1 files changed, 94 insertions, 0 deletions
diff --git a/src/libshared/condition.h b/src/libshared/condition.h
new file mode 100644
index 0000000000..bdda04b770
--- /dev/null
+++ b/src/libshared/condition.h
@@ -0,0 +1,94 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "list.h"
+#include "macro.h"
+
+typedef enum ConditionType {
+        CONDITION_ARCHITECTURE,
+        CONDITION_VIRTUALIZATION,
+        CONDITION_HOST,
+        CONDITION_KERNEL_COMMAND_LINE,
+        CONDITION_SECURITY,
+        CONDITION_CAPABILITY,
+        CONDITION_AC_POWER,
+
+        CONDITION_NEEDS_UPDATE,
+        CONDITION_FIRST_BOOT,
+
+        CONDITION_PATH_EXISTS,
+        CONDITION_PATH_EXISTS_GLOB,
+        CONDITION_PATH_IS_DIRECTORY,
+        CONDITION_PATH_IS_SYMBOLIC_LINK,
+        CONDITION_PATH_IS_MOUNT_POINT,
+        CONDITION_PATH_IS_READ_WRITE,
+        CONDITION_DIRECTORY_NOT_EMPTY,
+        CONDITION_FILE_NOT_EMPTY,
+        CONDITION_FILE_IS_EXECUTABLE,
+
+        CONDITION_NULL,
+
+        _CONDITION_TYPE_MAX,
+        _CONDITION_TYPE_INVALID = -1
+} ConditionType;
+
+typedef enum ConditionResult {
+        CONDITION_UNTESTED,
+        CONDITION_SUCCEEDED,
+        CONDITION_FAILED,
+        CONDITION_ERROR,
+        _CONDITION_RESULT_MAX,
+        _CONDITION_RESULT_INVALID = -1
+} ConditionResult;
+
+typedef struct Condition {
+        ConditionType type:8;
+
+        bool trigger:1;
+        bool negate:1;
+
+        ConditionResult result:6;
+
+        char *parameter;
+
+        LIST_FIELDS(struct Condition, conditions);
+} Condition;
+
+Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate);
+void condition_free(Condition *c);
+Condition* condition_free_list(Condition *c);
+
+int condition_test(Condition *c);
+
+void condition_dump(Condition *c, FILE *f, const char *prefix, const char *(*to_string)(ConditionType t));
+void condition_dump_list(Condition *c, FILE *f, const char *prefix, const char *(*to_string)(ConditionType t));
+
+const char* condition_type_to_string(ConditionType t) _const_;
+ConditionType condition_type_from_string(const char *s) _pure_;
+
+const char* assert_type_to_string(ConditionType t) _const_;
+ConditionType assert_type_from_string(const char *s) _pure_;
+
+const char* condition_result_to_string(ConditionResult r) _const_;
+ConditionResult condition_result_from_string(const char *s) _pure_;