hrfee/jfa-go
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print error if logging fails

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This commit is contained in:
Harvey Tindall 2021-12-20 19:05:18 +00:00
parent ebb49fce97
commit d81679fbae
Signed by: hrfee
GPG Key ID: BBC65952848FB1A2
2 changed files with 7 additions and 3 deletions
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5
log.go
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@ -14,14 +14,15 @@ import (
var logPath string = filepath.Join(temp, "jfa-go.log") var logPath string = filepath.Join(temp, "jfa-go.log")
var lineCache = linecache.NewLineCache(100) var lineCache = linecache.NewLineCache(100)
func logOutput() (closeFunc func()) { func logOutput() (closeFunc func(), err error) {
old := os.Stdout old := os.Stdout
writers := []io.Writer{old, colorStripper{lineCache}} writers := []io.Writer{old, colorStripper{lineCache}}
wExit := make(chan bool) wExit := make(chan bool)
r, w, _ := os.Pipe() r, w, _ := os.Pipe()
var f *os.File
if TRAY { if TRAY {
log.Printf("Logging to \"%s\"", logPath) log.Printf("Logging to \"%s\"", logPath)
f, err := os.OpenFile(logPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666) f, err = os.OpenFile(logPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil { if err != nil {
closeFunc = func() {} closeFunc = func() {}
return return

5
main.go
View File

@ -667,7 +667,10 @@ func printVersion() {
} }
func main() { func main() {
f := logOutput() f, err := logOutput()
if err != nil {
fmt.Printf("Failed to start logging: %v\n", err)
}
defer f() defer f()
printVersion() printVersion()
SOCK = filepath.Join(temp, SOCK) SOCK = filepath.Join(temp, SOCK)