Increase LTTNG_HOST_NAME_MAX from 64 to 255

[lttng-tools.git] / include / lttng / constant.h

diff --git a/include/lttng/constant.h b/include/lttng/constant.h
index 10f1bf694503fc5e42d9a20632fb5c5c9c2fdce7..1235c346f5432865d18fe4c134cf4dfdd10e1b92 100644 (file)
--- a/include/lttng/constant.h
+++ b/include/lttng/constant.h
@@ -54,4 +54,17 @@
 #define LTTNG_MAX_PID                          INT32_MAX
 #define LTTNG_MAX_PID_STR                      "2147483647"
 
+#define LTTNG_NAME_MAX                         255
+
+/*
+ * 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
+
 #endif /* LTTNG_CONSTANT_H */