Merge pull request #490 from thomasfangyi/use-memmove-instead-of-memcpy

Patater · web-flow · commit 2a3d08fa77c5 · 2017-08-17T08:28:10.000+01:00
ipc: Use memmove instead of memcpy
diff --git a/core/system/src/ipc.c b/core/system/src/ipc.c
@@ -142,7 +142,7 @@ static int ipc_deliver(uvisor_ipc_t * send_ipc, uvisor_ipc_t * recv_ipc,
     }
 
     size_t len = send_desc->len;
-    memcpy(recv_io->msg, send_io->msg, len);
+    memmove(recv_io->msg, send_io->msg, len);
     send_ipc->completed_tokens |= send_desc->token;
 
     recv_desc->box_id = send_box_id;

Original file line number	Diff line number	Diff line change
`@@ -142,7 +142,7 @@ static int ipc_deliver(uvisor_ipc_t * send_ipc, uvisor_ipc_t * recv_ipc,`
`142`	`142`	`}`
`143`	`143`
`144`	`144`	`size_t len = send_desc->len;`
`145`		`- memcpy(recv_io->msg, send_io->msg, len);`
	`145`	`+ memmove(recv_io->msg, send_io->msg, len);`
`146`	`146`	`send_ipc->completed_tokens \|= send_desc->token;`
`147`	`147`
`148`	`148`	`recv_desc->box_id = send_box_id;`