New API: debug-cmdline for printing QEMU command line (internal only).

This is an internal-only debugging API so may be changed or
removed at any time in the future.

1 files changed, 24 insertions, 0 deletions

diff --git a/src/launch.c b/src/launch.c
index 48ddb8df..e4f4728f 100644
--- a/src/launch.c
+++ b/src/launch.c
@@ -120,6 +120,30 @@ guestfs___rollback_cmdline (guestfs_h *g, int pos)
   g->cmdline_size = pos;
 }
 
+/* Internal command to return the command line. */
+char **
+guestfs__debug_cmdline (guestfs_h *g)
+{
+  int i;
+  char **r;
+
+  if (g->cmdline == NULL) {
+    r = safe_malloc (g, sizeof (char *) * 1);
+    r[0] = NULL;
+    return r;
+  }
+
+  r = safe_malloc (g, sizeof (char *) * (g->cmdline_size + 1));
+  r[0] = safe_strdup (g, g->qemu); /* g->cmdline[0] is always NULL */
+
+  for (i = 1; i < g->cmdline_size; ++i)
+    r[i] = safe_strdup (g, g->cmdline[i]);
+
+  r[g->cmdline_size] = NULL;
+
+  return r;                     /* caller frees */
+}
+
 int
 guestfs__config (guestfs_h *g,
                  const char *qemu_param, const char *qemu_value)