From 3bd6d7bde3832eb7495b2b49f3737ab992b4273b Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 14 Mar 2022 13:31:24 -0400 Subject: [PATCH] Document expected ISO8601 time formats in ABI header Document the expected ISO8601 time formats in the ABI header to justify the choice of string maximum length. Signed-off-by: Mathieu Desnoyers Change-Id: I4dedde83b5fb81c376245338773ea63677401a09 --- include/lttng/abi.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/lttng/abi.h b/include/lttng/abi.h index 40317e86..02bcefae 100644 --- a/include/lttng/abi.h +++ b/include/lttng/abi.h @@ -22,6 +22,13 @@ #define LTTNG_KERNEL_ABI_SYM_NAME_LEN 256 #define LTTNG_KERNEL_ABI_SESSION_NAME_LEN 256 + +/* + * The expected iso8601 time formats are either: + * + * - YYYYmmddTHHMMSS+HHMM (20 characters + \0) + * - YYYY-mm-ddTHH:MM:SS+HH:MM (25 characters + \0) + */ #define LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN 26 enum lttng_kernel_abi_instrumentation { -- 2.34.1