sd-journal: check if the pointers passed are the same

[elogind.git] / src / journal / sd-journal.c

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 15239b5688d8bde6743d80d13f3726b50ff6d77b..779af62b518bff9eb6831a1c64233dcb2b00c01d 100644 (file)
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -415,7 +415,7 @@ _public_ void sd_journal_flush_matches(sd_journal *j) {
 }
 
 static int compare_entry_order(JournalFile *af, Object *_ao,
-                         JournalFile *bf, uint64_t bp) {
+                               JournalFile *bf, uint64_t bp) {
 
         uint64_t a, b;
         Object *ao, *bo;
@@ -498,7 +498,7 @@ static int compare_entry_order(JournalFile *af, Object *_ao,
         return 0;
 }
 
-static int compare_with_location(JournalFile *af, Object *ao, Location *l) {
+_pure_ static int compare_with_location(JournalFile *af, Object *ao, Location *l) {
         uint64_t a;
 
         assert(af);
@@ -2217,6 +2217,8 @@ _public_ int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from,
                 return -EINVAL;
         if (!from && !to)
                 return -EINVAL;
+        if (from == to)
+                return -EINVAL;
 
         HASHMAP_FOREACH(f, j->files, i) {
                 usec_t fr, t;
@@ -2256,6 +2258,8 @@ _public_ int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, sd_id128_t boot
                 return -EINVAL;
         if (!from && !to)
                 return -EINVAL;
+        if (from == to)
+                return -EINVAL;
 
         HASHMAP_FOREACH(f, j->files, i) {
                 usec_t fr, t;