journal: have a named enum ObjectType

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

diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
index 01b7f89fef58b8d36d7c9ebf2fa68a0be5f42912..1d73be1a2a9db8a935e79f335fda9d38e2cdb184 100644 (file)
--- a/src/journal/journal-file.c
+++ b/src/journal/journal-file.c
@@ -374,6 +374,11 @@ static int journal_file_allocate(JournalFile *f, uint64_t offset, uint64_t size)
         return 0;
 }
 
+static unsigned type_to_context(ObjectType type) {
+        /* One context for each type, plus one catch-all for the rest */
+        return type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX ? type : 0;
+}
+
 static int journal_file_move_to(JournalFile *f, int context, bool keep_always, uint64_t offset, uint64_t size, void **ret) {
         assert(f);
         assert(ret);
@@ -391,7 +396,7 @@ static int journal_file_move_to(JournalFile *f, int context, bool keep_always, u
                         return -EADDRNOTAVAIL;
         }
 
-        return mmap_cache_get(f->mmap, f->fd, f->prot, context, keep_always, offset, size, &f->last_stat, ret, NULL);
+        return mmap_cache_get(f->mmap, f->fd, f->prot, context, keep_always, offset, size, &f->last_stat, ret);
 }
 
 static uint64_t minimum_header_size(Object *o) {
@@ -412,7 +417,7 @@ static uint64_t minimum_header_size(Object *o) {
         return table[o->object.type];
 }
 
-int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Object **ret) {
+int journal_file_move_to_object(JournalFile *f, ObjectType type, uint64_t offset, Object **ret) {
         int r;
         void *t;
         Object *o;
@@ -441,7 +446,7 @@ int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Objec
         if (s < minimum_header_size(o))
                 return -EBADMSG;
 
-        if (type > 0 && o->object.type != type)
+        if (type > OBJECT_UNUSED && o->object.type != type)
                 return -EBADMSG;
 
         if (s > sizeof(ObjectHeader)) {
@@ -482,14 +487,14 @@ static uint64_t journal_file_entry_seqnum(JournalFile *f, uint64_t *seqnum) {
         return r;
 }
 
-int journal_file_append_object(JournalFile *f, int type, uint64_t size, Object **ret, uint64_t *offset) {
+int journal_file_append_object(JournalFile *f, ObjectType type, uint64_t size, Object **ret, uint64_t *offset) {
         int r;
         uint64_t p;
         Object *tail, *o;
         void *t;
 
         assert(f);
-        assert(type > 0 && type < _OBJECT_TYPE_MAX);
+        assert(type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX);
         assert(size >= sizeof(ObjectHeader));
         assert(offset);
         assert(ret);
@@ -502,7 +507,7 @@ int journal_file_append_object(JournalFile *f, int type, uint64_t size, Object *
         if (p == 0)
                 p = le64toh(f->header->header_size);
         else {
-                r = journal_file_move_to_object(f, -1, p, &tail);
+                r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &tail);
                 if (r < 0)
                         return r;
 
@@ -2289,7 +2294,7 @@ void journal_file_dump(JournalFile *f) {
 
         p = le64toh(f->header->header_size);
         while (p != 0) {
-                r = journal_file_move_to_object(f, -1, p, &o);
+                r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o);
                 if (r < 0)
                         goto fail;