From 3ef63c317481c2b3f1fe39e1b0f130aac3544522 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 18 Sep 2012 11:40:01 +0200
Subject: unit-printf: before resolving exec context specifiers check whether
 the object actually has an exec context

---
 src/core/unit.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/core/unit.c')

diff --git a/src/core/unit.c b/src/core/unit.c
index 4eea5b57ae..1e33936346 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2684,6 +2684,17 @@ int unit_exec_context_defaults(Unit *u, ExecContext *c) {
         return 0;
 }
 
+ExecContext *unit_get_exec_context(Unit *u) {
+        size_t offset;
+        assert(u);
+
+        offset = UNIT_VTABLE(u)->exec_context_offset;
+        if (offset <= 0)
+                return NULL;
+
+        return (ExecContext*) ((uint8_t*) u + offset);
+}
+
 static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
         [UNIT_ACTIVE] = "active",
         [UNIT_RELOADING] = "reloading",
-- 
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