X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fconstant.h;h=1235c346f5432865d18fe4c134cf4dfdd10e1b92;hb=3647288fe42b25340f905046f3bd9aef21e12aaa;hp=00074a2e43ec2ba68c0652f2991ab9b74fd39bf8;hpb=ba86d0a7f267c4a00c2e8d38ae569b7c32c415ed;p=lttng-tools.git

diff --git a/include/lttng/constant.h b/include/lttng/constant.h
index 00074a2e4..1235c346f 100644
--- a/include/lttng/constant.h
+++ b/include/lttng/constant.h
@@ -56,7 +56,14 @@
 
 #define LTTNG_NAME_MAX				255
 
-#define LTTNG_HOST_NAME_MAX			64
+/*
+ * POSIX guarantees that a host name will not exceed 255 characters.
+ * Moreover, RFC 1035 limits the length of a fully qualified domain name (FQDN)
+ * to 255 characters.
+ *
+ * 256 is used to include a trailing NULL character.
+ */
+#define LTTNG_HOST_NAME_MAX			256
 
 #define LTTNG_PATH_MAX				4096