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[libvirt] [PATCH 06/24] util: buffer: Add virBufferStrcatVArgs



Split out the worker loop into a separate function and export it.
---
 src/libvirt_private.syms |  1 +
 src/util/virbuffer.c     | 27 +++++++++++++++++++++------
 src/util/virbuffer.h     |  2 ++
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index fa2cd08fe..588b76b43 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1345,6 +1345,7 @@ virBufferFreeAndReset;
 virBufferGetIndent;
 virBufferSetIndent;
 virBufferStrcat;
+virBufferStrcatVArgs;
 virBufferTrim;
 virBufferURIEncodeString;
 virBufferUse;
diff --git a/src/util/virbuffer.c b/src/util/virbuffer.c
index f07b119c0..28a291bb0 100644
--- a/src/util/virbuffer.c
+++ b/src/util/virbuffer.c
@@ -831,6 +831,26 @@ virBufferEscapeShell(virBufferPtr buf, const char *str)
 }

 /**
+ * virBufferStrcatVArgs:
+ * @buf: the buffer to append to
+ * @ap: variable argument structure
+ *
+ * See virBufferStrcat.
+ */
+void
+virBufferStrcatVArgs(virBufferPtr buf,
+                     va_list ap)
+{
+    char *str;
+
+    if (buf->error)
+        return;
+
+    while ((str = va_arg(ap, char *)) != NULL)
+        virBufferAdd(buf, str, -1);
+}
+
+/**
  * virBufferStrcat:
  * @buf: the buffer to append to
  * @...: the variable list of strings, the last argument must be NULL
@@ -842,14 +862,9 @@ void
 virBufferStrcat(virBufferPtr buf, ...)
 {
     va_list ap;
-    char *str;
-
-    if (buf->error)
-        return;

     va_start(ap, buf);
-    while ((str = va_arg(ap, char *)) != NULL)
-        virBufferAdd(buf, str, -1);
+    virBufferStrcatVArgs(buf, ap);
     va_end(ap);
 }

diff --git a/src/util/virbuffer.h b/src/util/virbuffer.h
index 7a7014aa7..f34217968 100644
--- a/src/util/virbuffer.h
+++ b/src/util/virbuffer.h
@@ -80,6 +80,8 @@ void virBufferVasprintf(virBufferPtr buf, const char *format, va_list ap)
   ATTRIBUTE_FMT_PRINTF(2, 0);
 void virBufferStrcat(virBufferPtr buf, ...)
   ATTRIBUTE_SENTINEL;
+void virBufferStrcatVArgs(virBufferPtr buf, va_list ap);
+
 void virBufferEscape(virBufferPtr buf, char escape, const char *toescape,
                      const char *format, const char *str);
 void virBufferEscapeN(virBufferPtr buf, const char *format,
-- 
2.13.2


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