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maint: simplify lots of libxml2 clients

Browse Source 
Repetitive patterns should be factored.  The sign of a good
factorization is a change that kills 5x more lines than it adds :)

* src/conf/domain_conf.c (virDomainDeviceDefParse)
(virDomainSnapshotDefParseString): Use new convenience macros.
* src/conf/storage_conf.c (virStoragePoolDefParseSourceString):
Likewise.
* src/cpu/cpu.c (cpuCompareXML, cpuBaselineXML): Likewise.
* src/esx/esx_vi.c (esxVI_Context_Execute): Likewise.
* src/qemu/qemu_migration.c (qemuMigrationCookieXMLParseStr):
Likewise.
* src/security/virt-aa-helper.c (caps_mockup): Likewise.
* src/test/test_driver.c (testOpenFromFile): Likewise.
* tests/cputest.c (cpuTestLoadXML, cpuTestLoadMultiXML):
Likewise.
* tools/virsh.c (cmdFreecell, makeCloneXML, cmdVNCDisplay)
(cmdTTYConsole, cmdDetachInterface, cmdDetachDisk)
(cmdSnapshotCreate, cmdSnapshotCreateAs, cmdSnapshotCurrent)
(cmdSnapshotList, cmdSnapshotParent): Likewise.
This commit is contained in:
Eric Blake 2011-08-18 15:37:14 -06:00
parent 751304e367
commit d89dd42d51
9 changed files with 30 additions and 156 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/conf/domain_conf.c
View File

@ -5385,17 +5385,10 @@ virDomainDeviceDefPtr virDomainDeviceDefParse(virCapsPtr caps,
xmlXPathContextPtr ctxt = NULL; xmlXPathContextPtr ctxt = NULL;
virDomainDeviceDefPtr dev = NULL; virDomainDeviceDefPtr dev = NULL;
if (!(xml = virXMLParseString(xmlStr, "device.xml"))) { if (!(xml = virXMLParseStringCtxt(xmlStr, "device.xml", &ctxt))) {
goto error; goto error;
} }
node = xmlDocGetRootElement(xml); node = ctxt->node;
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
virReportOOMError();
goto error;
}
ctxt->node = xmlDocGetRootElement(xml);
if (VIR_ALLOC(dev) < 0) { if (VIR_ALLOC(dev) < 0) {
virReportOOMError(); virReportOOMError();
@ -10968,23 +10961,16 @@ virDomainSnapshotDefPtr virDomainSnapshotDefParseString(const char *xmlStr,
char *creation = NULL, *state = NULL; char *creation = NULL, *state = NULL;
struct timeval tv; struct timeval tv;
xml = virXMLParse(NULL, xmlStr, "domainsnapshot.xml"); xml = virXMLParseCtxt(NULL, xmlStr, "domainsnapshot.xml", &ctxt);
if (!xml) { if (!xml) {
return NULL; return NULL;
} }
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
virReportOOMError();
goto cleanup;
}
if (VIR_ALLOC(def) < 0) { if (VIR_ALLOC(def) < 0) {
virReportOOMError(); virReportOOMError();
goto cleanup; goto cleanup;
} }
ctxt->node = xmlDocGetRootElement(xml);
if (!xmlStrEqual(ctxt->node->name, BAD_CAST "domainsnapshot")) { if (!xmlStrEqual(ctxt->node->name, BAD_CAST "domainsnapshot")) {
virDomainReportError(VIR_ERR_XML_ERROR, "%s", _("domainsnapshot")); virDomainReportError(VIR_ERR_XML_ERROR, "%s", _("domainsnapshot"));
goto cleanup; goto cleanup;

8
src/conf/storage_conf.c
View File

@ -505,13 +505,7 @@ virStoragePoolDefParseSourceString(const char *srcSpec,
xmlXPathContextPtr xpath_ctxt = NULL; xmlXPathContextPtr xpath_ctxt = NULL;
virStoragePoolSourcePtr def = NULL, ret = NULL; virStoragePoolSourcePtr def = NULL, ret = NULL;
if (!(doc = virXMLParseString(srcSpec, "srcSpec.xml"))) { if (!(doc = virXMLParseStringCtxt(srcSpec, "srcSpec.xml", &xpath_ctxt))) {
goto cleanup;
}
xpath_ctxt = xmlXPathNewContext(doc);
if (xpath_ctxt == NULL) {
virReportOOMError();
goto cleanup; goto cleanup;
} }

18
src/cpu/cpu.c
View File

@ -1,7 +1,7 @@
/* /*
* cpu.c: internal functions for CPU manipulation * cpu.c: internal functions for CPU manipulation
* *
* Copyright (C) 2009--2010 Red Hat, Inc. * Copyright (C) 2009-2011 Red Hat, Inc.
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public * modify it under the terms of the GNU Lesser General Public
@ -76,16 +76,9 @@ cpuCompareXML(virCPUDefPtr host,
VIR_DEBUG("host=%p, xml=%s", host, NULLSTR(xml)); VIR_DEBUG("host=%p, xml=%s", host, NULLSTR(xml));
if (!(doc = virXMLParseString(xml, "cpu.xml"))) if (!(doc = virXMLParseStringCtxt(xml, "cpu.xml", &ctxt)))
goto cleanup; goto cleanup;
if ((ctxt = xmlXPathNewContext(doc)) == NULL) {
virReportOOMError();
goto cleanup;
}
ctxt->node = xmlDocGetRootElement(doc);
cpu = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_AUTO); cpu = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_AUTO);
if (cpu == NULL) if (cpu == NULL)
goto cleanup; goto cleanup;
@ -311,14 +304,9 @@ cpuBaselineXML(const char **xmlCPUs,
goto no_memory; goto no_memory;
for (i = 0; i < ncpus; i++) { for (i = 0; i < ncpus; i++) {
if (!(doc = virXMLParseString(xmlCPUs[i], "cpu.xml"))) if (!(doc = virXMLParseStringCtxt(xmlCPUs[i], "cpu.xml", &ctxt)))
goto error; goto error;
if ((ctxt = xmlXPathNewContext(doc)) == NULL)
goto no_memory;
ctxt->node = xmlDocGetRootElement(doc);
cpus[i] = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_HOST); cpus[i] = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_HOST);
if (cpus[i] == NULL) if (cpus[i] == NULL)
goto error; goto error;

13
src/esx/esx_vi.c
View File

@ -910,21 +910,14 @@ esxVI_Context_Execute(esxVI_Context *ctx, const char *methodName,
(*response)->content = virBufferContentAndReset(&buffer); (*response)->content = virBufferContentAndReset(&buffer);
if ((*response)->responseCode == 500 || (*response)->responseCode == 200) { if ((*response)->responseCode == 500 || (*response)->responseCode == 200) {
(*response)->document = virXMLParseString((*response)->content, (*response)->document = virXMLParseStringCtxt((*response)->content,
"esx.xml"); "esx.xml",
&xpathContext);
if ((*response)->document == NULL) { if ((*response)->document == NULL) {
goto cleanup; goto cleanup;
} }
xpathContext = xmlXPathNewContext((*response)->document);
if (xpathContext == NULL) {
ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not create XPath context"));
goto cleanup;
}
xmlXPathRegisterNs(xpathContext, BAD_CAST "soapenv", xmlXPathRegisterNs(xpathContext, BAD_CAST "soapenv",
BAD_CAST "http://schemas.xmlsoap.org/soap/envelope/"); BAD_CAST "http://schemas.xmlsoap.org/soap/envelope/");
xmlXPathRegisterNs(xpathContext, BAD_CAST "vim", BAD_CAST "urn:vim25"); xmlXPathRegisterNs(xpathContext, BAD_CAST "vim", BAD_CAST "urn:vim25");

9
src/qemu/qemu_migration.c
View File

@ -602,16 +602,9 @@ qemuMigrationCookieXMLParseStr(qemuMigrationCookiePtr mig,
VIR_DEBUG("xml=%s", NULLSTR(xml)); VIR_DEBUG("xml=%s", NULLSTR(xml));
if (!(doc = virXMLParseString(xml, "qemumigration.xml"))) if (!(doc = virXMLParseStringCtxt(xml, "qemumigration.xml", &ctxt)))
goto cleanup; goto cleanup;
if ((ctxt = xmlXPathNewContext(doc)) == NULL) {
virReportOOMError();
goto cleanup;
}
ctxt->node = xmlDocGetRootElement(doc);
ret = qemuMigrationCookieXMLParse(mig, ctxt, flags); ret = qemuMigrationCookieXMLParse(mig, ctxt, flags);
cleanup: cleanup:

12
src/security/virt-aa-helper.c
View File

@ -640,24 +640,16 @@ caps_mockup(vahControl * ctl, const char *xmlStr)
int rc = -1; int rc = -1;
xmlDocPtr xml = NULL; xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL; xmlXPathContextPtr ctxt = NULL;
xmlNodePtr root;
if (!(xml = virXMLParseString(xmlStr, "domain.xml"))) { if (!(xml = virXMLParseStringCtxt(xmlStr, "domain.xml", &ctxt))) {
goto cleanup; goto cleanup;
} }
root = xmlDocGetRootElement(xml); if (!xmlStrEqual(ctxt->node->name, BAD_CAST "domain")) {
if (!xmlStrEqual(root->name, BAD_CAST "domain")) {
vah_error(NULL, 0, _("incorrect root element")); vah_error(NULL, 0, _("incorrect root element"));
goto cleanup; goto cleanup;
} }
if ((ctxt = xmlXPathNewContext(xml)) == NULL) {
vah_error(ctl, 0, _("could not allocate memory"));
goto cleanup;
}
ctxt->node = root;
/* Quick sanity check for some required elements */ /* Quick sanity check for some required elements */
if (verify_xpath_context(ctxt) != 0) if (verify_xpath_context(ctxt) != 0)
goto cleanup; goto cleanup;

13
src/test/test_driver.c
View File

@ -742,7 +742,6 @@ static int testOpenFromFile(virConnectPtr conn,
long l; long l;
char *str; char *str;
xmlDocPtr xml = NULL; xmlDocPtr xml = NULL;
xmlNodePtr root = NULL;
xmlNodePtr *domains = NULL, *networks = NULL, *ifaces = NULL, xmlNodePtr *domains = NULL, *networks = NULL, *ifaces = NULL,
*pools = NULL, *devs = NULL; *pools = NULL, *devs = NULL;
xmlXPathContextPtr ctxt = NULL; xmlXPathContextPtr ctxt = NULL;
@ -771,24 +770,16 @@ static int testOpenFromFile(virConnectPtr conn,
if (!(privconn->caps = testBuildCapabilities(conn))) if (!(privconn->caps = testBuildCapabilities(conn)))
goto error; goto error;
if (!(xml = virXMLParseFile(file))) { if (!(xml = virXMLParseFileCtxt(file, &ctxt))) {
goto error; goto error;
} }
root = xmlDocGetRootElement(xml); if (!xmlStrEqual(ctxt->node->name, BAD_CAST "node")) {
if ((root == NULL) || (!xmlStrEqual(root->name, BAD_CAST "node"))) {
testError(VIR_ERR_XML_ERROR, "%s", testError(VIR_ERR_XML_ERROR, "%s",
_("Root element is not 'node'")); _("Root element is not 'node'"));
goto error; goto error;
} }
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
testError(VIR_ERR_INTERNAL_ERROR, "%s",
_("creating xpath context"));
goto error;
}
privconn->nextDomID = 1; privconn->nextDomID = 1;
privconn->numCells = 0; privconn->numCells = 0;
if ((privconn->path = strdup(file)) == NULL) { if ((privconn->path = strdup(file)) == NULL) {

9
tests/cputest.c
View File

@ -96,11 +96,9 @@ cpuTestLoadXML(const char *arch, const char *name)
if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml", abs_srcdir, arch, name) < 0) if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml", abs_srcdir, arch, name) < 0)
goto cleanup; goto cleanup;
if (!(doc = virXMLParseFile(xml)) || if (!(doc = virXMLParseFileCtxt(xml, &ctxt)))
!(ctxt = xmlXPathNewContext(doc)))
goto cleanup; goto cleanup;
ctxt->node = xmlDocGetRootElement(doc);
cpu = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_AUTO); cpu = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_AUTO);
cleanup: cleanup:
@ -127,12 +125,9 @@ cpuTestLoadMultiXML(const char *arch,
if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml", abs_srcdir, arch, name) < 0) if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml", abs_srcdir, arch, name) < 0)
goto cleanup; goto cleanup;
if (!(doc = virXMLParseFile(xml)) || if (!(doc = virXMLParseFileCtxt(xml, &ctxt)))
!(ctxt = xmlXPathNewContext(doc)))
goto error; goto error;
ctxt->node = xmlDocGetRootElement(doc);
n = virXPathNodeSet("/cpuTest/cpu", ctxt, &nodes); n = virXPathNodeSet("/cpuTest/cpu", ctxt, &nodes);
if (n <= 0 || !(cpus = calloc(n, sizeof(virCPUDefPtr)))) if (n <= 0 || !(cpus = calloc(n, sizeof(virCPUDefPtr))))
goto error; goto error;

84
tools/virsh.c
View File

@ -67,6 +67,8 @@ static char *progname;
#define VSH_PROMPT_RW "virsh # " #define VSH_PROMPT_RW "virsh # "
#define VSH_PROMPT_RO "virsh > " #define VSH_PROMPT_RO "virsh > "
#define VIR_FROM_THIS VIR_FROM_NONE
#define GETTIMEOFDAY(T) gettimeofday(T, NULL) #define GETTIMEOFDAY(T) gettimeofday(T, NULL)
#define DIFF_MSEC(T, U) \ #define DIFF_MSEC(T, U) \
((((int) ((T)->tv_sec - (U)->tv_sec)) * 1000000.0 + \ ((((int) ((T)->tv_sec - (U)->tv_sec)) * 1000000.0 + \
@ -2901,16 +2903,11 @@ cmdFreecell(vshControl *ctl, const vshCmd *cmd)
goto cleanup; goto cleanup;
} }
xml = xmlReadDoc((const xmlChar *) cap_xml, "node.xml", NULL, xml = virXMLParseStringCtxt(cap_xml, "node.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) { if (!xml) {
vshError(ctl, "%s", _("unable to get node capabilities")); vshError(ctl, "%s", _("unable to get node capabilities"));
goto cleanup; goto cleanup;
} }
ctxt = xmlXPathNewContext(xml);
nodes_cnt = virXPathNodeSet("/capabilities/host/topology/cells/cell", nodes_cnt = virXPathNodeSet("/capabilities/host/topology/cells/cell",
ctxt, &nodes); ctxt, &nodes);
@ -8404,13 +8401,9 @@ makeCloneXML(const char *origxml, const char *newname) {
xmlChar *newxml = NULL; xmlChar *newxml = NULL;
int size; int size;
doc = xmlReadDoc((const xmlChar *) origxml, "domain.xml", NULL, doc = virXMLParseStringCtxt(origxml, "domain.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET | XML_PARSE_NOWARNING);
if (!doc) if (!doc)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(doc);
if (!ctxt)
goto cleanup;
obj = xmlXPathEval(BAD_CAST "/volume/name", ctxt); obj = xmlXPathEval(BAD_CAST "/volume/name", ctxt);
if ((obj == NULL) || (obj->nodesetval == NULL) || if ((obj == NULL) || (obj->nodesetval == NULL) ||
@ -10199,15 +10192,10 @@ cmdVNCDisplay(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
goto cleanup; goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL, xml = virXMLParseStringCtxt(doc, "domain.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
VIR_FREE(doc); VIR_FREE(doc);
if (!xml) if (!xml)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
goto cleanup;
obj = xmlXPathEval(BAD_CAST "string(/domain/devices/graphics[@type='vnc']/@port)", ctxt); obj = xmlXPathEval(BAD_CAST "string(/domain/devices/graphics[@type='vnc']/@port)", ctxt);
if ((obj == NULL) || (obj->type != XPATH_STRING) || if ((obj == NULL) || (obj->type != XPATH_STRING) ||
@ -10272,15 +10260,10 @@ cmdTTYConsole(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
goto cleanup; goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL, xml = virXMLParseStringCtxt(doc, "domain.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
VIR_FREE(doc); VIR_FREE(doc);
if (!xml) if (!xml)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
goto cleanup;
obj = xmlXPathEval(BAD_CAST "string(/domain/devices/console/@tty)", ctxt); obj = xmlXPathEval(BAD_CAST "string(/domain/devices/console/@tty)", ctxt);
if ((obj == NULL) || (obj->type != XPATH_STRING) || if ((obj == NULL) || (obj->type != XPATH_STRING) ||
@ -10664,19 +10647,12 @@ cmdDetachInterface(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
goto cleanup; goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL, xml = virXMLParseStringCtxt(doc, "domain.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
VIR_FREE(doc); VIR_FREE(doc);
if (!xml) { if (!xml) {
vshError(ctl, "%s", _("Failed to get interface information")); vshError(ctl, "%s", _("Failed to get interface information"));
goto cleanup; goto cleanup;
} }
ctxt = xmlXPathNewContext(xml);
if (!ctxt) {
vshError(ctl, "%s", _("Failed to get interface information"));
goto cleanup;
}
snprintf(buf, sizeof(buf), "/domain/devices/interface[@type='%s']", type); snprintf(buf, sizeof(buf), "/domain/devices/interface[@type='%s']", type);
obj = xmlXPathEval(BAD_CAST buf, ctxt); obj = xmlXPathEval(BAD_CAST buf, ctxt);
@ -11138,19 +11114,12 @@ cmdDetachDisk(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
goto cleanup; goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL, xml = virXMLParseStringCtxt(doc, "domain.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
VIR_FREE(doc); VIR_FREE(doc);
if (!xml) { if (!xml) {
vshError(ctl, "%s", _("Failed to get disk information")); vshError(ctl, "%s", _("Failed to get disk information"));
goto cleanup; goto cleanup;
} }
ctxt = xmlXPathNewContext(xml);
if (!ctxt) {
vshError(ctl, "%s", _("Failed to get disk information"));
goto cleanup;
}
obj = xmlXPathEval(BAD_CAST "/domain/devices/disk", ctxt); obj = xmlXPathEval(BAD_CAST "/domain/devices/disk", ctxt);
if ((obj == NULL) || (obj->type != XPATH_NODESET) || if ((obj == NULL) || (obj->type != XPATH_NODESET) ||
@ -11865,14 +11834,9 @@ cmdSnapshotCreate(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
goto cleanup; goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domainsnapshot.xml", NULL, xml = virXMLParseStringCtxt(doc, "domainsnapshot.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) if (!xml)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
goto cleanup;
name = virXPathString("string(/domainsnapshot/name)", ctxt); name = virXPathString("string(/domainsnapshot/name)", ctxt);
if (!name) { if (!name) {
@ -11974,14 +11938,9 @@ cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
goto cleanup; goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domainsnapshot.xml", NULL, xml = virXMLParseStringCtxt(doc, "domainsnapshot.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) if (!xml)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
goto cleanup;
parsed_name = virXPathString("string(/domainsnapshot/name)", ctxt); parsed_name = virXPathString("string(/domainsnapshot/name)", ctxt);
if (!parsed_name) { if (!parsed_name) {
@ -12056,16 +12015,9 @@ cmdSnapshotCurrent(vshControl *ctl, const vshCmd *cmd)
xmlDocPtr xmldoc = NULL; xmlDocPtr xmldoc = NULL;
xmlXPathContextPtr ctxt = NULL; xmlXPathContextPtr ctxt = NULL;
xmldoc = xmlReadDoc((const xmlChar *) xml, "domainsnapshot.xml", xmldoc = virXMLParseStringCtxt(xml, "domainsnapshot.xml", &ctxt);
NULL, XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xmldoc) if (!xmldoc)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(xmldoc);
if (!ctxt) {
xmlFreeDoc(xmldoc);
goto cleanup;
}
name = virXPathString("string(/domainsnapshot/name)", ctxt); name = virXPathString("string(/domainsnapshot/name)", ctxt);
xmlXPathFreeContext(ctxt); xmlXPathFreeContext(ctxt);
@ -12165,14 +12117,9 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
if (!doc) if (!doc)
continue; continue;
xml = xmlReadDoc((const xmlChar *) doc, "domainsnapshot.xml", NULL, xml = virXMLParseStringCtxt(doc, "domainsnapshot.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) if (!xml)
continue; continue;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
continue;
state = virXPathString("string(/domainsnapshot/state)", ctxt); state = virXPathString("string(/domainsnapshot/state)", ctxt);
if (state == NULL) if (state == NULL)
@ -12312,14 +12259,9 @@ cmdSnapshotParent(vshControl *ctl, const vshCmd *cmd)
if (!xml) if (!xml)
goto cleanup; goto cleanup;
xmldoc = xmlReadDoc((const xmlChar *) xml, "domainsnapshot.xml", NULL, xmldoc = virXMLParseStringCtxt(xml, "domainsnapshot.xml", &ctxt);
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xmldoc) if (!xmldoc)
goto cleanup; goto cleanup;
ctxt = xmlXPathNewContext(xmldoc);
if (!ctxt)
goto cleanup;
parent = virXPathString("string(/domainsnapshot/parent/name)", ctxt); parent = virXPathString("string(/domainsnapshot/parent/name)", ctxt);
if (!parent) if (!parent)