journal: don't export MESSAGE_ID() macro

[elogind.git] / src / systemd / sd-id128.h

diff --git a/src/systemd/sd-id128.h b/src/systemd/sd-id128.h
index 27fa479427be610f10c95df50832d56a7541c6ed..05521ae4bbed646e1cf9a13a2051dce268545fb8 100644 (file)
--- a/src/systemd/sd-id128.h
+++ b/src/systemd/sd-id128.h
@@ -56,6 +56,7 @@ 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]
 
@@ -63,6 +64,8 @@ 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 }})
+
 #ifdef __cplusplus
 }
 #endif