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