lib: Fix use-after-free bug in XPath parsing code.

[libguestfs.git] / src / guestfs.c

diff --git a/src/guestfs.c b/src/guestfs.c
index b151226..79fc5bf 100644 (file)
--- a/src/guestfs.c
+++ b/src/guestfs.c
@@ -189,10 +189,8 @@ guestfs_close (guestfs_h *g)
   guestfs___free_inspect_info (g);
 
   /* Try to sync if autosync flag is set. */
-  if (g->autosync && g->state == READY) {
-    guestfs_umount_all (g);
-    guestfs_sync (g);
-  }
+  if (g->autosync && g->state == READY)
+    guestfs_internal_autosync (g);
 
   /* Remove any handlers that might be called back before we kill the
    * subprocess.
@@ -427,6 +425,22 @@ guestfs_safe_memdup (guestfs_h *g, void *ptr, size_t size)
   return p;
 }
 
+char *
+guestfs_safe_asprintf (guestfs_h *g, const char *fs, ...)
+{
+  va_list args;
+  char *msg;
+
+  va_start (args, fs);
+  int err = vasprintf (&msg, fs, args);
+  va_end (args);
+
+  if (err == -1)
+    g->abort_cb ();
+
+  return msg;
+}
+
 void
 guestfs_set_out_of_memory_handler (guestfs_h *g, guestfs_abort_cb cb)
 {
@@ -776,6 +790,12 @@ guestfs___print_BufferIn (FILE *out, const char *buf, size_t buf_size)
 }
 
 void
+guestfs___print_BufferOut (FILE *out, const char *buf, size_t buf_size)
+{
+  guestfs___print_BufferIn (out, buf, buf_size);
+}
+
+void
 guestfs___free_string_list (char **argv)
 {
   size_t i;