Re: [libvirt] [PATCH] virsh: Fix debugging

On 08/28/2013 03:39 AM, Eric Blake wrote: > On 08/27/2013 06:27 AM, Martin Kletzander wrote: >> diff --git a/tools/virsh.c b/tools/virsh.c >> index ac77156..34f5c4a 100644 >> --- a/tools/virsh.c >> +++ b/tools/virsh.c >> @@ -2321,10 +2321,9 @@ vshInitDebug(vshControl *ctl) >> debugEnv = getenv("VIRSH_LOG_FILE"); >> if (debugEnv && *debugEnv) { >> ctl->logfile = vshStrdup(ctl, debugEnv); >> + vshOpenLogFile(ctl); >> } >> } >> - >> - vshOpenLogFile(ctl); >> } >> >> /* >> @@ -3044,7 +3043,9 @@ vshParseArgv(vshControl *ctl, int argc, char **argv) >> ctl->readonly = true; >> break; >> case 'l': >> + vshCloseLogFile(ctl); >> ctl->logfile = vshStrdup(ctl, optarg); >> + vshOpenLogFile(ctl); > > Note that there's another leak here (pre-existing): If I call: > virsh -l file1 -l file2, we leak "file1" by reassigning a malloc'd > string without first freeing the old version. > Actually, it gets freed in vshCloseLogFile (and set to NULL, just to be double sure): if (ctl->logfile) { VIR_FREE(ctl->logfile); ctl->logfile = NULL; }