X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fsd-journal.c;h=ac57f4f6f8942f28d6ff9469f6d132e97487da16;hb=bf3d3e2bb7ae2d3854be57f28dd1403c8f7e4c3c;hp=693707cb347a817da8f2a416e29ba5dfe6d30aa2;hpb=0f99f74a14ef193c1ebde687c5cc76e1d67b85ef;p=elogind.git

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 693707cb3..ac57f4f6f 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -70,7 +70,7 @@ static int set_put_error(sd_journal *j, int r) {
         if (r >= 0)
                 return r;
 
-        k = set_ensure_allocated(&j->errors, trivial_hash_func, trivial_compare_func);
+        k = set_ensure_allocated(&j->errors, NULL);
         if (k < 0)
                 return k;
 
@@ -849,10 +849,8 @@ static int next_beyond_location(sd_journal *j, JournalFile *f, direction_t direc
                         int k;
 
                         k = compare_with_location(f, c, &j->current_location);
-                        if (direction == DIRECTION_DOWN)
-                                found = k > 0;
-                        else
-                                found = k < 0;
+
+                        found = direction == DIRECTION_DOWN ? k > 0 : k < 0;
                 } else
                         found = true;
 
@@ -1375,8 +1373,11 @@ static void remove_file_real(sd_journal *j, JournalFile *f) {
         }
 
         if (j->unique_file == f) {
-                j->unique_file = NULL;
+                /* Jump to the next unique_file or NULL if that one was last */
+                j->unique_file = hashmap_next(j->files, j->unique_file->path);
                 j->unique_offset = 0;
+                if (!j->unique_file)
+                        j->unique_file_lost = true;
         }
 
         journal_file_close(f);
@@ -1662,7 +1663,7 @@ static int allocate_inotify(sd_journal *j) {
         }
 
         if (!j->directories_by_wd) {
-                j->directories_by_wd = hashmap_new(trivial_hash_func, trivial_compare_func);
+                j->directories_by_wd = hashmap_new(NULL);
                 if (!j->directories_by_wd)
                         return -ENOMEM;
         }
@@ -1688,8 +1689,8 @@ static sd_journal *journal_new(int flags, const char *path) {
                         goto fail;
         }
 
-        j->files = hashmap_new(string_hash_func, string_compare_func);
-        j->directories_by_path = hashmap_new(string_hash_func, string_compare_func);
+        j->files = hashmap_new(&string_hash_ops);
+        j->directories_by_path = hashmap_new(&string_hash_ops);
         j->mmap = mmap_cache_new();
         if (!j->files || !j->directories_by_path || !j->mmap)
                 goto fail;
@@ -1734,7 +1735,7 @@ _public_ int sd_journal_open_container(sd_journal **ret, const char *machine, in
         assert_return(machine, -EINVAL);
         assert_return(ret, -EINVAL);
         assert_return((flags & ~(SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM)) == 0, -EINVAL);
-        assert_return(filename_is_safe(machine), -EINVAL);
+        assert_return(machine_name_is_valid(machine), -EINVAL);
 
         p = strappenda("/run/systemd/machines/", machine);
         r = parse_env_file(p, NEWLINE, "ROOT", &root, "CLASS", &class, NULL);
@@ -2490,6 +2491,7 @@ _public_ int sd_journal_query_unique(sd_journal *j, const char *field) {
         j->unique_field = f;
         j->unique_file = NULL;
         j->unique_offset = 0;
+        j->unique_file_lost = false;
 
         return 0;
 }
@@ -2506,9 +2508,13 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
         k = strlen(j->unique_field);
 
         if (!j->unique_file) {
+                if (j->unique_file_lost)
+                        return 0;
+
                 j->unique_file = hashmap_first(j->files);
                 if (!j->unique_file)
                         return 0;
+
                 j->unique_offset = 0;
         }
 
@@ -2520,6 +2526,7 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
                 size_t ol;
                 bool found;
                 int r;
+                void *release_cookie;
 
                 /* Proceed to next data object in the field's linked list */
                 if (j->unique_offset == 0) {
@@ -2538,13 +2545,10 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
 
                 /* We reached the end of the list? Then start again, with the next file */
                 if (j->unique_offset == 0) {
-                        JournalFile *n;
-
-                        n = hashmap_next(j->files, j->unique_file->path);
-                        if (!n)
+                        j->unique_file = hashmap_next(j->files, j->unique_file->path);
+                        if (!j->unique_file)
                                 return 0;
 
-                        j->unique_file = n;
                         continue;
                 }
 
@@ -2563,7 +2567,7 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
                         return -EBADMSG;
                 }
 
-                r = journal_file_object_keep(j->unique_file, o, j->unique_offset);
+                r = journal_file_object_keep(j->unique_file, o, j->unique_offset, &release_cookie);
                 if (r < 0)
                         return r;
 
@@ -2611,13 +2615,13 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
                                 found = true;
                 }
 
-                if (found)
-                        continue;
-
-                r = journal_file_object_release(j->unique_file, o, j->unique_offset);
+                r = journal_file_object_release(j->unique_file, release_cookie);
                 if (r < 0)
                         return r;
 
+                if (found)
+                        continue;
+
                 r = return_data(j, j->unique_file, o, data, l);
                 if (r < 0)
                         return r;
@@ -2632,6 +2636,7 @@ _public_ void sd_journal_restart_unique(sd_journal *j) {
 
         j->unique_file = NULL;
         j->unique_offset = 0;
+        j->unique_file_lost = false;
 }
 
 _public_ int sd_journal_reliable_fd(sd_journal *j) {