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Use a separate buffer for <filesystem><driver>

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Format the attributes in a separate buffer and only
print the element if it's not empty.
This commit is contained in:
Ján Tomko 2016-08-22 17:45:18 +02:00
parent 5e5fc76625
commit 8d704e6cf7
1 changed files with 9 additions and 3 deletions
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12
src/conf/domain_conf.c
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@ -21388,6 +21388,7 @@ virDomainFSDefFormat(virBufferPtr buf,
const char *fsdriver = virDomainFSDriverTypeToString(def->fsdriver);
const char *wrpolicy = virDomainFSWrpolicyTypeToString(def->wrpolicy);
const char *src = def->src->path;
virBuffer driverBuf = VIR_BUFFER_INITIALIZER;
if (!type) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@ -21407,16 +21408,21 @@ virDomainFSDefFormat(virBufferPtr buf,
type, accessmode);
virBufferAdjustIndent(buf, 2);
if (def->fsdriver) {
virBufferAsprintf(buf, "<driver type='%s'", fsdriver);
virBufferAsprintf(&driverBuf, " type='%s'", fsdriver);
if (def->format)
virBufferAsprintf(buf, " format='%s'",
virBufferAsprintf(&driverBuf, " format='%s'",
virStorageFileFormatTypeToString(def->format));
/* Don't generate anything if wrpolicy is set to default */
if (def->wrpolicy)
virBufferAsprintf(buf, " wrpolicy='%s'", wrpolicy);
virBufferAsprintf(&driverBuf, " wrpolicy='%s'", wrpolicy);
}
if (virBufferUse(&driverBuf)) {
virBufferAddLit(buf, "<driver");
virBufferAddBuffer(buf, &driverBuf);
virBufferAddLit(buf, "/>\n");
}