unit-printf: before resolving exec context specifiers check whether the object actual...

[elogind.git] / src / core / unit.c

diff --git a/src/core/unit.c b/src/core/unit.c
index 4eea5b57ae49107dcba461397460e38582d96677..1e33936346573bcb866513cd54dc8cdc471ded4f 100644 (file)
--- 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;
 }
 
         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",
 static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
         [UNIT_ACTIVE] = "active",
         [UNIT_RELOADING] = "reloading",