err != nil {
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return err
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}
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file.SetFile(f)
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return nil
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}
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func CloseFile() {
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err := file.Close()
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if err != nil {
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Error("failed to close log file: %v", err)
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}
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}
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func CloseStdout() {
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err := stdout.Close()
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if err != nil {
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Error("failed to close log stdout: %v", err)
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}
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}
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func CloseStderr() {
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err := stderr.Close()
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if err != nil {
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Error("failed to close log stderr: %v", err)
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}
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}
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func Close() {
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CloseFile()
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CloseStdout()
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CloseStderr()
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}
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func write(w *Paper, prefix string, format string, values ...any) {
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if !w.Ready() {
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return
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}
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logPrefix := strings.Builder{}
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logSuffix := strings.Builder{}
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now := ""
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flg := GetFlag()
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if (flg&FlagDate) != 0 && (flg&FlagTime) != 0 {
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now = time.Now().Format("2006-01-02 15:04:05")
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} else if (flg & FlagDate) != 0 {
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now = time.Now().Format("2006-01-02")
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} else if (flg & FlagTime) != 0 {
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now = time.Now().Format("15:04:05")
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}
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if (flg & FlagPrefix) != 0 {
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logPrefix.WriteString(now)
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logPrefix.WriteByte(' ')
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logPrefix.WriteString(prefix)
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} else {
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logPrefix.WriteString(prefix)
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logPrefix.WriteByte(' ')
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logPrefix.WriteString(now)
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}
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if (flg & FlagFunc) != 0 {
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c, _, _, ok := runtime.Caller(2)
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if ok {
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logSuffix.WriteString(runtime.FuncForPC(c).Name())
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} else {
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logSuffix.WriteByte('?')
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}
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}
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if (flg & FlagLongFile) != 0 {
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if logSuffix.Len() != 0 {
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logSuffix.WriteByte(' ')
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}
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_, p, l, ok := runtime.Caller(2)
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if ok {
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logSuffix.WriteString(fmt.Sprintf("%s:%d", p, l))
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} else {
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logSuffix.WriteString("?:?")
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}
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} else if (flg & FlagShortFile) != 0 {
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if logSuffix.Len() != 0 {
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logSuffix.WriteByte(' ')
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}
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_, p, l, ok := runtime.Caller(2)
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if ok {
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logSuffix.WriteString(fmt.Sprintf("%s:%d", path.Base(p), l))
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} else {
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logSuffix.WriteString("?:?")
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}
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}
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if (flag & FlagSuffix) != 0 {
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logPrefix.WriteString(separatorStart)
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logPrefix.WriteString(fmt.Sprintf(format, values...))
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logPrefix.WriteString(separatorEnd)
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logPrefix.WriteString(logSuffix.String())
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logPrefix.WriteString(separatorEndEnd)
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} else {
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logPrefix.WriteByte(' ')
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logPrefix.WriteString(logSuffix.String())
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logPrefix.WriteString(separatorStart)
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logPrefix.WriteString(fmt.Sprintf(format, values...))
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}
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logPrefix.WriteByte('\n')
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w.WriteString(logPrefix.String())
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}
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func Unknown(format string, values ...any) {
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if (GetMask() & MaskUNKNOWN) != 0 {
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write(file, prefixUNKNOWN, format, values...)
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write(stdout, prefixUNKNOWN, format, values...)
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}
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}
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func Debug(format string, values ...any) {
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if (GetMask() & MaskDEBUG) != 0 {
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write(file, prefixDEBUG, format, values...)
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write(stdout, prefixDEBUG, format, values...)
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}
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}
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func Trace(format string, values ...any) {
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if (GetMask() & MaskTRACE) != 0 {
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write(file, prefixTRACE, format, values...)
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write(stdout, prefixTRACE, format, values...)
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}
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}
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func Info(format string, values ...any) {
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if (GetMask() & MaskINFO) != 0 {
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write(file, prefixINFO, format, values...)
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write(stdout, prefixINFO, format, values...)
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}
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}
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func Warning(format string, values ...any) {
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if (GetMask() & MaskWARNING) != 0 {
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write(file, prefixWARNING, format, values...)
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write(stdout, prefixWARNING, format, values...)
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}
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}
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func Error(format string, values ...any) {
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if (GetMask() & MaskERROR) != 0 {
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write(file, prefixERROR, format, values...)
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write(stderr, prefixERROR, format, values...)
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}
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}
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func Fatal(format string, values ...any) {
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if (GetMask() & MaskFATAL) != 0 {
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write(file, prefixFATAL, format, values...)
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write(stderr, prefixFATAL, format, values...)
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CloseFile()
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os.Exit(0)
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}
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}
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