sd-id128: make size constraints a bit more obvious

diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c
index 46f2181..eb539ad 100644 (file)
--- a/src/libsystemd/sd-id128/sd-id128.c
+++ b/src/libsystemd/sd-id128/sd-id128.c
@@ -28,7 +28,7 @@
 #include "sd-id128.h"
 #include "random-util.h"
 
-_public_ char *sd_id128_to_string(sd_id128_t id, char s[33]) {
+_public_ char *sd_id128_to_string(sd_id128_t id, char s[SD_ID128_STRING_MAX]) {
         unsigned n;
 
         assert_return(s, NULL);