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 41873dd9a87b07e6d51c9836e026085a3e118e3b..fac4983ee095b9f2ad8f7b9f48eb7a1b5d7d9eef 100644 (file)
--- 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)