X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=include%2Flttng%2Fabi.h;h=f8af1dd04f8ce09f0cf5d3ffcb0e24dc594bb76e;hb=ff024e6646f0d75935e8eb277cce508c593a23ad;hp=40317e86c5f89e20811434ced24b9aed46aae564;hpb=8c71721f7a868b575b05e24bc3a3dcc967e6d5d6;p=lttng-modules.git

diff --git a/include/lttng/abi.h b/include/lttng/abi.h
index 40317e86..f8af1dd0 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 {
@@ -318,7 +325,7 @@ struct lttng_kernel_abi_filter_bytecode {
 	uint32_t len;
 	uint32_t reloc_offset;
 	uint64_t seqnum;
-	char data[0];
+	char data[];
 } __attribute__((packed));
 
 #define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN		65536
@@ -326,7 +333,7 @@ struct lttng_kernel_abi_capture_bytecode {
 	uint32_t len;
 	uint32_t reloc_offset;
 	uint64_t seqnum;
-	char data[0];
+	char data[];
 } __attribute__((packed));
 
 enum lttng_kernel_abi_tracker_type {