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-rw-r--r--src/basic/proc-cmdline.c29
-rw-r--r--src/basic/proc-cmdline.h1
-rw-r--r--src/test/test-util.c8
3 files changed, 38 insertions, 0 deletions
diff --git a/src/basic/proc-cmdline.c b/src/basic/proc-cmdline.c
index dd91ce7dbc..f9f98af473 100644
--- a/src/basic/proc-cmdline.c
+++ b/src/basic/proc-cmdline.c
@@ -26,6 +26,7 @@
#include "parse-util.h"
#include "proc-cmdline.h"
#include "process-util.h"
+#include "special.h"
#include "string-util.h"
#include "util.h"
#include "virt.h"
@@ -143,3 +144,31 @@ int shall_restore_state(void) {
return parse_boolean(value) != 0;
}
+
+static const char * const rlmap[] = {
+ "emergency", SPECIAL_EMERGENCY_TARGET,
+ "-b", SPECIAL_EMERGENCY_TARGET,
+ "rescue", SPECIAL_RESCUE_TARGET,
+ "single", SPECIAL_RESCUE_TARGET,
+ "-s", SPECIAL_RESCUE_TARGET,
+ "s", SPECIAL_RESCUE_TARGET,
+ "S", SPECIAL_RESCUE_TARGET,
+ "1", SPECIAL_RESCUE_TARGET,
+ "2", SPECIAL_MULTI_USER_TARGET,
+ "3", SPECIAL_MULTI_USER_TARGET,
+ "4", SPECIAL_MULTI_USER_TARGET,
+ "5", SPECIAL_GRAPHICAL_TARGET,
+};
+
+const char* runlevel_to_target(const char *word) {
+ size_t i;
+
+ if (!word)
+ return NULL;
+
+ for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
+ if (streq(word, rlmap[i]))
+ return rlmap[i+1];
+
+ return NULL;
+}
diff --git a/src/basic/proc-cmdline.h b/src/basic/proc-cmdline.h
index ea8277b053..ce6e84995a 100644
--- a/src/basic/proc-cmdline.h
+++ b/src/basic/proc-cmdline.h
@@ -26,3 +26,4 @@ int parse_proc_cmdline(int (*parse_word)(const char *key, const char *value));
int get_proc_cmdline_key(const char *parameter, char **value);
int shall_restore_state(void);
+const char* runlevel_to_target(const char *rl);
diff --git a/src/test/test-util.c b/src/test/test-util.c
index 647df4f5c3..f6ed55878c 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -48,6 +48,7 @@
#include "process-util.h"
#include "rm-rf.h"
#include "signal-util.h"
+#include "special.h"
#include "stat-util.h"
#include "string-util.h"
#include "strv.h"
@@ -1638,6 +1639,12 @@ cleanup:
assert_se(rmdir(t) >= 0);
}
+static void test_runlevel_to_target(void) {
+ assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
+ assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
+ assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET));
+}
+
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
@@ -1718,6 +1725,7 @@ int main(int argc, char *argv[]) {
test_tempfn();
test_strcmp_ptr();
test_fgetxattrat_fake();
+ test_runlevel_to_target();
return 0;
}