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-rw-r--r--src/rc-depend.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/src/rc-depend.c b/src/rc-depend.c
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--- /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);
+}