From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Thu, 11 Feb 2021 13:41:02 +0000 (+0100)
Subject: macro: add LXC_PROC_SELF_FD_LEN
X-Git-Tag: lxc-5.0.0~291^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a233eab3d294df2af0608923941dc8cbae635b6;p=thirdparty%2Flxc.git

macro: add LXC_PROC_SELF_FD_LEN

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

diff --git a/src/lxc/macro.h b/src/lxc/macro.h
index 41873dd9a..fac4983ee 100644
--- a/src/lxc/macro.h
+++ b/src/lxc/macro.h
@@ -309,6 +309,14 @@
 #define LXC_PROC_PID_FD_LEN \
 	(6 + INTTYPE_TO_STRLEN(pid_t) + 4 + INTTYPE_TO_STRLEN(int) + 1)
 
+/* /proc/self/fd/ =    14
+ *                   +
+ * <fd-as-str>    =    INTTYPE_TO_STRLEN(int)
+ *                   +
+ * \0           =      1
+ */
+#define LXC_PROC_SELF_FD_LEN (14 + INTTYPE_TO_STRLEN(int) + 1)
+
 /* /proc/        = 6
  *               +
  * <pid-as-str>  = INTTYPE_TO_STRLEN(pid_t)