File 5dd607059-add-virNetDevGetName.patch of Package libvirt.6841

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File 5dd607059-add-virNetDevGetName.patch of Package libvirt.6841

From 5dd607059d8a98e04024305ae4afbd038aadbdcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Bosdonnat?= <cbosdonnat@suse.com>
Date: Wed, 15 Mar 2017 14:46:56 +0100
Subject: [PATCH 4/5] util: add virNetDevGetName() function

Add a function getting the name of a network interface out of its index.
---
 src/libvirt_private.syms |  1 +
 src/util/virnetdev.c     | 19 +++++++++++++++++++
 src/util/virnetdev.h     |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index f03925bc1..3b2cb83c4 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1995,6 +1995,7 @@ virNetDevGetIndex;
 virNetDevGetLinkInfo;
 virNetDevGetMAC;
 virNetDevGetMTU;
+virNetDevGetName;
 virNetDevGetOnline;
 virNetDevGetPhysicalFunction;
 virNetDevGetPromiscuous;
diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
index d12324878..91a5274aa 100644
--- a/src/util/virnetdev.c
+++ b/src/util/virnetdev.c
@@ -899,6 +899,25 @@ virNetDevGetRcvAllMulti(const char *ifname,
     return virNetDevGetIFFlag(ifname, VIR_IFF_ALLMULTI, receive);
 }
 
+char *virNetDevGetName(int ifindex)
+{
+    char name[IFNAMSIZ];
+    char *ifname = NULL;
+
+    memset(&name, 0, sizeof(name));
+
+    if (!if_indextoname(ifindex, name)) {
+        virReportSystemError(errno,
+                             _("Failed to convert interface index %d to a name"),
+                             ifindex);
+        goto cleanup;
+    }
+
+   ignore_value(VIR_STRDUP(ifname, name));
+
+ cleanup:
+     return ifname;
+}
 
 /**
  * virNetDevGetIndex:
diff --git a/src/util/virnetdev.h b/src/util/virnetdev.h
index 236cf83ef..01e9c5b95 100644
--- a/src/util/virnetdev.h
+++ b/src/util/virnetdev.h
@@ -157,6 +157,8 @@ int virNetDevSetNamespace(const char *ifname, pid_t pidInNs)
 int virNetDevSetName(const char *ifname, const char *newifname)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
 
+char *virNetDevGetName(int ifindex)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
 int virNetDevGetIndex(const char *ifname, int *ifindex)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
 
-- 
2.12.0

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File 5dd607059-add-virNetDevGetName.patch of Package libvirt.6841

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