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From 0d7d69ef2dc65cc9bbfe63b9f6304aa9232636d8 Mon Sep 17 00:00:00 2001
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Message-Id: <0d7d69ef2dc65cc9bbfe63b9f6304aa9232636d8@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Wed, 26 Feb 2014 14:54:49 +0100
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Subject: [PATCH] conf: Add functions to copy and free network disk source
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 definitions
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https://bugzilla.redhat.com/show_bug.cgi?id=1032370
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To simplify operations on virDomainDiskHostDef arrays we will need deep
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copy and freeing functions. Add and properly export them.
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(cherry picked from commit ae361674aca64b97288b81874b8e565e12f685e0)
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/conf/domain_conf.c   | 55 +++++++++++++++++++++++++++++++++++++++++++++---
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 src/conf/domain_conf.h   |  3 +++
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 src/libvirt_private.syms |  2 ++
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 3 files changed, 57 insertions(+), 3 deletions(-)
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index cec0236..4e182f1 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -1211,9 +1211,7 @@ void virDomainDiskDefFree(virDomainDiskDefPtr def)
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         VIR_FREE(def->seclabels);
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     }
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-    for (i = 0; i < def->nhosts; i++)
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-        virDomainDiskHostDefClear(&def->hosts[i]);
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-    VIR_FREE(def->hosts);
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+    virDomainDiskHostDefFree(def->nhosts, def->hosts);
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     VIR_FREE(def);
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 }
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@@ -1228,6 +1226,57 @@ void virDomainDiskHostDefClear(virDomainDiskHostDefPtr def)
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     VIR_FREE(def->socket);
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 }
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+
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+void
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+virDomainDiskHostDefFree(size_t nhosts,
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+                         virDomainDiskHostDefPtr hosts)
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+{
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+    size_t i;
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+
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+    if (!hosts)
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+        return;
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+
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+    for (i = 0; i < nhosts; i++)
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+        virDomainDiskHostDefClear(&hosts[i]);
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+
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+    VIR_FREE(hosts);
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+}
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+
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+
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+virDomainDiskHostDefPtr
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+virDomainDiskHostDefCopy(size_t nhosts,
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+                         virDomainDiskHostDefPtr hosts)
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+{
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+    virDomainDiskHostDefPtr ret = NULL;
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+    size_t i;
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+
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+    if (VIR_ALLOC_N(ret, nhosts) < 0)
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+        goto error;
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+
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+    for (i = 0; i < nhosts; i++) {
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+        virDomainDiskHostDefPtr src = &hosts[i];
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+        virDomainDiskHostDefPtr dst = &ret[i];
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+
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+        dst->transport = src->transport;
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+
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+        if (VIR_STRDUP(dst->name, src->name) < 0)
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+            goto error;
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+
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+        if (VIR_STRDUP(dst->port, src->port) < 0)
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+            goto error;
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+
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+        if (VIR_STRDUP(dst->socket, src->socket) < 0)
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+            goto error;
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+    }
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+
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+    return ret;
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+
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+error:
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+    virDomainDiskHostDefFree(nhosts, ret);
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+    return NULL;
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+}
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+
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+
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 void virDomainControllerDefFree(virDomainControllerDefPtr def)
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 {
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     if (!def)
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diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
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index fa81fa1..3d8666a 100644
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--- a/src/conf/domain_conf.h
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+++ b/src/conf/domain_conf.h
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@@ -2210,6 +2210,9 @@ void virDomainInputDefFree(virDomainInputDefPtr def);
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 void virDomainDiskDefFree(virDomainDiskDefPtr def);
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 void virDomainLeaseDefFree(virDomainLeaseDefPtr def);
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 void virDomainDiskHostDefClear(virDomainDiskHostDefPtr def);
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+void virDomainDiskHostDefFree(size_t nhosts, virDomainDiskHostDefPtr hosts);
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+virDomainDiskHostDefPtr virDomainDiskHostDefCopy(size_t nhosts,
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+                                                 virDomainDiskHostDefPtr hosts);
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 int virDomainDeviceFindControllerModel(virDomainDefPtr def,
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                                        virDomainDeviceInfoPtr info,
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                                        int controllerType);
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diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
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index 4d80130..827b1ec 100644
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--- a/src/libvirt_private.syms
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+++ b/src/libvirt_private.syms
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@@ -196,6 +196,8 @@ virDomainDiskFindByBusAndDst;
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 virDomainDiskGeometryTransTypeFromString;
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 virDomainDiskGeometryTransTypeToString;
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 virDomainDiskHostDefClear;
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+virDomainDiskHostDefCopy;
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+virDomainDiskHostDefFree;
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 virDomainDiskIndexByName;
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 virDomainDiskInsert;
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 virDomainDiskInsertPreAlloced;
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-- 
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1.9.0
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