1 files changed, 120 insertions, 0 deletions
diff --git a/src/rc-depend.c b/src/rc-depend.c
new file mode 100644
index 0000000..9d0b3af
--- /dev/null
+++ b/src/rc-depend.c
@@ -0,0 +1,120 @@
+/*
+   rc-depend
+   rc service dependency and ordering
+   Copyright 2006-2007 Gentoo Foundation
+   Released under the GPLv2
+   */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "einfo.h"
+#include "rc.h"
+#include "rc-misc.h"
+#include "strlist.h"
+
+int main (int argc, char **argv)
+{
+  char **types = NULL;
+  char **services = NULL;
+  char **depends = NULL;
+  rc_depinfo_t *deptree = NULL;
+  rc_depinfo_t *di;
+  char *service;
+  int options = RC_DEP_TRACE;
+  bool first = true;
+  int i;
+  bool update = false;
+  char *runlevel = getenv ("RC_SOFTLEVEL");
+
+  if (! runlevel)
+    runlevel = rc_get_runlevel ();
+
+  for (i = 1; i < argc; i++)
+    {
+      if (strcmp (argv[i], "--update") == 0)
+	{
+	  if (! update)
+	    {
+	      rc_update_deptree (true);
+	      update = true;
+	    }
+	  continue;
+	}
+
+      if (strcmp (argv[i], "--strict") == 0)
+	{
+	  options |= RC_DEP_STRICT;
+	  continue;
+	}
+
+      if (strcmp (argv[i], "--notrace") == 0)
+	{
+	  options &= RC_DEP_TRACE;
+	  continue;
+	}
+
+      if (argv[i][0] == '-')
+	{
+	  argv[i]++;
+	  types = rc_strlist_add (types, argv[i]);
+	}
+      else
+	{
+	  if ((deptree = rc_load_deptree ()) == NULL)
+	    eerrorx ("failed to load deptree");
+
+	  di = rc_get_depinfo (deptree, argv[i]);
+	  if (! di)
+	    eerror ("no dependency info for service `%s'", argv[i]);
+	  else
+	    services = rc_strlist_add (services, argv[i]);
+	}
+    }
+
+  if (! services)
+    {
+      rc_strlist_free (types);
+      rc_free_deptree (deptree);
+      if (update)
+	return (EXIT_SUCCESS);
+      eerrorx ("no services specified");
+    }
+
+  /* If we don't have any types, then supply some defaults */
+  if (! types)
+    {
+      types = rc_strlist_add (NULL, "ineed");
+      rc_strlist_add (types, "iuse");
+    }
+
+  depends = rc_get_depends (deptree, types, services, runlevel, options);
+
+  if (depends)
+    {
+      STRLIST_FOREACH (depends, service, i)
+	{
+	  if (first)
+	    first = false;
+	  else
+	    printf (" ");
+
+	  if (service)
+	    printf ("%s", service);
+
+	}
+      printf ("\n");
+    }
+
+  rc_strlist_free (types);
+  rc_strlist_free (services);
+  rc_strlist_free (depends);
+  rc_free_deptree (deptree);
+
+  return (EXIT_SUCCESS);
+}