journal: expand variables up to PATH_MAX in size in catalog output

It makes sense to be able to output every officially valid path, hence
bump the variable size limit in catalog entries to 4K (i.e. PATH_MAX).

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 9b6c425285e3825ff5c20f1a4a7be458ff375168..80cd80f3568969fbc16042274b1202cccce63df3 100644 (file)
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -45,7 +45,9 @@
 
 #define JOURNAL_FILES_RECHECK_USEC (2 * USEC_PER_SEC)
 
-#define REPLACE_VAR_MAX 256
+/* The maximum size of variable values we'll expand in catalog entries. We bind this to PATH_MAX for now, as
+ * we want to be able to show all officially valid paths at least */
+#define REPLACE_VAR_MAX PATH_MAX
 
 #define DEFAULT_DATA_THRESHOLD (64*1024)