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virsh: Slightly rework cmdDomblklist

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Let's move some variables from an inside loop to global function
declaration header block. It's going to be easier for next
patches. At the same time, order the cleanup calls at the
function's end so it's easier to track which variables are freed
and which not.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2015-09-02 15:44:41 +02:00
parent ea65fdba7f
commit 0efe8f5065
1 changed files with 14 additions and 15 deletions
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29
tools/virsh-domain-monitor.c
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@ -486,6 +486,10 @@ cmdDomblklist(vshControl *ctl, const vshCmd *cmd)
xmlNodePtr *disks = NULL;
size_t i;
bool details = false;
char *type = NULL;
char *device = NULL;
char *target = NULL;
char *source = NULL;
if (vshCommandOptBool(cmd, "inactive"))
flags |= VIR_DOMAIN_XML_INACTIVE;
@ -516,11 +520,6 @@ cmdDomblklist(vshControl *ctl, const vshCmd *cmd)
vshPrintExtra(ctl, "------------------------------------------------\n");
for (i = 0; i < ndisks; i++) {
char *type = NULL;
char *device = NULL;
char *target;
char *source;
ctxt->node = disks[i];
if (details) {
@ -528,8 +527,6 @@ cmdDomblklist(vshControl *ctl, const vshCmd *cmd)
device = virXPathString("string(./@device)", ctxt);
if (!type || !device) {
vshPrint(ctl, "unable to query block list details");
VIR_FREE(type);
VIR_FREE(device);
goto cleanup;
}
}
@ -537,8 +534,6 @@ cmdDomblklist(vshControl *ctl, const vshCmd *cmd)
target = virXPathString("string(./target/@dev)", ctxt);
if (!target) {
vshError(ctl, "unable to query block list");
VIR_FREE(type);
VIR_FREE(device);
goto cleanup;
}
source = virXPathString("string(./source/@file"
@ -549,24 +544,28 @@ cmdDomblklist(vshControl *ctl, const vshCmd *cmd)
if (details) {
vshPrint(ctl, "%-10s %-10s %-10s %s\n", type, device,
target, source ? source : "-");
VIR_FREE(type);
VIR_FREE(device);
} else {
vshPrint(ctl, "%-10s %s\n", target, source ? source : "-");
}
VIR_FREE(target);
VIR_FREE(source);
VIR_FREE(target);
VIR_FREE(device);
VIR_FREE(type);
}
ret = true;
cleanup:
VIR_FREE(source);
VIR_FREE(target);
VIR_FREE(device);
VIR_FREE(type);
VIR_FREE(disks);
virDomainFree(dom);
VIR_FREE(xml);
xmlFreeDoc(xmldoc);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xmldoc);
VIR_FREE(xml);
virDomainFree(dom);
return ret;
}