Most other buffer APIs tolerate the buffer being NULL.
Signed-off-by: Peter Krempa <pkrempa(a)redhat.com>
---
src/util/virbuffer.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/util/virbuffer.c b/src/util/virbuffer.c
index 1a6bf122e0..3d6defb73a 100644
--- a/src/util/virbuffer.c
+++ b/src/util/virbuffer.c
@@ -883,6 +883,9 @@ virBufferStrcat(virBufferPtr buf, ...)
{
va_list ap;
+ if (!buf)
+ return;
+
va_start(ap, buf);
virBufferStrcatVArgs(buf, ap);
va_end(ap);
--
2.16.2