From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Thu, 25 Feb 2021 09:16:03 +0000 (+0100)
Subject: commands: add lxc_cmd_init() and lxc_cmd_data()
X-Git-Tag: lxc-5.0.0~267^2~34
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58a8d1f07de30ddbd79ca6405a70c3f930e1c56e;p=thirdparty%2Flxc.git

commands: add lxc_cmd_init() and lxc_cmd_data()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/commands.h b/src/lxc/commands.h
index d65d5ee69..2bcca011a 100644
--- a/src/lxc/commands.h
+++ b/src/lxc/commands.h
@@ -3,6 +3,7 @@
 #ifndef __LXC_COMMANDS_H
 #define __LXC_COMMANDS_H
 
+#include <errno.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <unistd.h>
@@ -56,6 +57,8 @@ struct lxc_cmd_req {
 	const void *data;
 };
 
+#define ENCODE_INTO_PTR_LEN 0
+
 struct lxc_cmd_rsp {
 	int ret; /* 0 on success, -errno on failure */
 	int datalen;
@@ -67,6 +70,20 @@ struct lxc_cmd_rr {
 	struct lxc_cmd_rsp rsp;
 };
 
+static inline void lxc_cmd_init(struct lxc_cmd_rr *cmd, lxc_cmd_t command)
+{
+	*cmd = (struct lxc_cmd_rr){
+		.req = {.cmd = command },
+		.rsp = {.ret = -ENOSYS },
+	};
+}
+
+static inline void lxc_cmd_data(struct lxc_cmd_rr *cmd, int len_data, const void *data)
+{
+	cmd->req.data = data;
+	cmd->req.datalen = len_data;
+}
+
 struct lxc_cmd_tty_rsp_data {
 	int ptxfd;
 	int ttynum;