X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.h;h=e6d5ffd703449b27f7ba8627fd8d7c85fc4b3aa7;hb=refs%2Fheads%2Fstable-2.12;hp=51d60e5be8ce13d14f4a520cc53f16440b959e35;hpb=ad594e3a953db1b0c3c059fde45b5a5494f6be78;p=lttng-modules.git

diff --git a/lttng-abi.h b/lttng-abi.h
index 51d60e5b..e6d5ffd7 100644
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -21,6 +21,13 @@
 
 #define LTTNG_KERNEL_SYM_NAME_LEN	256
 #define LTTNG_KERNEL_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_SESSION_CREATION_TIME_ISO8601_LEN	26
 
 enum lttng_kernel_instrumentation {
@@ -231,7 +238,7 @@ struct lttng_kernel_filter_bytecode {
 	uint32_t len;
 	uint32_t reloc_offset;
 	uint64_t seqnum;
-	char data[0];
+	char data[];
 } __attribute__((packed));
 
 enum lttng_kernel_tracker_type {