X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsystemd%2Fsd-id128.h;h=fa17be84347815de3e15079400b9f4ecaec1b184;hb=1ca6783f5ea3755bd83e723f529c2eda512c7fed;hp=af2841eb776675d8472eb12ca3a34c32825c9a9a;hpb=f9873976499de5c90c703e04a3bee96848fc90c8;p=elogind.git

diff --git a/src/systemd/sd-id128.h b/src/systemd/sd-id128.h
index af2841eb7..fa17be843 100644
--- a/src/systemd/sd-id128.h
+++ b/src/systemd/sd-id128.h
@@ -9,27 +9,28 @@
   Copyright 2011 Lennart Poettering
 
   systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.
 
   systemd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 #include <inttypes.h>
-#include <stdbool.h>
 #include <string.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/* 128 Bit ID APIs. See sd-id128(3) for more information. */
+
 typedef union sd_id128 sd_id128_t;
 
 union sd_id128 {
@@ -55,13 +56,17 @@ int sd_id128_get_boot(sd_id128_t *ret);
  * times. It is hence not a good idea to call this macro with an
  * expensive function as paramater or an expression with side
  * effects */
+
 #define SD_ID128_FORMAT_STR "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
 #define SD_ID128_FORMAT_VAL(x) (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
 
-static inline bool sd_id128_equal(sd_id128_t a, sd_id128_t b) {
+static inline int sd_id128_equal(sd_id128_t a, sd_id128_t b) {
         return memcmp(&a, &b, 16) == 0;
 }
 
+#define SD_ID128_NULL ((sd_id128_t) { .qwords = { 0, 0 }})
+#define MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x)
+
 #ifdef __cplusplus
 }
 #endif