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conf: Refactor virDomainMemballoonDefFormat

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Use virXMLFormatElement to format the internals along with simplifying
cleanup code paths.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-03-05 10:17:31 +01:00
parent 6b8a31e26c
commit afc47b7785
1 changed files with 11 additions and 36 deletions
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47
src/conf/domain_conf.c
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@ -25837,19 +25837,20 @@ virDomainMemballoonDefFormat(virBufferPtr buf,
unsigned int flags)
{
const char *model = virDomainMemballoonModelTypeToString(def->model);
virBuffer childrenBuf = VIR_BUFFER_INITIALIZER;
int ret = -1;
VIR_AUTOCLEAN(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
VIR_AUTOCLEAN(virBuffer) childrenBuf = VIR_BUFFER_INITIALIZER;
VIR_AUTOCLEAN(virBuffer) driverAttrBuf = VIR_BUFFER_INITIALIZER;
if (!model) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unexpected memballoon model %d"), def->model);
goto cleanup;
return -1;
}
virBufferAsprintf(buf, "<memballoon model='%s'", model);
virBufferAsprintf(&attrBuf, " model='%s'", model);
if (def->autodeflate != VIR_TRISTATE_SWITCH_ABSENT)
virBufferAsprintf(buf, " autodeflate='%s'",
virBufferAsprintf(&attrBuf, " autodeflate='%s'",
virTristateSwitchTypeToString(def->autodeflate));
virBufferSetChildIndent(&childrenBuf, buf);
@ -25858,40 +25859,14 @@ virDomainMemballoonDefFormat(virBufferPtr buf,
virBufferAsprintf(&childrenBuf, "<stats period='%i'/>\n", def->period);
if (virDomainDeviceInfoFormat(&childrenBuf, &def->info, flags) < 0)
goto cleanup;
return -1;
if (def->virtio) {
virBuffer driverBuf = VIR_BUFFER_INITIALIZER;
virDomainVirtioOptionsFormat(&driverAttrBuf, def->virtio);
virDomainVirtioOptionsFormat(&driverBuf, def->virtio);
if (virXMLFormatElement(&childrenBuf, "driver", &driverAttrBuf, NULL) < 0)
return -1;
if (virBufferCheckError(&driverBuf) < 0)
goto cleanup;
if (virBufferUse(&driverBuf)) {
virBufferAddLit(&childrenBuf, "<driver");
virBufferAddBuffer(&childrenBuf, &driverBuf);
virBufferAddLit(&childrenBuf, "/>\n");
}
}
if (virBufferCheckError(&childrenBuf) < 0)
goto cleanup;
if (!virBufferUse(&childrenBuf)) {
virBufferAddLit(buf, "/>\n");
} else {
virBufferAddLit(buf, ">\n");
virBufferAddBuffer(buf, &childrenBuf);
virBufferAddLit(buf, "</memballoon>\n");
}
ret = 0;
cleanup:
virBufferFreeAndReset(&childrenBuf);
return ret;
return virXMLFormatElement(buf, "memballoon", &attrBuf, &childrenBuf);
}
static int