From a9938b179203a4d5c54eae6c814bfa8766f4fde0 Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Tue, 30 Mar 2021 16:03:33 +0200
Subject: [PATCH] Resources: added mb_move() to complement rmove() for memory
 blocks

---
 lib/resource.c | 15 +++++++++++++++
 lib/resource.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/lib/resource.c b/lib/resource.c
index 5589373e..4c4b92ec 100644
--- a/lib/resource.c
+++ b/lib/resource.c
@@ -393,6 +393,21 @@ mb_realloc(void *m, unsigned size)
   return b->data;
 }
 
+/**
+ * mb_move - move a memory block
+ * @m: memory block
+ * @p: target pool
+ *
+ * mb_move() moves the given memory block to another pool in the same way
+ * as rmove() moves a plain resource.
+ */
+void
+mb_move(void *m, pool *p)
+{
+  struct mblock *b = SKIP_BACK(struct mblock, data, m);
+  rmove(b, p);
+}
+
 
 /**
  * mb_free - free a memory block
diff --git a/lib/resource.h b/lib/resource.h
index 48e62985..e65455c8 100644
--- a/lib/resource.h
+++ b/lib/resource.h
@@ -53,6 +53,7 @@ extern pool root_pool;
 void *mb_alloc(pool *, unsigned size);
 void *mb_allocz(pool *, unsigned size);
 void *mb_realloc(void *m, unsigned size);
+void mb_move(void *, pool *);
 void mb_free(void *);
 
 /* Memory pools with linear allocation */