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[Xen-devel] [PATCH v6 14/18] libxl: introduce libxl_key_value_list_length



Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/libxl/libxl.c |   13 +++++++++++++
 tools/libxl/libxl.h |    1 +
 2 files changed, 14 insertions(+)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 0ce9153..a5ed1e2 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -216,6 +216,19 @@ int libxl_string_list_length(const libxl_string_list *psl)
     return i;
 }
 
+int libxl_key_value_list_length(libxl_key_value_list *pkvl)
+{
+    int i = 0;
+    libxl_key_value_list kvl = *pkvl;
+
+    if (kvl) {
+        while (kvl[2 * i]) /* Only checks keys */
+            i++;
+    }
+
+    return i;
+}
+
 void libxl_key_value_list_dispose(libxl_key_value_list *pkvl)
 {
     int i;
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index 1fad0d2..3e3d913 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -567,6 +567,7 @@ int libxl_string_list_length(const libxl_string_list *sl);
 
 typedef char **libxl_key_value_list;
 void libxl_key_value_list_dispose(libxl_key_value_list *kvl);
+int libxl_key_value_list_length(libxl_key_value_list *kvl);
 
 typedef uint32_t libxl_hwcap[8];
 
-- 
1.7.10.4


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