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[Xen-devel] [PATCH v2 2/5] libxl: add libxl__xs_path_cleanup



Add a function which behaves like "xenstore-rm -t", and which will be used to
clean xenstore after unplug since we will be no longer executing
xen-hotplug-cleanup script, that used to do that for us.

Signed-off-by: Roger Pau Monne <roger.pau@xxxxxxxxxx>
---
 tools/libxl/libxl_device.c |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c
index c7e057d..fe4bcc6 100644
--- a/tools/libxl/libxl_device.c
+++ b/tools/libxl/libxl_device.c
@@ -356,6 +356,27 @@ int libxl__device_disk_dev_number(const char *virtpath, 
int *pdisk,
     return -1;
 }
 
+static int libxl__xs_path_cleanup(libxl__gc *gc, char *path)
+{
+    libxl_ctx *ctx = libxl__gc_owner(gc);
+    unsigned int nb = 0;
+    char *last;
+
+    if (!path)
+        return 0;
+
+    xs_rm(ctx->xsh, XBT_NULL, path);
+
+    for (last = strrchr(path, '/'); last != NULL; last = strrchr(path, '/')) {
+        *last = '\0';
+        if (!libxl__xs_directory(gc, XBT_NULL, path, &nb))
+            continue;
+        if (nb == 0) {
+            xs_rm(ctx->xsh, XBT_NULL, path);
+        }
+    }
+    return 0;
+}
 
 typedef struct {
     libxl__ao *ao;
-- 
1.7.7.5 (Apple Git-26)


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