[libvirt] [PATCH 09/20] Add API for copying instances of the qemuCapsPtr object
From: "Daniel P. Berrange" <berrange(a)redhat.com>
To allow each VM instance to record additional capabilities
without affecting other VMs, there needs to be a way to do
a deep copy of the qemuCapsPtr object
---
src/qemu/qemu_capabilities.c | 47 ++++++++++++++++++++++++++++++++++++++++++++
src/qemu/qemu_capabilities.h | 1 +
2 files changed, 48 insertions(+)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 1e36e4b..bc45c52 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -1723,6 +1723,53 @@ no_memory:
}
+qemuCapsPtr qemuCapsNewCopy(qemuCapsPtr caps)
+{
+ qemuCapsPtr ret = qemuCapsNew();
+ size_t i;
+
+ if (!ret)
+ return NULL;
+
+ virBitmapCopy(ret->flags, caps->flags);
+
+ ret->version = caps->version;
+ ret->kvmVersion = caps->kvmVersion;
+
+ if (caps->arch &&
+ !(ret->arch = strdup(caps->arch)))
+ goto no_memory;
+
+ if (VIR_ALLOC_N(ret->cpuDefinitions, caps->ncpuDefinitions) < 0)
+ goto no_memory;
+ ret->ncpuDefinitions = caps->ncpuDefinitions;
+ for (i = 0 ; i < caps->ncpuDefinitions ; i++) {
+ if (!(ret->cpuDefinitions[i] = strdup(caps->cpuDefinitions[i])))
+ goto no_memory;
+ }
+
+ if (VIR_ALLOC_N(ret->machineTypes, caps->nmachineTypes) < 0)
+ goto no_memory;
+ if (VIR_ALLOC_N(ret->machineAliases, caps->nmachineTypes) < 0)
+ goto no_memory;
+ ret->nmachineTypes = caps->nmachineTypes;
+ for (i = 0 ; i < caps->nmachineTypes ; i++) {
+ if (!(ret->machineTypes[i] = strdup(caps->machineTypes[i])))
+ goto no_memory;
+ if (caps->machineAliases[i] &&
+ !(ret->machineAliases[i] = strdup(caps->machineAliases[i])))
+ goto no_memory;
+ }
+
+ return ret;
+
+no_memory:
+ virReportOOMError();
+ virObjectUnref(ret);
+ return NULL;
+}
+
+
void qemuCapsDispose(void *obj)
{
qemuCapsPtr caps = obj;
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index c6e3756..cd104c0 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -149,6 +149,7 @@ typedef struct _qemuCaps qemuCaps;
typedef qemuCaps *qemuCapsPtr;
qemuCapsPtr qemuCapsNew(void);
+qemuCapsPtr qemuCapsNewCopy(qemuCapsPtr caps);
void qemuCapsSet(qemuCapsPtr caps,
enum qemuCapsFlags flag) ATTRIBUTE_NONNULL(1);
--
1.7.11.4