libxl: remove xs_writev function

It isn't actually being used to write a vector at the only callsite
and can easily be implemented using xs_write.

Furthermore the old implementation used to leak both the key and value
strings.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
committer: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

1 files changed, 0 insertions, 20 deletions

diff --git a/tools/libxl/libxl_xshelp.c b/tools/libxl/libxl_xshelp.c
index 4840ededc8..3dc9239bcb 100644
--- a/tools/libxl/libxl_xshelp.c
+++ b/tools/libxl/libxl_xshelp.c
@@ -24,26 +24,6 @@
 #include "libxl.h"
 #include "libxl_internal.h"
 
-int xs_writev(struct xs_handle *xsh, xs_transaction_t t, char *dir, char *kvs[])
-{
-    char *path;
-    int i;
-
-    if (!kvs)
-        return 0;
-
-    for (i = 0; kvs[i] != NULL; i += 2) {
-        if (asprintf(&path, "%s/%s", dir, kvs[i]) < 0)
-            return -1;
-        if (path && kvs[i + 1]) {
-            int length = strlen(kvs[i + 1]);
-            xs_write(xsh, t, path, kvs[i + 1], length);
-        }
-        free(path);
-    }
-    return 0;
-}
-
 char **libxl__xs_kvs_of_flexarray(libxl__gc *gc, flexarray_t *array, int length)
 {
     char **kvs;